21077090658

Names of 21077090658

• Cardinal: 21077090658 can be written as Twenty-one billion, seventy-seven million, ninety thousand, six hundred fifty-eight.

Scientific notation

• Scientific notation: 2.1077090658 × 10¹⁰

Factors of 21077090658

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4717

Divisors of 21077090658

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 23 26 39 46 69 78 117 138 207 234 299 414 598 897 1093 1794 2186 2691 3279 3583 5382 6558 7166 9837 10749 14209 19674 21498 25139 28418 32247 42627 46579 50278 64494 75417 82409 85254 93158 127881 139737 150834 164818 226251 247227 255762 279474 326807 419211 452502 494454 653614 741681 838422 980421 1071317 1483362 1960842 2142634 2941263 3213951 3916219 5882526 6427902 7832438 9641853 11748657 19283706 23497314 35245971 50910847 70491942 90073037 101821694 152732541 180146074 270219111 305465082 458197623 540438222 810657333 916395246 1170949481 1621314666 2341898962 3512848443 7025696886 10538545329 21077090658
• Sum of all divisors σ(n): 51379421184
• Sum of proper divisors (its aliquot sum) s(n): 30302330526
• 21077090658 is an abundant number, because the sum of its proper divisors (30302330526) is greater than itself. Its abundance is 9225239868

Bases of 21077090658

• Binary: 10011101000010010101110000101100010₂
• Hexadecimal: 0x4E84AE162
• Base-36: 9OKR78I

Squares and roots of 21077090658

• 21077090658 squared (21077090658²) is 444243750605550872964
• 21077090658 cubed (21077090658³) is 9363365805763138147493269170312
• The square root of 21077090658 is 145179.5118396531
• The cube root of 21077090658 is 2762.2960422927

Scales and comparisons

• 21,077,090,658 seconds is equal to 670 years, 9 weeks, 4 days, 19 hours, 24 minutes, 18 seconds.
• To count from 1 to 21,077,090,658 would take you about one thousand, three hundred forty 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 21077090658 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077090658

• 21077090658 backwards is 85609077012
• The number of decimal digits it has is: 11
• The sum of 21077090658's digits is 45
• More coming soon!