640601023720

Names of 640601023720

• Cardinal: 640601023720 can be written as Six hundred forty billion, six hundred one million, twenty-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.4060102372 × 10¹¹

Factors of 640601023720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10009

Divisors of 640601023720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 49 56 68 70 85 98 119 136 140 170 196 238 245 280 340 392 476 490 595 680 833 952 980 1190 1666 1960 2380 2609 3332 4165 4760 5218 6664 7369 8330 10436 13045 14738 16660 18263 20872 26090 29476 33320 36526 36845 44353 51583 52180 58952 73052 73690 88706 91315 103166 104360 125273 127841 146104 147380 177412 182630 206332 221765 250546 255682 257915 294760 310471 354824 361081 365260 412664 443530 501092 511364 515830 620942 626365 639205 722162 730520 876911 887060 1002184 1022728 1031660 1241884 1252730 1278410 1444324 1552355 1753822 1774120 1805405 2063320 2173297 2483768 2505460 2556820 2888648 3104710 3507644 3610810 4346594 4384555 5010920 5113640 6138377 6209420 7015288 7221620 8693188 8769110 10866485 12276754 12418840 14443240 17386376 17538220 19225721 21732970 24553508 30691885 35076440 38451442 43465940 49107016 61383770 76902884 86931880 96128605 122767540 134580047 153805768 192257210 245535080 269160094 326837257 384514420 538320188 653674514 672900235 769028840 942060329 1076640376 1307349028 1345800470 1634186285 1884120658 2287860799 2614698056 2691600940 3268372570 3768241316 4575721598 4710301645 5383201880 6536745140 7536482632 9151443196 9420603290 11439303995 13073490280 16015025593 18302886392 18841206580 22878607990 32030051186 37682413160 45757215980 64060102372 80075127965 91514431960 128120204744 160150255930 320300511860 640601023720
• Sum of all divisors σ(n): 1776224538000
• Sum of proper divisors (its aliquot sum) s(n): 1135623514280
• 640601023720 is an abundant number, because the sum of its proper divisors (1135623514280) is greater than itself. Its abundance is 495022490560

Bases of 640601023720

• Binary: 1001010100100110110010111110010011101000₂
• Hexadecimal: 0x9526CBE4E8
• Base-36: 86ADB5D4

Squares and roots of 640601023720

• 640601023720 squared (640601023720²) is 410369671591112002638400
• 640601023720 cubed (640601023720³) is 262883231724906550143338380982848000
• The square root of 640601023720 is 800375.5516755869
• The cube root of 640601023720 is 8620.4355543507

Scales and comparisons

• 640,601,023,720 seconds is equal to 20,369 years, 6 weeks, 5 days, 16 hours, 48 minutes, 40 seconds.
• To count from 1 to 640,601,023,720 would take you about forty thousand, seven hundred thirty-eight 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 640601023720 cubic inches would be around 718.4 feet tall.

Recreational maths with 640601023720

• 640601023720 backwards is 027320106046
• The number of decimal digits it has is: 12
• The sum of 640601023720's digits is 31
• More coming soon!