21094388156961

Names of 21094388156961

• Cardinal: 21094388156961 can be written as Twenty-one trillion, ninety-four billion, three hundred eighty-eight million, one hundred fifty-six thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 2.1094388156961 × 10¹³

Factors of 21094388156961

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6774

Divisors of 21094388156961

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 21 27 41 49 63 67 123 127 147 189 201 287 343 369 381 441 469 603 861 889 1029 1107 1143 1323 1407 1809 2009 2583 2667 2747 3087 3283 3429 4221 5207 6027 6223 6529 7749 8001 8241 8509 9261 9849 12663 14063 15621 18081 18669 19229 19587 22981 24003 24723 25527 29547 36449 42189 43561 45703 46863 54243 56007 57687 58761 59563 68943 74169 76581 88641 109347 126567 130683 134603 137109 140589 168021 173061 176283 178689 206829 229743 255143 267689 319921 328041 348869 379701 392049 403809 411327 416941 437443 519183 536067 620487 765429 803067 829183 942221 959763 984123 1046607 1176147 1211427 1233981 1250823 1312329 1608201 1786001 1873823 2239447 2296287 2409201 2442083 2487549 2826663 2879289 2918587 3062101 3139821 3634281 3752469 3936987 5358003 5621469 5804281 6718341 6888861 7227603 7326249 7462647 8479989 8637867 8755761 9186303 9419463 11257407 11810961 13116761 16074009 16864407 17094581 17412843 17935163 20155023 21434707 21978747 22387941 25439967 26267283 27558909 33996503 39350283 40629967 48222027 50593221 51283743 52238529 53805489 55555261 60465069 64304121 65936241 78801849 82676727 91817327 101989509 118050849 119662067 121889901 125546141 150042949 153851229 156715587 161416467 166665783 192912363 237975521 275451981 284409769 305968527 354152547 358986201 365669703 376638423 388886827 450128847 461553687 484249401 499997349 578737089 713926563 826355943 853229307 878822987 917905581 1076958603 1097009109 1129915269 1166660481 1350386541 1499992047 1665828647 2141779689 2277765701 2479067829 2559687921 2636468961 2722207789 3230875809 3389745807 3499981443 4051159623 4997485941 6151760909 6425339067 6833297103 7679063763 7909406883 8166623367 10499944329 11660800529 14992457823 15944359907 18455282727 19055454523 20499891309 23728220649 24499870101 34982401587 44977373469 47833079721 55365848181 57166363569 61499673927 73499610303 104947204761 111610519349 143499239163 166097544543 171499090707 314841614283 334831558047 430497717489 514497272121 781273635443 1004494674141 2343820906329 3013484022423 7031462718987 21094388156961
• Sum of all divisors σ(n): 38194544640000
• Sum of proper divisors (its aliquot sum) s(n): 17100156483039
• 21094388156961 is a deficient number, because the sum of its proper divisors (17100156483039) is less than itself. Its deficiency is 3994231673922

Bases of 21094388156961

• Binary: 100110010111101101011100000110100101000100001₂
• Hexadecimal: 0x132F6B834A21
• Base-36: 7H6MM2FQ9

Squares and roots of 21094388156961

• 21094388156961 squared (21094388156961²) is 444973211716536494372755521
• 21094388156961 cubed (21094388156961³) is 9386437647398207112698006282358227331681
• The square root of 21094388156961 is 4592862.7409232469
• The cube root of 21094388156961 is 27630.5148728857

Scales and comparisons

• 21,094,388,156,961 seconds is equal to 670,736 years, 15 weeks, 2 days, 1 hour, 49 minutes, 21 seconds.
• To count from 1 to 21,094,388,156,961 would take you about one million, six hundred seventy-six thousand, eight hundred forty 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 21094388156961 cubic inches would be around 2302.5 feet tall.

Recreational maths with 21094388156961

• 21094388156961 backwards is 16965188349012
• 21094388156961 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21094388156961's digits is 63
• More coming soon!