21590967420

Names of 21590967420

• Cardinal: 21590967420 can be written as Twenty-one billion, five hundred ninety million, nine hundred sixty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.159096742 × 10¹⁰

Factors of 21590967420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3258

Divisors of 21590967420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 31 33 36 37 44 45 54 55 60 62 66 74 90 93 99 108 110 111 124 132 135 148 155 165 180 185 186 198 220 222 270 279 297 310 330 333 341 370 372 396 407 444 465 495 540 555 558 594 620 660 666 682 740 814 837 930 990 999 1023 1110 1116 1147 1188 1221 1332 1364 1395 1485 1628 1665 1674 1705 1860 1980 1998 2035 2046 2220 2294 2442 2790 2970 3069 3169 3330 3348 3410 3441 3663 3996 4070 4092 4185 4588 4884 4995 5115 5580 5735 5940 6105 6138 6338 6660 6820 6882 7326 8140 8370 9207 9507 9990 10230 10323 10989 11470 12210 12276 12617 12676 13764 14652 15345 15845 16740 17205 18315 18414 19014 19980 20460 20646 21978 22940 24420 25234 28521 30690 30969 31690 34410 34859 36630 36828 37851 38028 41292 43956 46035 47535 50468 51615 54945 57042 61380 61938 63085 63380 68820 69718 73260 75702 85563 92070 95070 98239 103230 104577 109890 113553 114084 117253 123876 126170 139436 142605 151404 154845 171126 174295 184140 189255 190140 196478 206460 209154 219780 227106 234506 252340 285210 294717 309690 313731 340659 342252 348590 351759 378510 392956 418308 427815 454212 469012 491195 522885 567765 570420 586265 589434 619380 627462 681318 697180 703518 757020 855630 884151 941193 982390 1045770 1055277 1080629 1135530 1172530 1178868 1254924 1289783 1362636 1407036 1473585 1568655 1703295 1711260 1758795 1768302 1882386 1964780 2091540 2110554 2161258 2271060 2345060 2579566 2652453 2947170 3137310 3165831 3241887 3406590 3517590 3536604 3634843 3764772 3869349 4221108 4322516 4420755 4705965 5159132 5276385 5304906 5403145 5894340 6274620 6331662 6448915 6483774 6813180 7035180 7269686 7738698 8841510 9411930 9725661 10552770 10609812 10806290 10904529 11608047 12663324 12897830 12967548 13262265 14539372 15477396 15829155 16209435 17683020 18174215 18823860 19346745 19451322 21105540 21612580 21809058 23216094 25795660 26524530 29176983 31658310 32418870 32713587 34824141 36348430 38693490 38902644 39983273 43618116 46432188 48628305 53049060 54522645 58040235 58353966 63316620 64837740 65427174 69648282 72696860 77386980 79966546 97256610 98140761 109045290 116080470 116707932 119949819 130854348 139296564 145884915 159933092 163567935 174120705 194513220 196281522 199916365 218090580 232160940 239899638 291769830 327135870 348241410 359849457 392563044 399832730 479799276 490703805 583539660 599749095 654271740 696482820 719698914 799665460 981407610 1079548371 1199498190 1439397828 1799247285 1962815220 2159096742 2398996380 3598494570 4318193484 5397741855 7196989140 10795483710 21590967420
• Sum of all divisors σ(n): 77711155200
• Sum of proper divisors (its aliquot sum) s(n): 56120187780
• 21590967420 is an abundant number, because the sum of its proper divisors (56120187780) is greater than itself. Its abundance is 34529220360

Bases of 21590967420

• Binary: 10100000110111011000000010001111100₂
• Hexadecimal: 0x506EC047C
• Base-36: 9X2PD30

Squares and roots of 21590967420

• 21590967420 squared (21590967420²) is 466169874131501456400
• 21590967420 cubed (21590967420³) is 10065058564558748740814950488000
• The square root of 21590967420 is 146938.6518925501
• The cube root of 21590967420 is 2784.5650467613

Scales and comparisons

• 21,590,967,420 seconds is equal to 686 years, 27 weeks, 2 days, 10 hours, 57 minutes.
• To count from 1 to 21,590,967,420 would take you about one thousand, three hundred seventy-three 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 21590967420 cubic inches would be around 232 feet tall.

Recreational maths with 21590967420

• 21590967420 backwards is 02476909512
• 21590967420 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21590967420's digits is 45
• More coming soon!