21306609669888

Names of 21306609669888

• Cardinal: 21306609669888 can be written as Twenty-one trillion, three hundred six billion, six hundred nine million, six hundred sixty-nine thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1306609669888 × 10¹³

Factors of 21306609669888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4036630

Divisors of 21306609669888

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 79 87 96 116 128 144 158 174 192 232 237 256 261 288 316 348 384 464 474 522 576 632 696 711 768 928 948 1044 1152 1264 1392 1422 1856 1896 2088 2291 2304 2528 2784 2844 3712 3792 4176 4582 5056 5568 5688 6873 7424 7584 8352 9164 10112 11136 11376 13746 15168 16704 18328 20224 20619 22272 22752 27492 30336 33408 36656 41238 45504 54984 60672 66816 73312 82476 91008 109968 146624 164952 182016 219936 293248 329904 439872 586496 659808 879744 1319616 1759488 2639232 4036517 5278464 8073034 12109551 16146068 24219102 32292136 36328653 48438204 64584272 72657306 96876408 117058993 129168544 145314612 193752816 234117986 258337088 290629224 318884843 351176979 387505632 468235972 516674176 581258448 637769686 702353958 775011264 936471944 956654529 1033348352 1053530937 1162516896 1275539372 1404707916 1550022528 1872943888 1913309058 2107061874 2325033792 2551078744 2809415832 2869963587 3100045056 3745887776 3826618116 4214123748 4650067584 5102157488 5618831664 5739927174 7491775552 7653236232 8428247496 9247660447 9300135168 10204314976 11237663328 11479854348 14983551104 15306472464 16856494992 18495320894 20408629952 22475326656 22959708696 27742981341 29967102208 30612944928 33712989984 36990641788 40817259904 44950653312 45919417392 55485962682 61225889856 67425979968 73981283576 81634519808 83228944023 89901306624 91838834784 110971925364 122451779712 134851959936 147962567152 166457888046 183677669568 221943850728 244903559424 269703919872 295925134304 332915776092 367355339136 443887701456 591850268608 665831552184 734710678272 887775402912 1183700537216 1331663104368 1775550805824 2367401074432 2663326208736 3551101611648 5326652417472 7102203223296 10653304834944 21306609669888
• Sum of all divisors σ(n): 64355013777600
• Sum of proper divisors (its aliquot sum) s(n): 43048404107712
• 21306609669888 is an abundant number, because the sum of its proper divisors (43048404107712) is greater than itself. Its abundance is 21741794437824

Bases of 21306609669888

• Binary: 100110110000011010100111001101001011100000000₂
• Hexadecimal: 0x1360D4E69700
• Base-36: 7JW4D9Z40

Squares and roots of 21306609669888

• 21306609669888 squared (21306609669888²) is 453971615624964828333932544
• 21306609669888 cubed (21306609669888³) is 9672596015329553883839661070344700035072
• The square root of 21306609669888 is 4615908.3255506711
• The cube root of 21306609669888 is 27722.8654142049

Scales and comparisons

• 21,306,609,669,888 seconds is equal to 677,484 years, 14 weeks, 4 days, 14 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,306,609,669,888 would take you about one million, six hundred ninety-three thousand, seven hundred ten 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 21306609669888 cubic inches would be around 2310.2 feet tall.

Recreational maths with 21306609669888

• 21306609669888 backwards is 88896690660312
• 21306609669888 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21306609669888's digits is 72
• More coming soon!