21453387301801

Names of 21453387301801

• Cardinal: 21453387301801 can be written as Twenty-one trillion, four hundred fifty-three billion, three hundred eighty-seven million, three hundred one thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1453387301801 × 10¹³

Factors of 21453387301801

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6324

Divisors of 21453387301801

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 13 31 49 91 109 127 169 217 403 637 763 889 1183 1417 1519 1651 2821 3379 3937 5239 5341 6037 6223 8281 9919 11557 13843 18421 19747 21463 23653 27559 36673 42259 43927 51181 69433 78481 80899 96901 128947 150241 165571 179959 187147 192913 256711 295813 307489 358267 429133 549367 571051 658033 665353 678307 766699 902629 1020253 1051687 1259713 1310029 2152423 2339467 2432911 2507869 3003931 3845569 3997357 4606231 4657471 5366893 5578729 7141771 8554429 8817991 9170203 9967087 16376269 17030377 20399023 21027517 23767669 27981499 31627843 32243617 32602297 37568251 39051103 49992397 59881003 69769609 72523477 83570191 111207577 114633883 119212639 129572131 142793161 166373683 221394901 265187299 273357721 308979697 419167021 488387263 507664339 584991337 778453039 907004917 999552127 1086412483 1164615781 1549764307 1856311093 2162857879 2590675921 3447434887 3553650373 4016736061 4094939359 5449171273 6349034419 7604887381 12994177651 14123362279 15140005153 18134731447 24132044209 28117152427 33678786973 53234211667 98863535953 126943120129 168924309463 196820066989 235751508811 437824230649 692044751671 1650260561677 3064769614543 21453387301801
• Sum of all divisors σ(n): 28377340231680
• Sum of proper divisors (its aliquot sum) s(n): 6923952929879
• 21453387301801 is a deficient number, because the sum of its proper divisors (6923952929879) is less than itself. Its deficiency is 14529434371922

Bases of 21453387301801

• Binary: 100111000001100000001100001111000001110101001₂
• Hexadecimal: 0x1383018783A9
• Base-36: 7LRJSW0Q1

Squares and roots of 21453387301801

• 21453387301801 squared (21453387301801²) is 460247826721076391057843601
• 21453387301801 cubed (21453387301801³) is 9873874881459447226174834055374843625401
• The square root of 21453387301801 is 4631780.1439404483
• The cube root of 21453387301801 is 27786.3791692001

Scales and comparisons

• 21,453,387,301,801 seconds is equal to 682,151 years, 18 weeks, 3 days, 18 hours, 30 minutes, 1 second.
• To count from 1 to 21,453,387,301,801 would take you about one million, seven hundred five thousand, three hundred seventy-eight 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 21453387301801 cubic inches would be around 2315.5 feet tall.

Recreational maths with 21453387301801

• 21453387301801 backwards is 10810378335412
• The number of decimal digits it has is: 14
• The sum of 21453387301801's digits is 46
• More coming soon!