642867430982007352

Names of 642867430982007352

• Cardinal: 642867430982007352 can be written as Six hundred forty-two quadrillion, eight hundred sixty-seven trillion, four hundred thirty billion, nine hundred eighty-two million, seven thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 6.42867430982007352 × 10¹⁷

Factors of 642867430982007352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3058481

Divisors of 642867430982007352

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 11 22 44 71 88 121 142 242 284 484 568 781 968 1562 3124 6248 8591 17182 34364 68728 3058397 6116794 12233588 24467176 33642367 67284734 134569468 217146187 269138936 370066037 434292374 740132074 868584748 1480264148 1737169496 2388608057 2960528296 4777216114 9554432228 19108864456 26274688627 52549377254 105098754508 210197509016 9353792209609 18707584419218 37415168838436 74830337676872 102891714305699 205783428611398 411566857222796 664119246882239 823133714445592 1131808857362689 1328238493764478 2263617714725378 2656476987528956 4527235429450756 5312953975057912 7305311715704629 9054470858901512 14610623431409258 29221246862818516 58442493725637032 80358428872750919 160716857745501838 321433715491003676 642867430982007352
• Sum of all divisors σ(n): 1343579152296525480
• Sum of proper divisors (its aliquot sum) s(n): 700711721314518128
• 642867430982007352 is an abundant number, because the sum of its proper divisors (700711721314518128) is greater than itself. Its abundance is 57844290332510776

Bases of 642867430982007352

• Binary: 100011101011111011001000010110111101010110011011101000111000₂
• Hexadecimal: 0x8EBEC85BD59BA38
• Base-36: 4VTXHGQ5HT14

Squares and roots of 642867430982007352

• 642867430982007352 squared (642867430982007352²) is 413278533817405986207029159382051904
• 642867430982007352 cubed (642867430982007352³) is 265683309315206434252001587651113324242641466573598208
• The square root of 642867430982007352 is 801790141.4846701343
• The cube root of 642867430982007352 is 863058.9780080403

Scales and comparisons

• 642,867,430,982,007,352 seconds is equal to 20,441,195,785 years, 36 weeks, 3 days, 10 hours, 55 minutes, 52 seconds.
• To count from 1 to 642,867,430,982,007,352 would take you about sixty-one billion, three hundred twenty-three million, five hundred eighty-seven thousand, three 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 642867430982007352 cubic inches would be around 71921.6 feet tall.

Recreational maths with 642867430982007352

• 642867430982007352 backwards is 253700289034768246
• The number of decimal digits it has is: 18
• The sum of 642867430982007352's digits is 76
• More coming soon!