21007903444164

Names of 21007903444164

• Cardinal: 21007903444164 can be written as Twenty-one trillion, seven billion, nine hundred three million, four hundred forty-four thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.1007903444164 × 10¹³

Factors of 21007903444164

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10326407

Divisors of 21007903444164

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 23 26 27 28 36 39 42 46 52 54 63 69 78 81 84 91 92 108 117 126 138 156 161 162 182 189 207 234 243 252 273 276 299 322 324 351 364 378 414 468 483 486 546 567 598 621 644 702 756 819 828 897 966 972 1053 1092 1134 1196 1242 1404 1449 1638 1701 1794 1863 1932 2093 2106 2268 2457 2484 2691 2898 3159 3276 3402 3588 3726 4186 4212 4347 4914 5382 5589 5796 6279 6318 6804 7371 7452 8073 8372 8694 9828 10764 11178 12558 12636 13041 14742 16146 17388 18837 22113 22356 24219 25116 26082 29484 32292 37674 39123 44226 48438 52164 56511 72657 75348 78246 88452 96876 113022 145314 156492 169533 226044 290628 339066 508599 678132 1017198 2034396 10326359 20652718 30979077 41305436 61958154 72284513 92937231 123916308 134242667 144569026 185874462 216853539 237506257 268485334 278811693 289138052 371748924 402728001 433707078 475012514 536970668 557623386 650560617 712518771 805456002 836435079 867414156 939698669 950025028 1115246772 1208184003 1301121234 1425037542 1610912004 1662543799 1672870158 1879397338 1951681851 2137556313 2416368006 2509305237 2602242468 2819096007 2850075084 3087581341 3325087598 3345740316 3624552009 3758794676 3903363702 4275112626 4832736012 4987631397 5018610474 5638192014 5855045553 6175162682 6412668939 6650175196 7249104018 7806727404 8457288021 8550225252 9262744023 9975262794 10037220948 10873656027 11276384028 11710091106 12350325364 12825337878 14498208036 14962894191 16914576042 17565136659 18525488046 19238006817 19950525588 21613069387 21747312054 23420182212 25371864063 25650675756 27788232069 29925788382 32620968081 33829152084 35130273318 37050976092 38476013634 43226138774 43494624108 44888682573 50743728126 55576464138 57714020451 59851576764 64839208161 65241936162 70260546636 76115592189 76952027268 83364696207 86452277548 89777365146 101487456252 111152928276 115428040902 129678416322 130483872324 134666047719 152231184378 166729392414 179554730292 194517624483 228346776567 230856081804 250094088621 259356832644 269332095438 304462368756 333458784828 389035248966 403998143157 456693553134 500188177242 538664190876 583552873449 750282265863 778070497932 807996286314 913387106268 1000376354484 1167105746898 1500564531726 1615992572628 1750658620347 2334211493796 3001129063452 3501317240694 5251975861041 7002634481388 10503951722082 21007903444164
• Sum of all divisors σ(n): 70725487472640
• Sum of proper divisors (its aliquot sum) s(n): 49717584028476
• 21007903444164 is an abundant number, because the sum of its proper divisors (49717584028476) is greater than itself. Its abundance is 28709680584312

Bases of 21007903444164

• Binary: 100110001101101001000100111110100110011000100₂
• Hexadecimal: 0x131B489F4CC4
• Base-36: 7G2WBAW90

Squares and roots of 21007903444164

• 21007903444164 squared (21007903444164²) is 441332007119317653465658896
• 21007903444164 cubed (21007903444164³) is 9271460192381724300338782152176005882944
• The square root of 21007903444164 is 4583437.9502905895
• The cube root of 21007903444164 is 27592.7024413163

Scales and comparisons

• 21,007,903,444,164 seconds is equal to 667,986 years, 18 weeks, 14 hours, 29 minutes, 24 seconds.
• To count from 1 to 21,007,903,444,164 would take you about one million, six hundred sixty-nine thousand, nine hundred sixty-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 21007903444164 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007903444164

• 21007903444164 backwards is 46144430970012
• The number of decimal digits it has is: 14
• The sum of 21007903444164's digits is 45
• More coming soon!