19728023040

Names of 19728023040

• Cardinal: 19728023040 can be written as Nineteen billion, seven hundred twenty-eight million, twenty-three thousand and forty.

Scientific notation

• Scientific notation: 1.972802304 × 10¹⁰

Factors of 19728023040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 52

Divisors of 19728023040

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 31 32 33 36 40 44 45 48 54 55 60 62 64 66 72 80 81 88 90 93 96 99 108 110 120 124 128 132 135 144 155 160 162 165 176 180 186 192 198 216 220 240 243 248 256 264 270 279 288 297 310 320 324 330 341 352 360 372 384 396 405 432 440 465 480 486 495 496 512 528 540 558 576 594 620 640 648 660 682 704 720 729 744 768 792 810 837 864 880 891 930 960 961 972 990 992 1023 1056 1080 1116 1152 1188 1215 1240 1280 1296 1320 1364 1395 1408 1440 1458 1485 1488 1536 1584 1620 1674 1705 1728 1760 1782 1860 1920 1922 1944 1980 1984 2046 2112 2160 2232 2304 2376 2430 2480 2511 2560 2592 2640 2673 2728 2790 2816 2880 2883 2916 2970 2976 3069 3168 3240 3348 3410 3456 3520 3564 3645 3720 3840 3844 3888 3960 3968 4092 4185 4224 4320 4455 4464 4608 4752 4805 4860 4960 5022 5115 5184 5280 5346 5456 5580 5632 5760 5766 5832 5940 5952 6138 6336 6480 6696 6820 6912 7040 7128 7290 7440 7533 7680 7688 7776 7920 7936 8019 8184 8370 8448 8640 8649 8910 8928 9207 9504 9610 9720 9920 10044 10230 10368 10560 10571 10692 10912 11160 11520 11532 11664 11880 11904 12276 12555 12672 12960 13365 13392 13640 13824 14080 14256 14415 14580 14880 15066 15345 15376 15552 15840 15872 16038 16368 16740 16896 17280 17298 17820 17856 18414 19008 19220 19440 19840 20088 20460 20736 21120 21142 21384 21824 22320 22599 23040 23064 23328 23760 23808 24552 25110 25344 25920 25947 26730 26784 27280 27621 28160 28512 28830 29160 29760 30132 30690 30752 31104 31680 31713 32076 32736 33480 34560 34596 35640 35712 36828 37665 38016 38440 38880 39680 40095 40176 40920 41472 42240 42284 42768 43245 43648 44640 45198 46035 46128 46656 47520 47616 49104 50220 50688 51840 51894 52855 53460 53568 54560 55242 57024 57660 58320 59520 60264 61380 61504 62208 63360 63426 64152 65472 66960 69120 69192 71280 71424 73656 75330 76032 76880 77760 77841 79360 80190 80352 81840 82863 84480 84568 85536 86490 87296 89280 90396 92070 92256 93312 95040 95139 98208 100440 103680 103788 105710 106920 107136 109120 110484 112995 114048 115320 116640 119040 120528 122760 123008 124416 126720 126852 128304 129735 130944 133920 138105 138384 142560 142848 147312 150660 152064 153760 155520 155682 158565 160380 160704 163680 165726 169136 171072 172980 174592 178560 180792 184140 184512 186624 190080 190278 196416 200880 207360 207576 211420 213840 214272 218240 220968 225990 228096 230640 233280 233523 238080 241056 245520 246016 248589 253440 253704 256608 259470 261888 267840 276210 276768 285120 285417 294624 301320 307520 311040 311364 317130 320760 321408 327360 331452 338272 342144 345960 357120 361584 368280 369024 373248 380160 380556 389205 392832 401760 414315 415152 422840 427680 428544 436480 441936 451980 456192 461280 466560 467046 475695 482112 491040 492032 497178 507408 513216 518940 523776 535680 552420 553536 570240 570834 589248 602640 615040 622080 622728 634260 641520 642816 654720 662904 676544 684288 691920 700569 714240 723168 736560 738048 760320 761112 778410 785664 803520 828630 830304 845680 855360 856251 872960 883872 903960 922560 933120 934092 951390 964224 982080 994356 1014816 1026432 1037880 1071360 1104840 1107072 1140480 1141668 1167615 1178496 1205280 1230080 1242945 1245456 1268520 1283040 1285632 1309440 1325808 1353088 1368576 1383840 1401138 1427085 1446336 1473120 1476096 1522224 1556820 1571328 1607040 1657260 1660608 1691360 1710720 1712502 1767744 1807920 1845120 1866240 1868184 1902780 1928448 1964160 1988712 2029632 2052864 2075760 2142720 2209680 2214144 2280960 2283336 2335230 2356992 2410560 2460160 2485890 2490912 2537040 2566080 2568753 2618880 2651616 2706176 2767680 2802276 2854170 2892672 2946240 3044448 3113640 3214080 3314520 3321216 3382720 3421440 3425004 3502845 3535488 3615840 3690240 3736368 3805560 3856896 3928320 3977424 4059264 4105728 4151520 4281255 4419360 4428288 4566672 4670460 4713984 4821120 4971780 4981824 5074080 5132160 5137506 5303232 5412352 5535360 5604552 5708340 5785344 5892480 6088896 6227280 6428160 6629040 6642432 6765440 6842880 6850008 7005690 7070976 7231680 7380480 7472736 7611120 7706259 7856640 7954848 8118528 8303040 8562510 8838720 9133344 9340920 9642240 9943560 9963648 10148160 10264320 10275012 10606464 11070720 11209104 11416680 11570688 11784960 12177792 12454560 12843765 13258080 13284864 13530880 13700016 14011380 14141952 14463360 14945472 15222240 15412518 15909696 16237056 16606080 17125020 17677440 18266688 18681840 19284480 19887120 19927296 20296320 20528640 20550024 21212928 22141440 22418208 22833360 23569920 24355584 24909120 25687530 26516160 27061760 27400032 28022760 28926720 29890944 30444480 30825036 31819392 33212160 34250040 35354880 36533376 37363680 38531295 39774240 39854592 40592640 41100048 42425856 44836416 45666720 48711168 49818240 51375060 53032320 54800064 56045520 57853440 59781888 60888960 61650072 63638784 66424320 68500080 70709760 73066752 74727360 77062590 79548480 81185280 82200096 89672832 91333440 99636480 102750120 106064640 109600128 112091040 119563776 121777920 123300144 127277568 137000160 146133504 149454720 154125180 159096960 164400192 179345664 182666880 199272960 205500240 212129280 219200256 224182080 243555840 246600288 274000320 298909440 308250360 318193920 328800384 358691328 365333760 411000480 438400512 448364160 493200576 548000640 597818880 616500720 636387840 657600768 730667520 822000960 896728320 986401152 1096001280 1233001440 1315201536 1644001920 1793456640 1972802304 2192002560 2466002880 3288003840 3945604608 4932005760 6576007680 9864011520 19728023040
• Sum of all divisors σ(n): 79942465944
• Sum of proper divisors (its aliquot sum) s(n): 60214442904
• 19728023040 is an abundant number, because the sum of its proper divisors (60214442904) is greater than itself. Its abundance is 40486419864

Bases of 19728023040

• Binary: 10010010111111000011011111000000000₂
• Hexadecimal: 0x497E1BE00
• Base-36: 929K000

Squares and roots of 19728023040

• 19728023040 squared (19728023040²) is 389194893066770841600
• 19728023040 cubed (19728023040³) is 7678045817471591421484990464000
• The square root of 19728023040 is 140456.4809469465
• The cube root of 19728023040 is 2702.0570989885

Scales and comparisons

• 19,728,023,040 seconds is equal to 627 years, 15 weeks, 14 hours, 24 minutes.
• To count from 1 to 19,728,023,040 would take you about one thousand, two hundred fifty-four 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 19728023040 cubic inches would be around 225.2 feet tall.

Recreational maths with 19728023040

• 19728023040 backwards is 04032082791
• 19728023040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19728023040's digits is 36
• More coming soon!