21215182067321

Names of 21215182067321

• Cardinal: 21215182067321 can be written as Twenty-one trillion, two hundred fifteen billion, one hundred eighty-two million, sixty-seven thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.1215182067321 × 10¹³

Factors of 21215182067321

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 90

Divisors of 21215182067321

• Number of divisors d(n): 160
• Complete list of divisors:
  1 11 17 19 43 121 187 209 289 323 361 473 731 817 1331 2057 2299 3179 3553 3971 4913 5203 5491 6137 6859 8041 8987 12427 13889 14641 15523 22627 25289 34969 39083 43681 54043 57233 60401 67507 75449 88451 93347 98857 104329 116603 136697 152779 170753 211259 236113 248897 263891 278179 294937 384659 429913 480491 594473 629563 664411 742577 829939 972961 1026817 1087427 1147619 1282633 1503667 1680569 1773593 1878283 1982251 2323849 2597243 2902801 3244307 4013921 4231249 4486147 4729043 5013929 5285401 6539203 7308521 8168347 9129329 10702571 11294987 11961697 12623809 14108963 16540337 18486259 19509523 20661113 21804761 25562339 28569673 31930811 33698267 35687377 44153131 49347617 55153219 71931233 76264499 80393731 85236793 89851817 100422619 124244857 138861899 155198593 181943707 203348849 214604753 227272243 239852371 281185729 314266403 351238921 370680937 392561147 485684441 542823787 606685409 838909489 937604723 1366693427 1449025481 1527480889 1707184523 2360652283 2638376081 3093043019 3456930433 3863628131 4077490307 4318172617 5342528851 5971061657 6673539499 9228004379 10313651953 15939280291 25967175113 29022136891 44852393377 58767817361 65681678227 73408934489 101508048169 113450171483 175332083201 493376327147 1116588529859 1247951886313 1928652915211 21215182067321
• Sum of all divisors σ(n): 26780733936000
• Sum of proper divisors (its aliquot sum) s(n): 5565551868679
• 21215182067321 is a deficient number, because the sum of its proper divisors (5565551868679) is less than itself. Its deficiency is 15649630198642

Bases of 21215182067321

• Binary: 100110100101110001011011001000001011001111001₂
• Hexadecimal: 0x134B8B641679
• Base-36: 7IQ4BN5H5

Squares and roots of 21215182067321

• 21215182067321 squared (21215182067321²) is 450083950149578539376117041
• 21215182067321 cubed (21215182067321³) is 9548612948002337544178266327456037317161
• The square root of 21215182067321 is 4605994.1453850113
• The cube root of 21215182067321 is 27683.1552141261

Scales and comparisons

• 21,215,182,067,321 seconds is equal to 674,577 years, 8 weeks, 4 days, 17 hours, 48 minutes, 41 seconds.
• To count from 1 to 21,215,182,067,321 would take you about one million, six hundred eighty-six thousand, four hundred forty-two 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 21215182067321 cubic inches would be around 2306.9 feet tall.

Recreational maths with 21215182067321

• 21215182067321 backwards is 12376028151212
• The number of decimal digits it has is: 14
• The sum of 21215182067321's digits is 41
• More coming soon!