21422447904

Names of 21422447904

• Cardinal: 21422447904 can be written as Twenty-one billion, four hundred twenty-two million, four hundred forty-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1422447904 × 10¹⁰

Factors of 21422447904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 141892

Divisors of 21422447904

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 44 48 52 66 78 88 96 104 121 132 143 156 176 208 242 264 286 312 352 363 416 429 484 528 572 624 726 858 968 1056 1144 1248 1452 1573 1716 1936 2288 2904 3146 3432 3872 4576 4719 5808 6292 6864 9438 11616 12584 13728 18876 25168 37752 50336 75504 141863 151008 283726 425589 567452 851178 1134904 1560493 1702356 1844219 2269808 3120986 3404712 3688438 4539616 4681479 5532657 6241972 6809424 7376876 9362958 11065314 12483944 13618848 14753752 17165423 18725916 20286409 22130628 24967888 29507504 34330846 37451832 40572818 44261256 49935776 51496269 59015008 60859227 68661692 74903664 81145636 88522512 102992538 121718454 137323384 149807328 162291272 177045024 205985076 223150499 243436908 274646768 324582544 411970152 446300998 486873816 549293536 649165088 669451497 823940304 892601996 973747632 1338902994 1647880608 1785203992 1947495264 2677805988 3570407984 5355611976 7140815968 10711223952 21422447904
• Sum of all divisors σ(n): 66565993536
• Sum of proper divisors (its aliquot sum) s(n): 45143545632
• 21422447904 is an abundant number, because the sum of its proper divisors (45143545632) is greater than itself. Its abundance is 23721097728

Bases of 21422447904

• Binary: 10011111100111000001001110100100000₂
• Hexadecimal: 0x4FCE09D20
• Base-36: 9UADELC

Squares and roots of 21422447904

• 21422447904 squared (21422447904²) is 458921274199593993216
• 21422447904 cubed (21422447904³) is 9831217088578101617621089419264
• The square root of 21422447904 is 146364.0936295511
• The cube root of 21422447904 is 2777.3015196535

Scales and comparisons

• 21,422,447,904 seconds is equal to 681 years, 8 weeks, 4 days, 23 hours, 58 minutes, 24 seconds.
• To count from 1 to 21,422,447,904 would take you about one thousand, three hundred sixty-two 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 21422447904 cubic inches would be around 231.4 feet tall.

Recreational maths with 21422447904

• 21422447904 backwards is 40974422412
• 21422447904 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21422447904's digits is 39
• More coming soon!