21363888617188128

Names of 21363888617188128

• Cardinal: 21363888617188128 can be written as Twenty-one quadrillion, three hundred sixty-three trillion, eight hundred eighty-eight billion, six hundred seventeen million, one hundred eighty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1363888617188128 × 10¹⁶

Factors of 21363888617188128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 782997

Divisors of 21363888617188128

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 121 132 144 176 198 242 264 288 352 363 396 484 528 726 792 968 1056 1089 1452 1584 1936 2178 2904 3168 3872 4356 5808 8712 11616 17424 34848 782981 1565962 2348943 3131924 4697886 6263848 7046829 8612791 9395772 12527696 14093658 17225582 18791544 25055392 25838373 28187316 34451164 37583088 51676746 56374632 68902328 75166176 77515119 94740701 103353492 112749264 137804656 155030238 189481402 206706984 225498528 275609312 284222103 310060476 378962804 413413968 568444206 620120952 757925608 826827936 852666309 1136888412 1240241904 1515851216 1705332618 2273776824 2480483808 3031702432 3410665236 4547553648 6821330472 9095107296 13642660944 27285321888 613059246361 1226118492722 1839177739083 2452236985444 3678355478166 4904473970888 5517533217249 6743651709971 7356710956332 9808947941776 11035066434498 13487303419942 14713421912664 19617895883552 20230955129913 22070132868996 26974606839884 29426843825328 40461910259826 44140265737992 53949213679768 58853687650656 60692865389739 74180168809681 80923820519652 88280531475984 107898427359536 121385730779478 148360337619362 161847641039304 176561062951968 215796854719072 222540506429043 242771461558956 296720675238724 323695282078608 445081012858086 485542923117912 593441350477448 647390564157216 667621519287129 890162025716172 971085846235824 1186882700954896 1335243038574258 1780324051432344 1942171692471648 2373765401909792 2670486077148516 3560648102864688 5340972154297032 7121296205729376 10681944308594064 21363888617188128
• Sum of all divisors σ(n): 66778789816244961
• Sum of proper divisors (its aliquot sum) s(n): 45414901199056833
• 21363888617188128 is an abundant number, because the sum of its proper divisors (45414901199056833) is greater than itself. Its abundance is 24051012581868705

Bases of 21363888617188128

• Binary: 1001011111001100101011111110000000011000110101100100000₂
• Hexadecimal: 0x4BE657F00C6B20
• Base-36: 5UCV6XVEYW0

Squares and roots of 21363888617188128

• 21363888617188128 squared (21363888617188128²) is 456415736847620463964513344144384
• 21363888617188128 cubed (21363888617188128³) is 9750814965144410873369394467555524908484122673152
• The square root of 21363888617188128 is 146163910.1050191803
• The cube root of 21363888617188128 is 277476.8581396909

Scales and comparisons

• 21,363,888,617,188,128 seconds is equal to 679,305,575 years, 9 weeks, 2 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,363,888,617,188,128 would take you about two billion, thirty-seven million, nine hundred sixteen thousand, seven hundred twenty-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 21363888617188128 cubic inches would be around 23123.1 feet tall.

Recreational maths with 21363888617188128

• 21363888617188128 backwards is 82188171688836312
• The number of decimal digits it has is: 17
• The sum of 21363888617188128's digits is 81
• More coming soon!