28121390313100992

Names of 28121390313100992

• Cardinal: 28121390313100992 can be written as Twenty-eight quadrillion, one hundred twenty-one trillion, three hundred ninety billion, three hundred thirteen million, one hundred thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.8121390313100992 × 10¹⁶

Factors of 28121390313100992

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 232

Divisors of 28121390313100992

• Number of divisors d(n): 294
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 144 162 192 216 227 243 288 324 432 454 486 576 648 681 729 864 908 972 1296 1362 1458 1728 1816 1944 2043 2592 2724 2916 3632 3888 4086 5184 5448 5832 6129 7264 7776 8172 10896 11664 12258 14528 15552 16344 18387 21792 23328 24516 32688 36774 43584 46656 49032 51529 55161 65376 73548 98064 103058 110322 130752 147096 154587 165483 196128 206116 220644 294192 309174 330966 392256 412232 441288 463761 588384 618348 661932 824464 882576 927522 1176768 1236696 1323864 1391283 1648928 1765152 1855044 2473392 2647728 2782566 3297856 3530304 3710088 4173849 4946784 5295456 5565132 7420176 8347698 9893568 10590912 11130264 11697083 12521547 14840352 16695396 22260528 23394166 25043094 29680704 33390792 35091249 37564641 44521056 46788332 50086188 66781584 70182498 75129282 89042112 93576664 100172376 105273747 133563168 140364996 150258564 187153328 200344752 210547494 267126336 280729992 300517128 315821241 374306656 400689504 421094988 561459984 601034256 631642482 748613312 801379008 842189976 947463723 1122919968 1202068512 1263284964 1684379952 1894927446 2245839936 2404137024 2526569928 2655237841 2842391169 3368759904 3789854892 5053139856 5310475682 5684782338 6737519808 7579709784 7965713523 8527173507 10106279712 10620951364 11369564676 15159419568 15931427046 17054347014 20212559424 21241902728 22739129352 23897140569 30318839136 31862854092 34108694028 42483805456 45478258704 47794281138 60637678272 63725708184 68217388056 71691421707 84967610912 90956517408 95588562276 127451416368 136434776112 143382843414 169935221824 181913034816 191177124552 215074265121 254902832736 272869552224 286765686828 382354249104 430148530242 509805665472 545739104448 573531373656 602738989907 645222795363 764708498208 860297060484 1147062747312 1205477979814 1290445590726 1529416996416 1720594120968 1808216969721 1935668386089 2294125494624 2410955959628 2580891181452 3441188241936 3616433939442 3871336772178 4588250989248 4821911919256 5161782362904 5424650909163 6882376483872 7232867878884 7742673544356 9643823838512 10323564725808 10849301818326 13764752967744 14465735757768 15485347088712 16273952727489 19287647677024 20647129451616 21698603636652 28931471515536 30970694177424 32547905454978 38575295354048 41294258903232 43397207273304 48821858182467 57862943031072 61941388354848 65095810909956 86794414546608 97643716364934 115725886062144 123882776709696 130191621819912 146465574547401 173588829093216 195287432729868 260383243639824 292931149094802 347177658186432 390574865459736 439396723642203 520766487279648 585862298189604 781149730919472 878793447284406 1041532974559296 1171724596379208 1562299461838944 1757586894568812 2343449192758416 3124598923677888 3515173789137624 4686898385516832 7030347578275248 9373796771033664 14060695156550496 28121390313100992
• Sum of all divisors σ(n): 84037009016156868
• Sum of proper divisors (its aliquot sum) s(n): 55915618703055876
• 28121390313100992 is an abundant number, because the sum of its proper divisors (55915618703055876) is greater than itself. Its abundance is 27794228389954884

Bases of 28121390313100992

• Binary: 1100011111010000100000101101000001100111101011011000000₂
• Hexadecimal: 0x63E8416833D6C0
• Base-36: 7OW78D3N000

Squares and roots of 28121390313100992

• 28121390313100992 squared (28121390313100992²) is 790812593141770308869991191384064
• 28121390313100992 cubed (28121390313100992³) is 22238749596255255544934161932816544582572291391488
• The square root of 28121390313100992 is 167694335.9601062733
• The cube root of 28121390313100992 is 304097.0889435955

Scales and comparisons

• 28,121,390,313,100,992 seconds is equal to 894,173,226 years, 40 weeks, 5 days, 18 hours, 43 minutes, 12 seconds.
• To count from 1 to 28,121,390,313,100,992 would take you about two billion, six hundred eighty-two million, five hundred nineteen thousand, six hundred eighty 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 28121390313100992 cubic inches would be around 25341.4 feet tall.

Recreational maths with 28121390313100992

• 28121390313100992 backwards is 29900131309312182
• 28121390313100992 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 28121390313100992's digits is 54
• More coming soon!