38428998720

Names of 38428998720

• Cardinal: 38428998720 can be written as Thirty-eight billion, four hundred twenty-eight million, nine hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.842899872 × 10¹⁰

Factors of 38428998720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 140

Divisors of 38428998720

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 31 32 35 38 40 42 48 49 56 57 60 62 64 70 73 76 80 84 93 95 96 98 105 112 114 120 124 133 140 146 147 152 155 160 168 186 190 192 196 210 217 219 224 228 240 245 248 266 280 285 292 294 304 310 320 336 361 365 372 380 392 399 420 434 438 448 456 465 480 490 496 511 532 560 570 584 588 589 608 620 651 665 672 722 730 735 744 760 784 798 840 868 876 912 930 931 960 980 992 1022 1064 1083 1085 1095 1120 1140 1168 1176 1178 1216 1240 1302 1330 1344 1387 1444 1460 1470 1488 1519 1520 1533 1568 1596 1680 1736 1752 1767 1805 1824 1860 1862 1960 1984 1995 2044 2128 2166 2170 2190 2240 2263 2280 2336 2352 2356 2480 2527 2555 2604 2660 2774 2793 2888 2920 2940 2945 2976 3038 3040 3066 3136 3192 3255 3360 3472 3504 3534 3577 3610 3648 3720 3724 3920 3990 4088 4123 4161 4256 4332 4340 4380 4526 4557 4560 4655 4672 4704 4712 4960 5054 5110 5208 5320 5415 5548 5586 5776 5840 5880 5890 5952 6076 6080 6132 6384 6510 6720 6789 6935 6944 7008 7068 7154 7220 7440 7448 7581 7595 7665 7840 7980 8176 8246 8322 8512 8664 8680 8760 8835 9052 9114 9120 9310 9408 9424 9709 9920 10108 10220 10416 10640 10731 10830 11096 11172 11191 11315 11552 11680 11760 11780 12152 12264 12369 12635 12768 13020 13578 13870 13888 13965 14016 14136 14308 14440 14880 14896 15162 15190 15330 15680 15841 15960 16352 16492 16644 17328 17360 17520 17670 17689 17885 18104 18228 18240 18620 18848 19418 20216 20440 20615 20805 20832 21280 21462 21660 22192 22344 22382 22630 22785 23104 23360 23520 23560 24304 24528 24738 25270 25536 26040 26353 27156 27740 27930 28272 28616 28861 28880 29127 29760 29792 30324 30380 30660 31682 31920 32704 32984 33288 33573 33945 34656 34720 35040 35340 35378 35770 36208 36456 37240 37696 37905 38836 40432 40880 41230 41610 41664 42560 42924 42997 43320 44384 44688 44764 45260 45570 47040 47120 47523 48545 48608 49056 49476 50540 52080 52706 53067 53655 54312 55480 55860 55955 56544 57232 57722 57760 58254 59584 60648 60760 61320 61845 63364 63840 65968 66576 67146 67890 67963 69312 69440 70080 70680 70756 71540 72416 72912 74480 75810 77672 78337 79059 79205 80864 81760 82460 83220 85848 85994 86583 86640 88445 88768 89376 89528 90520 91140 94240 95046 97090 97216 98112 98952 101080 104160 105412 106134 107310 108624 110887 110960 111720 111910 113088 114464 115444 115520 116508 121296 121520 122640 123690 126728 127680 128991 131765 131936 133152 134292 135780 135926 141360 141512 143080 144305 144832 145635 145824 148960 151620 155344 156674 158118 158410 161728 163520 164920 166440 167865 171696 171988 173166 173280 176890 178752 179056 181040 182280 184471 188480 190092 194180 197904 202160 203889 208320 210824 212268 214620 214985 217248 221774 221920 223440 223820 228928 230888 233016 235011 237615 242592 243040 245280 247380 253456 257982 263530 263872 265335 266304 268584 271560 271852 282720 283024 286160 288610 291270 291648 297920 300979 303240 310688 313348 316236 316820 329840 332661 332880 335730 339815 343392 343976 346332 346560 353780 358112 362080 364560 368942 380184 388360 391685 395295 395808 404320 407778 421648 424536 429240 429970 432915 434496 443548 443840 446880 447640 461776 466032 470022 475230 485184 486080 490560 494760 506912 515964 527060 530670 537168 543120 543704 548359 553413 554435 565440 566048 572320 577220 582540 601958 606480 621376 626696 632472 633640 644955 659680 665322 665760 671460 679630 686784 687952 692664 707560 716224 724160 729120 737884 760368 776720 783370 790590 791616 808640 815556 816943 843296 849072 858480 859940 865830 887096 893760 895280 902937 922355 923552 932064 940044 950460 989520 1013824 1019445 1031928 1054120 1061340 1074336 1086240 1087408 1096718 1106826 1108870 1132096 1144640 1154440 1165080 1175055 1203916 1212960 1253392 1264944 1267280 1289910 1291297 1319360 1330644 1331520 1342920 1359260 1375904 1385328 1415120 1458240 1475768 1504895 1520736 1553440 1566740 1581180 1631112 1633886 1645077 1663305 1686592 1698144 1716960 1719880 1731660 1774192 1790560 1805874 1844710 1847104 1864128 1880088 1900920 1979040 2038890 2063856 2106853 2108240 2122680 2148672 2172480 2174816 2193436 2213652 2217740 2308880 2330160 2350110 2407832 2425920 2450829 2506784 2529888 2534560 2579820 2582594 2661288 2685840 2718520 2741795 2751808 2767065 2770656 2830240 2951536 3009790 3041472 3106880 3133480 3162360 3262224 3267772 3290154 3326610 3396288 3433920 3439760 3463320 3548384 3581120 3611748 3689420 3760176 3801840 3873891 3958080 4077780 4084715 4127712 4213706 4216480 4245360 4349632 4386872 4427304 4435480 4514685 4617760 4660320 4700220 4815664 4901658 5013568 5059776 5069120 5159640 5165188 5322576 5371680 5437040 5483590 5534130 5541312 5660480 5718601 5903072 6019580 6266960 6320559 6324720 6456485 6524448 6535544 6580308 6653220 6879520 6926640 7096768 7223496 7378840 7520352 7603680 7747782 8155560 8169430 8225385 8255424 8427412 8432960 8490720 8773744 8854608 8870960 9029370 9235520 9320640 9400440 9631328 9803316 10319280 10330376 10534265 10645152 10743360 10874080 10967180 11068260 11437202 11806144 12039160 12254145 12533920 12641118 12649440 12912970 13048896 13071088 13160616 13306440 13759040 13853280 14446992 14757680 15040704 15207360 15495564 16311120 16338860 16450770 16854824 16981440 17155803 17547488 17709216 17741920 18058740 18800880 19262656 19369455 19606632 20638560 20660752 21068530 21290304 21748160 21934360 22136520 22874404 24078320 24508290 25067840 25282236 25298880 25825940 26142176 26321232 26612880 27706560 28593005 28893984 29515360 30991128 31602795 32622240 32677720 32901540 33709648 34311606 35094976 35418432 35483840 36117480 37601760 38738910 39213264 40030207 41277120 41321504 42137060 43868720 44273040 45748808 48156640 49016580 50564472 51651880 52284352 52642464 53225760 57186010 57787968 59030720 61982256 63205590 65244480 65355440 65803080 67419296 68623212 72234960 75203520 77477820 78426528 80060414 82643008 84274120 85779015 87737440 88546080 91497616 96313280 98033160 101128944 103303760 105284928 106451520 114372020 120090621 123964512 126411180 130710880 131606160 134838592 137246424 144469920 154955640 156853056 160120828 168548240 171558030 175474880 177092160 182995232 196066320 200151035 202257888 206607520 228744040 240181242 247929024 252822360 261421760 263212320 274492848 288939840 309911280 320241656 337096480 343116060 365990464 392132640 400302070 404515776 413215040 457488080 480362484 505644720 526424640 548985696 600453105 619822560 640483312 674192960 686232120 784265280 800604140 914976160 960724968 1011289440 1097971392 1200906210 1239645120 1280966624 1372464240 1601208280 1829952320 1921449936 2022578880 2401812420 2561933248 2744928480 3202416560 3842899872 4803624840 5489856960 6404833120 7685799744 9607249680 12809666240 19214499360 38428998720
• Sum of all divisors σ(n): 156746009088
• Sum of proper divisors (its aliquot sum) s(n): 118317010368
• 38428998720 is an abundant number, because the sum of its proper divisors (118317010368) is greater than itself. Its abundance is 79888011648

Bases of 38428998720

• Binary: 100011110010100010111111110001000000₂
• Hexadecimal: 0x8F28BFC40
• Base-36: HNJMT6O

Squares and roots of 38428998720

• 38428998720 squared (38428998720²) is 1476787942621761638400
• 38428998720 cubed (38428998720³) is 56751481956723111446218702848000
• The square root of 38428998720 is 196033.1571954091
• The cube root of 38428998720 is 3374.5796998693

Scales and comparisons

• 38,428,998,720 seconds is equal to 1,221 years, 48 weeks, 1 hour, 52 minutes.
• To count from 1 to 38,428,998,720 would take you about two thousand, four hundred forty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 38428998720 cubic inches would be around 281.2 feet tall.

Recreational maths with 38428998720

• 38428998720 backwards is 02789982483
• 38428998720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38428998720's digits is 60
• More coming soon!