21007775563776

Names of 21007775563776

• Cardinal: 21007775563776 can be written as Twenty-one trillion, seven billion, seven hundred seventy-five million, five hundred sixty-three thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 2.1007775563776 × 10¹³

Factors of 21007775563776

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 28
• Sum of prime factors: 378

Divisors of 21007775563776

• Number of divisors d(n): 225
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 373 384 512 576 746 768 1024 1119 1152 1492 1536 2048 2238 2304 2984 3072 3357 4096 4476 4608 5968 6144 6714 8192 8952 9216 11936 12288 13428 16384 17904 18432 23872 24576 26856 32768 35808 36864 47744 49152 53712 65536 71616 73728 95488 98304 107424 131072 139129 143232 147456 190976 196608 214848 262144 278258 286464 294912 381952 393216 417387 429696 524288 556516 572928 589824 763904 786432 834774 859392 1048576 1113032 1145856 1179648 1252161 1527808 1572864 1669548 1718784 2097152 2226064 2291712 2359296 2504322 3055616 3145728 3339096 3437568 4194304 4452128 4583424 4718592 5008644 6111232 6291456 6678192 6875136 8388608 8904256 9166848 9437184 10017288 12222464 12582912 13356384 13750272 16777216 17808512 18333696 18874368 20034576 24444928 25165824 26712768 27500544 35617024 36667392 37748736 40069152 48889856 50331648 53425536 55001088 71234048 73334784 75497472 80138304 97779712 106851072 110002176 142468096 146669568 150994944 160276608 195559424 213702144 220004352 284936192 293339136 320553216 391118848 427404288 440008704 569872384 586678272 641106432 782237696 854808576 880017408 1139744768 1173356544 1282212864 1564475392 1709617152 1760034816 2279489536 2346713088 2564425728 3128950784 3419234304 3520069632 4558979072 4693426176 5128851456 6257901568 6838468608 7040139264 9117958144 9386852352 10257702912 13676937216 14080278528 18235916288 18773704704 20515405824 27353874432 28160557056 36471832576 41030811648 54707748864 56321114112 72943665152 82061623296 109415497728 145887330304 164123246592 218830995456 291774660608 328246493184 437661990912 583549321216 656492986368 875323981824 1167098642432 1312985972736 1750647963648 2334197284864 2625971945472 3501295927296 5251943890944 7002591854592 10503887781888 21007775563776
• Sum of all divisors σ(n): 60852269241309
• Sum of proper divisors (its aliquot sum) s(n): 39844493677533
• 21007775563776 is an abundant number, because the sum of its proper divisors (39844493677533) is greater than itself. Its abundance is 18836718113757

Bases of 21007775563776

• Binary: 100110001101101000001000000000000000000000000₂
• Hexadecimal: 0x131B41000000
• Base-36: 7G2U75Z40

Squares and roots of 21007775563776

• 21007775563776 squared (21007775563776²) is 441326634137984034643378176
• 21007775563776 cubed (21007775563776³) is 9271290880287452041156381076423574552576
• 21007775563776 is a perfect square number. Its square root is 4583424
• The cube root of 21007775563776 is 27592.6464532979

Scales and comparisons

• 21,007,775,563,776 seconds is equal to 667,982 years, 14 weeks, 4 days, 12 hours, 9 minutes, 36 seconds.
• To count from 1 to 21,007,775,563,776 would take you about one million, six hundred sixty-nine thousand, nine hundred fifty-five 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 21007775563776 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007775563776

• 21007775563776 backwards is 67736557770012
• The number of decimal digits it has is: 14
• The sum of 21007775563776's digits is 63
• More coming soon!