21177308928

Names of 21177308928

• Cardinal: 21177308928 can be written as Twenty-one billion, one hundred seventy-seven million, three hundred eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1177308928 × 10¹⁰

Factors of 21177308928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7648

Divisors of 21177308928

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 32 48 58 64 87 96 116 127 128 174 192 232 254 256 348 381 384 464 508 696 762 768 928 1016 1392 1524 1856 2032 2784 3048 3683 3712 4064 5568 6096 7366 7424 7487 8128 11049 11136 12192 14732 14974 16256 22098 22272 22461 24384 29464 29948 32512 44196 44922 48768 58928 59896 88392 89844 97536 117856 119792 176784 179688 217123 235712 239584 353568 359376 434246 471424 479168 651369 707136 718752 868492 942848 950849 958336 1302738 1414272 1437504 1736984 1901698 1916672 2605476 2828544 2852547 2875008 3473968 3803396 5210952 5705094 5750016 6947936 7606792 10421904 11410188 13895872 15213584 20843808 22820376 27574621 27791744 30427168 41687616 45640752 55149242 55583488 60854336 82723863 83375232 91281504 110298484 121708672 165447726 166750464 182563008 220596968 243417344 330895452 365126016 441193936 661790904 730252032 882387872 1323581808 1764775744 2647163616 3529551488 5294327232 7059102976 10588654464 21177308928
• Sum of all divisors σ(n): 58773012480
• Sum of proper divisors (its aliquot sum) s(n): 37595703552
• 21177308928 is an abundant number, because the sum of its proper divisors (37595703552) is greater than itself. Its abundance is 16418394624

Bases of 21177308928

• Binary: 10011101110010001000001011100000000₂
• Hexadecimal: 0x4EE441700
• Base-36: 9Q8F85C

Squares and roots of 21177308928

• 21177308928 squared (21177308928²) is 448478413431948509184
• 21177308928 cubed (21177308928³) is 9497565908787678283978613194752
• The square root of 21177308928 is 145524.2554627921
• The cube root of 21177308928 is 2766.6672167481

Scales and comparisons

• 21,177,308,928 seconds is equal to 673 years, 19 weeks, 2 days, 17 hours, 48 minutes, 48 seconds.
• To count from 1 to 21,177,308,928 would take you about one thousand, three hundred forty-six 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 21177308928 cubic inches would be around 230.6 feet tall.

Recreational maths with 21177308928

• 21177308928 backwards is 82980377112
• 21177308928 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21177308928's digits is 48
• More coming soon!