21378140067988327248

Names of 21378140067988327248

• Cardinal: 21378140067988327248 can be written as Twenty-one quintillion, three hundred seventy-eight quadrillion, one hundred forty trillion, sixty-seven billion, nine hundred eighty-eight million, three hundred twenty-seven thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1378140067988327248 × 10¹⁹

Factors of 21378140067988327248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4210025992

Divisors of 21378140067988327248

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 967 1934 2901 3868 5802 7736 8703 11604 15472 17406 23208 34812 36467 46416 69624 72934 109401 139248 145868 218802 291736 328203 437604 583472 656406 875208 1312812 1750416 2625624 5251248 35263589 70527178 105790767 141054356 211581534 282108712 317372301 423163068 564217424 634744602 846326136 1269489204 1692652272 2538978408 4209988553 5077956816 8419977106 12629965659 16839954212 25259931318 33679908424 37889896977 50519862636 67359816848 75779793954 101039725272 151559587908 202079450544 303119175816 606238351632 4071058930751 8142117861502 12213176792253 16284235723004 24426353584506 32568471446008 36639530376759 48852707169012 65136942892016 73279060753518 97705414338024 146558121507036 153525652562251 195410828676048 293116243014072 307051305124502 460576957686753 586232486028144 614102610249004 921153915373506 1228205220498008 1381730873060259 1842307830747012 2456410440996016 2763461746120518 3684615661494024 5526923492241036 7369231322988048 11053846984482072 22107693968964144 148459306027696717 296918612055393434 445377918083090151 593837224110786868 890755836166180302 1187674448221573736 1336133754249270453 1781511672332360604 2375348896443147472 2672267508498540906 3563023344664721208 5344535016997081812 7126046689329442416 10689070033994163624 21378140067988327248
• Sum of all divisors σ(n): 59892613514745156288
• Sum of proper divisors (its aliquot sum) s(n): 38514473446756829040
• 21378140067988327248 is an abundant number, because the sum of its proper divisors (38514473446756829040) is greater than itself. Its abundance is 17136333378768501792

Bases of 21378140067988327248

• Binary: 10010100010101110011010010010000000100110111111010100101101010000₂
• Hexadecimal: 0x128AE692026FD4B50
• Base-36: 4IF5Q6N0SOXG0

Squares and roots of 21378140067988327248

• 21378140067988327248 squared (21378140067988327248²) is 457024872766527961169530081981139253504
• 21378140067988327248 cubed (21378140067988327248³) is 9770341744557378677923043951540520341017966291088382676992
• The square root of 21378140067988327248 is 4623650080.6168633817
• The cube root of 21378140067988327248 is 2775385.4430048009

Scales and comparisons

• 21,378,140,067,988,327,248 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 21,378,140,067,988,327,248 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 21378140067988327248 cubic inches would be around 231282.1 feet tall.

Recreational maths with 21378140067988327248

• 21378140067988327248 backwards is 84272388976004187312
• The number of decimal digits it has is: 20
• The sum of 21378140067988327248's digits is 90
• More coming soon!