20920431840

Names of 20920431840

• Cardinal: 20920431840 can be written as Twenty billion, nine hundred twenty million, four hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.092043184 × 10¹⁰

Factors of 20920431840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 78

Divisors of 20920431840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 19 20 21 22 24 28 30 31 32 33 35 38 40 42 44 48 55 56 57 60 62 66 70 76 77 80 84 88 93 95 96 105 110 112 114 120 124 132 133 140 152 154 155 160 165 168 176 186 190 209 210 217 220 224 228 231 240 248 264 266 280 285 304 308 310 330 336 341 352 372 380 385 399 418 420 434 440 456 462 465 480 496 528 532 560 570 589 608 616 620 627 651 660 665 672 682 744 760 770 798 836 840 868 880 912 924 930 961 992 1023 1045 1056 1064 1085 1120 1140 1155 1178 1232 1240 1254 1302 1320 1330 1364 1463 1488 1520 1540 1596 1672 1680 1705 1736 1760 1767 1824 1848 1860 1922 1995 2046 2090 2128 2170 2280 2310 2356 2387 2464 2480 2508 2604 2640 2660 2728 2883 2926 2945 2976 3040 3080 3135 3192 3255 3344 3360 3410 3472 3534 3696 3720 3844 3990 4092 4123 4180 4256 4340 4389 4560 4620 4712 4774 4805 4960 5016 5115 5208 5280 5320 5456 5766 5852 5890 6160 6270 6384 6479 6510 6688 6727 6820 6944 7068 7161 7315 7392 7440 7688 7980 8184 8246 8360 8680 8778 8835 9120 9240 9424 9548 9610 10032 10230 10416 10571 10640 10912 11532 11704 11780 11935 12320 12369 12540 12768 12958 13020 13454 13640 14136 14322 14415 14630 14880 15376 15960 16368 16492 16720 17360 17556 17670 18259 18480 18848 19096 19220 19437 20064 20181 20460 20615 20832 21142 21280 21945 23064 23408 23560 23870 24738 25080 25916 26040 26908 27280 28272 28644 28830 29260 29791 30752 31713 31920 32395 32736 32984 33440 33635 34720 35112 35340 35805 36518 36960 38192 38440 38874 40362 40920 41230 42284 43890 45353 46128 46816 47120 47740 49476 50160 51832 52080 52855 53816 54560 54777 56544 57288 57660 58520 59582 61845 63426 63840 64790 65968 67270 70224 70680 71610 73036 73997 76384 76880 77748 80724 81840 82460 84568 87780 89373 90706 91295 92256 94240 95480 97185 98952 100320 100905 103664 104160 105710 107632 109554 114576 115320 117040 119164 123690 126852 127813 129580 131936 134540 136059 140448 141360 143220 146072 147994 148955 153760 155496 158565 161448 163680 164920 169136 175560 178746 181412 182590 190960 194370 197904 200849 201810 207328 208537 211420 215264 219108 221991 226765 229152 230640 234080 238328 247380 253704 255626 259160 269080 272118 273885 282720 286440 292144 295988 297910 310992 317130 322896 327701 329840 338272 351120 357492 362824 365180 369985 381920 383439 388740 395808 401698 403620 417074 422840 438216 443982 446865 453530 461280 476656 494760 507408 511252 518320 538160 544236 547770 566029 572880 584288 591976 595820 602547 621984 625611 634260 639065 645792 655402 659680 680295 702240 714984 725648 730360 739970 766878 777480 803396 807240 834148 845680 876432 887964 893730 907060 953312 983103 989520 1004245 1014816 1022504 1036640 1042685 1076320 1088472 1095540 1109955 1132058 1145760 1183952 1191640 1205094 1251222 1268520 1278130 1310804 1360590 1405943 1429968 1451296 1460720 1479940 1533756 1554960 1606792 1614480 1638505 1668296 1691360 1698087 1752864 1775928 1787460 1814120 1917195 1966206 1979040 2008490 2045008 2085370 2176944 2191080 2219910 2264116 2293907 2367904 2383280 2410188 2502444 2537040 2556260 2621608 2721180 2811886 2830145 2859936 2921440 2959880 3012735 3067512 3109920 3128055 3213584 3228960 3277010 3336592 3396174 3551856 3574920 3628240 3834390 3932412 3962203 4016980 4090016 4170740 4217829 4353888 4382160 4439820 4528232 4587814 4766560 4820376 4915515 5004888 5074080 5112520 5243216 5442360 5623772 5660290 5919760 6025470 6135024 6226319 6256110 6427168 6554020 6673184 6792348 6881721 7029715 7103712 7149840 7256480 7668780 7864824 7924406 8033960 8341480 8435658 8490435 8764320 8879640 9056464 9175628 9640752 9831030 10009776 10225040 10486432 10884720 11247544 11320580 11469535 11839520 11886609 12050940 12270048 12452638 12512220 13108040 13584696 13763442 14059430 14299680 15337560 15729648 15848812 16067920 16682960 16871316 16980870 17759280 18112928 18351256 18678957 19281504 19662060 19811015 20019552 20450080 21089145 21769440 22495088 22641160 22939070 23773218 24101880 24905276 25024440 26216080 27169392 27526884 28118860 30675120 31131595 31459296 31697624 32135840 33365920 33742632 33961740 34408605 35518560 36702512 37357914 39324120 39622030 42178290 43584233 44990176 45282320 45878140 47546436 48203760 49810552 50048880 52432160 54338784 55053768 56237720 59433045 61350240 62263190 63395248 67485264 67923480 68817210 73405024 74715828 78648240 79244060 84356580 87168466 90564640 91756280 93394785 95092872 96407520 99621104 100097760 110107536 112475440 118866090 124526380 126790496 130752699 134970528 135846960 137634420 149431656 157296480 158488120 168713160 174336932 183512560 186789570 190185744 199242208 217921165 220215072 224950880 237732180 249052760 261505398 271693920 275268840 298863312 316976240 337426320 348673864 367025120 373579140 380371488 435842330 475464360 498105520 523010796 550537680 597726624 633952480 653763495 674852640 697347728 747158280 871684660 950928720 996211040 1046021592 1101075360 1307526990 1394695456 1494316560 1743369320 1901857440 2092043184 2615053980 2988633120 3486738640 4184086368 5230107960 6973477280 10460215920 20920431840
• Sum of all divisors σ(n): 89367183360
• Sum of proper divisors (its aliquot sum) s(n): 68446751520
• 20920431840 is an abundant number, because the sum of its proper divisors (68446751520) is greater than itself. Its abundance is 47526319680

Bases of 20920431840

• Binary: 10011011110111101000111010011100000₂
• Hexadecimal: 0x4DEF474E0
• Base-36: 9LZHGIO

Squares and roots of 20920431840

• 20920431840 squared (20920431840²) is 437664468372085785600
• 20920431840 cubed (20920431840³) is 9156129679368056436277653504000
• The square root of 20920431840 is 144638.9706821781
• The cube root of 20920431840 is 2755.4352817875

Scales and comparisons

• 20,920,431,840 seconds is equal to 665 years, 10 weeks, 4 days, 15 hours, 4 minutes.
• To count from 1 to 20,920,431,840 would take you about one thousand, three hundred thirty 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 20920431840 cubic inches would be around 229.6 feet tall.

Recreational maths with 20920431840

• 20920431840 backwards is 04813402902
• 20920431840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20920431840's digits is 33
• More coming soon!