21277016928

Names of 21277016928

• Cardinal: 21277016928 can be written as Twenty-one billion, two hundred seventy-seven million, sixteen thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1277016928 × 10¹⁰

Factors of 21277016928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10823

Divisors of 21277016928

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 3257 6514 7561 9771 13028 15122 19542 22683 26056 29313 30244 39084 45366 52112 58626 60488 68049 78168 87939 90732 104224 117252 120976 136098 156336 175878 181464 204147 234504 241952 272196 312672 351756 362928 408294 469008 544392 703512 725856 816588 938016 1088784 1407024 1633176 2177568 2814048 3266352 6532704 24626177 49252354 73878531 98504708 147757062 197009416 221635593 295514124 394018832 443271186 591028248 664906779 788037664 886542372 1182056496 1329813558 1773084744 2364112992 2659627116 3546169488 5319254232 7092338976 10638508464 21277016928
• Sum of all divisors σ(n): 62085229920
• Sum of proper divisors (its aliquot sum) s(n): 40808212992
• 21277016928 is an abundant number, because the sum of its proper divisors (40808212992) is greater than itself. Its abundance is 19531196064

Bases of 21277016928

• Binary: 10011110100001101011000001101100000₂
• Hexadecimal: 0x4F4358360
• Base-36: 9RVSBC0

Squares and roots of 21277016928

• 21277016928 squared (21277016928²) is 452711449354398557184
• 21277016928 cubed (21277016928³) is 9632349171412952772462744010752
• The square root of 21277016928 is 145866.4352344295
• The cube root of 21277016928 is 2771.0024708553

Scales and comparisons

• 21,277,016,928 seconds is equal to 676 years, 28 weeks, 1 day, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,277,016,928 would take you about one thousand, three hundred fifty-three 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 21277016928 cubic inches would be around 230.9 feet tall.

Recreational maths with 21277016928

• 21277016928 backwards is 82961077212
• The number of decimal digits it has is: 11
• The sum of 21277016928's digits is 45
• More coming soon!