642742702612

Names of 642742702612

• Cardinal: 642742702612 can be written as Six hundred forty-two billion, seven hundred forty-two million, seven hundred two thousand, six hundred twelve.

Scientific notation

• Scientific notation: 6.42742702612 × 10¹¹

Factors of 642742702612

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5258

Divisors of 642742702612

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 53 106 212 601 1202 1801 2404 2801 3602 5602 7204 11204 31853 63706 95453 127412 148453 190906 296906 381812 593812 1082401 1683401 2164802 3366802 4329604 5044601 6733604 10089202 20178404 57367253 89220253 114734506 178440506 229469012 267363853 356881012 534727706 1069455412 3031805201 6063610402 12127220804 160685675653 321371351306 642742702612
• Sum of all divisors σ(n): 1148976665424
• Sum of proper divisors (its aliquot sum) s(n): 506233962812
• 642742702612 is a deficient number, because the sum of its proper divisors (506233962812) is less than itself. Its deficiency is 136508739800

Bases of 642742702612

• Binary: 1001010110100110011100110101001000010100₂
• Hexadecimal: 0x95A6735214
• Base-36: 879SERDG

Squares and roots of 642742702612

• 642742702612 squared (642742702612²) is 413118181760977871622544
• 642742702612 cubed (642742702612³) is 265528696643206362606601512106884928
• The square root of 642742702612 is 801712.3565294475
• The cube root of 642742702612 is 8630.0315784097

Scales and comparisons

• 642,742,702,612 seconds is equal to 20,437 years, 11 weeks, 6 days, 15 hours, 36 minutes, 52 seconds.
• To count from 1 to 642,742,702,612 would take you about forty thousand, eight hundred seventy-four 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 642742702612 cubic inches would be around 719.2 feet tall.

Recreational maths with 642742702612

• 642742702612 backwards is 216207247246
• The number of decimal digits it has is: 12
• The sum of 642742702612's digits is 43
• More coming soon!