21429334118163456

Names of 21429334118163456

• Cardinal: 21429334118163456 can be written as Twenty-one quadrillion, four hundred twenty-nine trillion, three hundred thirty-four billion, one hundred eighteen million, one hundred sixty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1429334118163456 × 10¹⁶

Factors of 21429334118163456

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1524876

Divisors of 21429334118163456

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2304 3072 4608 9216 1524871 3049742 4574613 6099484 9149226 12198968 13723839 18298452 24397936 27447678 36596904 48795872 54895356 73193808 97591744 109790712 146387616 195183488 219581424 292775232 390366976 439162848 585550464 780733952 878325696 1171100928 1561467904 1756651392 2342201856 3513302784 4684403712 7026605568 14053211136 2325231566641 4650463133282 6975694699923 9300926266564 13951389399846 18601852533128 20927084099769 27902778799692 37203705066256 41854168199538 55805557599384 74407410132512 83708336399076 111611115198768 148814820265024 167416672798152 223222230397536 297629640530048 334833345596304 446444460795072 595259281060096 669666691192608 892888921590144 1190518562120192 1339333382385216 1785777843180288 2381037124240384 2678666764770432 3571555686360576 5357333529540864 7143111372721152 10714667059081728 21429334118163456
• Sum of all divisors σ(n): 61876777798252443
• Sum of proper divisors (its aliquot sum) s(n): 40447443680088987
• 21429334118163456 is an abundant number, because the sum of its proper divisors (40447443680088987) is greater than itself. Its abundance is 19018109561925531

Bases of 21429334118163456

• Binary: 1001100001000011101110110100111111000101110010000000000₂
• Hexadecimal: 0x4C21DDA7E2E400
• Base-36: 5V02C6SXZ40

Squares and roots of 21429334118163456

• 21429334118163456 squared (21429334118163456²) is 459216360747884344399210333863936
• 21429334118163456 cubed (21429334118163456³) is 9840700826993495647214466403126731818900511522816
• 21429334118163456 is a perfect square number. Its square root is 146387616
• The cube root of 21429334118163456 is 277759.9074260179

Scales and comparisons

• 21,429,334,118,163,456 seconds is equal to 681,386,539 years, 35 weeks, 16 hours, 57 minutes, 36 seconds.
• To count from 1 to 21,429,334,118,163,456 would take you about two billion, forty-four million, one hundred fifty-nine thousand, six hundred nineteen 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 21429334118163456 cubic inches would be around 23146.7 feet tall.

Recreational maths with 21429334118163456

• 21429334118163456 backwards is 65436181143392412
• The number of decimal digits it has is: 17
• The sum of 21429334118163456's digits is 63
• More coming soon!