640956798144

Names of 640956798144

• Cardinal: 640956798144 can be written as Six hundred forty billion, nine hundred fifty-six million, seven hundred ninety-eight thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.40956798144 × 10¹¹

Factors of 640956798144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3540

Divisors of 640956798144

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 144 156 169 192 208 216 234 288 312 338 351 416 432 468 507 576 624 676 702 809 832 864 936 1014 1248 1352 1404 1521 1618 1728 1872 2028 2427 2496 2704 2713 2808 3042 3236 3744 4056 4563 4854 5408 5426 5616 6084 6472 7281 7488 8112 8139 9126 9708 10517 10816 10852 11232 12168 12944 14562 16224 16278 18252 19416 21034 21704 21843 22464 24336 24417 25888 29124 31551 32448 32556 35269 36504 38832 42068 43408 43686 48672 48834 51776 58248 63102 65112 70538 73008 73251 77664 84136 86816 87372 94653 97344 97668 105807 116496 126204 130224 136721 141076 146016 146502 155328 168272 173632 174744 189306 195336 211614 232992 252408 260448 273442 282152 283959 292032 293004 317421 336544 349488 378612 390672 410163 423228 458497 465984 504816 520896 546884 564304 567918 586008 634842 673088 698976 757224 781344 820326 846456 916994 952263 1009632 1093768 1128608 1135836 1172016 1230489 1269684 1375491 1397952 1514448 1562688 1640652 1692912 1833988 1904526 2019264 2187536 2194817 2257216 2271672 2344032 2460978 2539368 2750982 3028896 3281304 3385824 3667976 3691467 3809052 4126473 4375072 4389634 4543344 4688064 4921956 5078736 5501964 6057792 6562608 6584451 6771648 7335952 7382934 7618104 8252946 8750144 8779268 9086688 9843912 10157472 11003928 12379419 13125216 13168902 14671904 14765868 15236208 16505892 17558536 18173376 19687824 19753353 20314944 22007856 24758838 26250432 26337804 28532621 29343808 29531736 30472416 33011784 35117072 39375648 39506706 44015712 49517676 52675608 57065242 59063472 59260059 60944832 66023568 70234144 78751296 79013412 85597863 88031424 99035352 105351216 114130484 118126944 118520118 132047136 140468288 158026824 171195726 198070704 210702432 228260968 236253888 237040236 256793589 264094272 316053648 342391452 370924073 396141408 421404864 456521936 474080472 513587178 632107296 684782904 741848146 770380767 792282816 913043872 948160944 1027174356 1112772219 1264214592 1369565808 1483696292 1540761534 1826087744 1896321888 2054348712 2225544438 2739131616 2967392584 3081523068 3338316657 3792643776 4108697424 4451088876 5478263232 5934785168 6163046136 6676633314 8217394848 8902177752 10014949971 11869570336 12326092272 13353266628 16434789696 17804355504 20029899942 23739140672 24652184544 26706533256 35608711008 40059799884 49304369088 53413066512 71217422016 80119599768 106826133024 160239199536 213652266048 320478399072 640956798144
• Sum of all divisors σ(n): 2043664797600
• Sum of proper divisors (its aliquot sum) s(n): 1402707999456
• 640956798144 is an abundant number, because the sum of its proper divisors (1402707999456) is greater than itself. Its abundance is 761751201312

Bases of 640956798144

• Binary: 1001010100111100000000001001010011000000₂
• Hexadecimal: 0x953C0094C0
• Base-36: 86G94MO0

Squares and roots of 640956798144

• 640956798144 squared (640956798144²) is 410825617087008361844736
• 640956798144 cubed (640956798144³) is 263321472123621855867756563820969984
• The square root of 640956798144 is 800597.7755052785
• The cube root of 640956798144 is 8622.0311199675

Scales and comparisons

• 640,956,798,144 seconds is equal to 20,380 years, 23 weeks, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 640,956,798,144 would take you about forty thousand, seven hundred sixty 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 640956798144 cubic inches would be around 718.5 feet tall.

Recreational maths with 640956798144

• 640956798144 backwards is 441897659046
• The number of decimal digits it has is: 12
• The sum of 640956798144's digits is 63
• More coming soon!