642475702120

Names of 642475702120

• Cardinal: 642475702120 can be written as Six hundred forty-two billion, four hundred seventy-five million, seven hundred two thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.4247570212 × 10¹¹

Factors of 642475702120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3944

Divisors of 642475702120

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 59 68 70 85 118 119 136 140 170 236 238 280 295 340 413 472 476 590 595 680 733 826 952 1003 1180 1190 1466 1652 2006 2065 2360 2380 2932 3121 3304 3665 4012 4130 4760 5015 5131 5864 6242 7021 7330 8024 8260 10030 10262 12461 12484 14042 14660 15605 16520 20060 20524 21847 24922 24968 25655 28084 29320 31210 35105 40120 41048 43247 43694 49844 51310 53057 56168 62305 62420 70210 86494 87227 87388 99688 102620 106114 109235 124610 124840 140420 172988 174454 174776 184139 205240 212228 216235 218470 249220 265285 280840 302729 345976 348908 368278 371399 424456 432470 436135 436940 498440 530570 605458 697816 735199 736556 742798 864940 872270 873880 920695 1061140 1210916 1288973 1470398 1473112 1485596 1513645 1729880 1744540 1841390 1856995 2122280 2287693 2421832 2577946 2940796 2971192 3027290 3130363 3489080 3675995 3682780 3713990 4575386 5146393 5155892 5881592 6054580 6260726 6444865 7351990 7365560 7427980 9150772 10292786 10311784 11438465 12109160 12521452 12889730 14703980 14855960 15651815 16013851 18301544 20585572 21912541 22876930 25042904 25731965 25779460 29407960 31303630 32027702 38890781 41171144 43825082 45753860 51463930 51558920 62607260 64055404 77781562 80069255 87650164 91507720 102927860 109562705 125214520 128110808 134973887 155563124 160138510 175300328 194453905 205855720 219125410 269947774 272235467 311126248 320277020 388907810 438250820 539895548 544470934 640554040 674869435 777815620 876501640 944817209 1079791096 1088941868 1349738870 1361177335 1555631240 1889634418 2177883736 2294556079 2699477740 2722354670 3779268836 4589112158 4724086045 5398955480 5444709340 7558537672 9178224316 9448172090 10889418680 11472780395 16061892553 18356448632 18896344180 22945560790 32123785106 37792688360 45891121580 64247570212 80309462765 91782243160 128495140424 160618925530 321237851060 642475702120
• Sum of all divisors σ(n): 1781907724800
• Sum of proper divisors (its aliquot sum) s(n): 1139432022680
• 642475702120 is an abundant number, because the sum of its proper divisors (1139432022680) is greater than itself. Its abundance is 496956320560

Bases of 642475702120

• Binary: 1001010110010110100010010011011101101000₂
• Hexadecimal: 0x9596893768
• Base-36: 875DG0H4

Squares and roots of 642475702120

• 642475702120 squared (642475702120²) is 412775027814586972494400
• 642475702120 cubed (642475702120³) is 265197925812779294331144767768128000
• The square root of 642475702120 is 801545.8203496541
• The cube root of 642475702120 is 8628.8364180415

Scales and comparisons

• 642,475,702,120 seconds is equal to 20,428 years, 38 weeks, 3 days, 8 hours, 48 minutes, 40 seconds.
• To count from 1 to 642,475,702,120 would take you about forty thousand, eight hundred fifty-seven 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 642475702120 cubic inches would be around 719.1 feet tall.

Recreational maths with 642475702120

• 642475702120 backwards is 021207574246
• 642475702120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642475702120's digits is 40
• More coming soon!