21001284134660

Names of 21001284134660

• Cardinal: 21001284134660 can be written as Twenty-one trillion, one billion, two hundred eighty-four million, one hundred thirty-four thousand, six hundred sixty.

Scientific notation

• Scientific notation: 2.100128413466 × 10¹³

Factors of 21001284134660

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 46508

Divisors of 21001284134660

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 17 20 29 34 43 58 68 85 86 116 145 170 172 215 290 340 430 493 580 731 860 986 1093 1247 1462 1972 2186 2465 2494 2924 3655 4372 4930 4988 5465 6235 7310 9860 10930 12470 14620 18581 21199 21860 24940 31697 37162 42398 45319 46999 63394 74324 84796 90638 92905 93998 105995 126788 158485 181276 185810 187996 211990 226595 234995 316970 371620 423980 453190 469990 538849 633940 770423 798983 906380 939980 1077698 1314251 1362971 1540846 1597966 1948717 2155396 2628502 2694245 2725942 3081692 3195932 3852115 3897434 3994915 5257004 5388490 5451884 6571255 6814855 7704230 7794868 7989830 9743585 10776980 13142510 13629710 15408460 15979660 19487170 22342267 23170507 26285020 27259420 33128189 38974340 44684534 46341014 49533667 56512793 66256378 89369068 92682028 99067334 111711335 113025586 115852535 132512756 165640945 198134668 223422670 226051172 231705070 247668335 282563965 331281890 446845340 463410140 495336670 565127930 662563780 842072339 960717481 990673340 1130255860 1436476343 1684144678 1921434962 2129947681 2872952686 3368289356 3842869924 4210361695 4259895362 4803587405 5745905372 7182381715 8420723390 8519790724 9607174810 10649738405 14364763430 16841446780 19214349620 21299476810 24420097831 28729526860 36209110577 42598953620 48840195662 61768482749 72418221154 97680391324 122100489155 123536965498 144836442308 181045552885 244200978310 247073930996 308842413745 362091105770 488401956620 617684827490 724182211540 1050064206733 1235369654980 2100128413466 4200256826932 5250321033665 10500642067330 21001284134660
• Sum of all divisors σ(n): 49476953433600
• Sum of proper divisors (its aliquot sum) s(n): 28475669298940
• 21001284134660 is an abundant number, because the sum of its proper divisors (28475669298940) is greater than itself. Its abundance is 7474385164280

Bases of 21001284134660

• Binary: 100110001100110111110000101001010011100000100₂
• Hexadecimal: 0x1319BE14A704
• Base-36: 7FZUUC4CK

Squares and roots of 21001284134660

• 21001284134660 squared (21001284134660²) is 441053935304721825013315600
• 21001284134660 cubed (21001284134660³) is 9262699014044412516236785653523478696000
• The square root of 21001284134660 is 4582715.8033921325
• The cube root of 21001284134660 is 27589.8041063427

Scales and comparisons

• 21,001,284,134,660 seconds is equal to 667,775 years, 45 weeks, 3 days, 5 hours, 24 minutes, 20 seconds.
• To count from 1 to 21,001,284,134,660 would take you about one million, six hundred sixty-nine thousand, four hundred thirty-nine 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 21001284134660 cubic inches would be around 2299.2 feet tall.

Recreational maths with 21001284134660

• 21001284134660 backwards is 06643148210012
• The number of decimal digits it has is: 14
• The sum of 21001284134660's digits is 38
• More coming soon!