21478924849746

Names of 21478924849746

• Cardinal: 21478924849746 can be written as Twenty-one trillion, four hundred seventy-eight billion, nine hundred twenty-four million, eight hundred forty-nine thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 2.1478924849746 × 10¹³

Factors of 21478924849746

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 223

Divisors of 21478924849746

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 13 14 19 21 26 38 39 42 57 78 91 114 133 179 182 247 266 273 358 361 399 494 537 546 722 741 798 1074 1083 1253 1482 1729 2166 2327 2506 2527 3401 3458 3759 4654 4693 5054 5187 6802 6859 6981 7518 7581 9386 10203 10374 13718 13962 14079 15162 16289 20406 20577 23807 28158 32041 32578 32851 41154 44213 47614 48013 48867 64082 64619 65702 71421 88426 89167 96026 96123 97734 98553 129238 132639 142842 144039 178334 192246 193857 197106 224287 265278 267501 288078 309491 387714 416533 448574 452333 535002 608779 618982 624169 672861 833066 840047 904666 928473 1217558 1227761 1248338 1249599 1345722 1356999 1680094 1826337 1856946 1872507 2455522 2499198 2520141 2713998 2915731 3652674 3683283 3745014 4261453 5040282 5735339 5831462 5880329 7366566 7914127 8522906 8594327 8747193 11470678 11566801 11760658 12784359 15828254 15960893 17188654 17206017 17494386 17640987 23133602 23742381 25568718 25782981 31921786 34412034 34700403 35281974 40147373 47484762 47882679 51565962 55398889 69400806 74559407 80294746 80967607 95765358 108971441 110797778 111726251 120442119 149118814 150368413 161935214 166196667 217942882 219769219 223452502 223678221 240884238 242902821 300736826 326914323 332393334 335178753 439538438 447356442 451105239 485805642 521915849 653828646 659307657 670357506 762800087 902210478 1043831698 1052578891 1318615314 1416628733 1525600174 1538384533 1565747547 2070457379 2105157782 2288400261 2833257466 2856999847 3076769066 3131495094 3157736673 4140914758 4249886199 4576800522 4615153599 5713999694 6211372137 6315473346 8499772398 8570999541 9230307198 9916401131 12422744274 14493201653 17141999082 19832802262 19998998929 26915945927 28986403306 29749203393 39338690201 39997997858 43479604959 53831891854 59498406786 59996996787 78677380402 80747837781 86959209918 118016070603 119993993574 161495675562 188411621489 236032141206 275370831407 376823242978 511402972613 550741662814 565234864467 826112494221 1022805945226 1130469728934 1534208917839 1652224988442 3068417835678 3579820808291 7159641616582 10739462424873 21478924849746
• Sum of all divisors σ(n): 56121588633600
• Sum of proper divisors (its aliquot sum) s(n): 34642663783854
• 21478924849746 is an abundant number, because the sum of its proper divisors (34642663783854) is greater than itself. Its abundance is 13163738934108

Bases of 21478924849746

• Binary: 100111000100011110011101011111001001001010010₂
• Hexadecimal: 0x1388F3AF9252
• Base-36: 7M3A5AATU

Squares and roots of 21478924849746

• 21478924849746 squared (21478924849746²) is 461344212701036228676264516
• 21478924849746 cubed (21478924849746³) is 9909177674470791242838837315801851412936
• The square root of 21478924849746 is 4634536.0986560457
• The cube root of 21478924849746 is 27797.4001889401

Scales and comparisons

• 21,478,924,849,746 seconds is equal to 682,963 years, 19 weeks, 2 days, 5 hours, 49 minutes, 6 seconds.
• To count from 1 to 21,478,924,849,746 would take you about one million, seven hundred seven thousand, four hundred 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 21478924849746 cubic inches would be around 2316.5 feet tall.

Recreational maths with 21478924849746

• 21478924849746 backwards is 64794842987412
• The number of decimal digits it has is: 14
• The sum of 21478924849746's digits is 75
• More coming soon!