642485633270

Names of 642485633270

• Cardinal: 642485633270 can be written as Six hundred forty-two billion, four hundred eighty-five million, six hundred thirty-three thousand, two hundred seventy.

Scientific notation

• Scientific notation: 6.4248563327 × 10¹¹

Factors of 642485633270

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4630

Divisors of 642485633270

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 13 19 26 38 65 67 95 130 134 190 247 335 494 670 871 1151 1235 1273 1742 2302 2470 2546 3373 4355 5755 6365 6746 8710 11510 12730 14963 16549 16865 21869 29926 33098 33730 43738 43849 64087 74815 77117 82745 87698 109345 128174 149630 154234 165490 218690 219245 225991 284297 320435 385585 438490 451982 568594 640870 771170 833131 1002521 1129955 1421485 1465223 1666262 2005042 2259910 2842970 2930446 2937883 3882323 4165655 4293829 5012605 5875766 7326115 7764646 8331310 8587658 10025210 14652230 14689415 19047899 19411615 21469145 29378830 38095798 38823230 42938290 50470199 55819777 73764137 95239495 100940398 111639554 147528274 190478990 252350995 260115641 279098885 368820685 504701990 520231282 558197770 737641370 958933781 1300578205 1917867562 2601156410 3381503333 4794668905 4942197179 6763006666 9589337810 9884394358 16907516665 24710985895 33815033330 49421971790 64248563327 128497126654 321242816635 642485633270
• Sum of all divisors σ(n): 1332100546560
• Sum of proper divisors (its aliquot sum) s(n): 689614913290
• 642485633270 is an abundant number, because the sum of its proper divisors (689614913290) is greater than itself. Its abundance is 47129280020

Bases of 642485633270

• Binary: 1001010110010111001000001100000011110110₂
• Hexadecimal: 0x959720C0F6
• Base-36: 875JCVEE

Squares and roots of 642485633270

• 642485633270 squared (642485633270²) is 412787788958352930892900
• 642485633270 cubed (642485633270³) is 265210223995030496460885403046783000
• The square root of 642485633270 is 801552.0153240213
• The cube root of 642485633270 is 8628.8808782585

Scales and comparisons

• 642,485,633,270 seconds is equal to 20,429 years, 2 weeks, 6 days, 7 hours, 27 minutes, 50 seconds.
• To count from 1 to 642,485,633,270 would take you about forty thousand, eight hundred fifty-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 642485633270 cubic inches would be around 719.1 feet tall.

Recreational maths with 642485633270

• 642485633270 backwards is 072336584246
• The number of decimal digits it has is: 12
• The sum of 642485633270's digits is 50
• More coming soon!