21251428141320

Names of 21251428141320

• Cardinal: 21251428141320 can be written as Twenty-one trillion, two hundred fifty-one billion, four hundred twenty-eight million, one hundred forty-one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.125142814132 × 10¹³

Factors of 21251428141320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 32205059

Divisors of 21251428141320

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 47 52 54 60 65 72 78 90 94 104 108 117 120 130 135 141 156 180 188 195 216 234 235 260 270 282 312 351 360 376 390 423 468 470 520 540 564 585 611 702 705 780 846 936 940 1080 1128 1170 1222 1269 1404 1410 1560 1692 1755 1833 1880 2115 2340 2444 2538 2808 2820 3055 3384 3510 3666 4230 4680 4888 5076 5499 5640 6110 6345 7020 7332 8460 9165 10152 10998 12220 12690 14040 14664 16497 16920 18330 21996 24440 25380 27495 32994 36660 43992 50760 54990 65988 73320 82485 109980 131976 164970 219960 329940 659880 32204989 64409978 96614967 128819956 161024945 193229934 257639912 289844901 322049890 386459868 418664857 483074835 579689802 644099780 772919736 837329714 869534703 966149670 1159379604 1255994571 1288199560 1449224505 1513634483 1674659428 1739069406 1932299340 2093324285 2318759208 2511989142 2898449010 3027268966 3349318856 3478138812 3767983713 3864598680 4186648570 4347673515 4540903449 5023978284 5796898020 6054537932 6279972855 6956277624 7535967426 7568172415 8373297140 8695347030 9081806898 10047956568 11303951139 11593796040 12109075864 12559945710 13622710347 15071934852 15136344830 16746594280 17390694060 18163613796 18839918565 19677248279 22607902278 22704517245 25119891420 27245420694 30143869704 30272689660 34781388120 36327227592 37679837130 39354496558 40868131041 45215804556 45409034490 50239782840 54490841388 56519755695 59031744837 60545379320 68113551735 75359674260 78708993116 81736262082 90431609112 90818068980 98386241395 108981682776 113039511390 118063489674 136227103470 150719348520 157417986232 163472524164 177095234511 181636137960 196772482790 204340655205 226079022780 236126979348 272454206940 295158724185 326945048328 354190469022 393544965580 408681310410 452158045560 472253958696 531285703533 544908413880 590317448370 708380938044 787089931160 817362620820 885476172555 1062571407066 1180634896740 1416761876088 1634725241640 1770952345110 2125142814132 2361269793480 2656428517665 3541904690220 4250285628264 5312857035330 7083809380440 10625714070660 21251428141320
• Sum of all divisors σ(n): 77910311808000
• Sum of proper divisors (its aliquot sum) s(n): 56658883666680
• 21251428141320 is an abundant number, because the sum of its proper divisors (56658883666680) is greater than itself. Its abundance is 35407455525360

Bases of 21251428141320

• Binary: 100110101001111111011110100110100100100001000₂
• Hexadecimal: 0x1353FBD34908
• Base-36: 7J6RRMB60

Squares and roots of 21251428141320

• 21251428141320 squared (21251428141320²) is 451623198045687629891342400
• 21251428141320 cubed (21251428141320³) is 9597637940221061724943086693191707968000
• The square root of 21251428141320 is 4609927.1297190805
• The cube root of 21251428141320 is 27698.9117729981

Scales and comparisons

• 21,251,428,141,320 seconds is equal to 675,729 years, 35 weeks, 2 days, 11 hours, 42 minutes.
• To count from 1 to 21,251,428,141,320 would take you about one million, six hundred eighty-nine thousand, three hundred twenty-four 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 21251428141320 cubic inches would be around 2308.2 feet tall.

Recreational maths with 21251428141320

• 21251428141320 backwards is 02314182415212
• 21251428141320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21251428141320's digits is 36
• More coming soon!