21349293680

Names of 21349293680

• Cardinal: 21349293680 can be written as Twenty-one billion, three hundred forty-nine million, two hundred ninety-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.134929368 × 10¹⁰

Factors of 21349293680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2074

Divisors of 21349293680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 23 26 40 41 44 46 52 55 65 80 82 88 92 104 110 115 130 143 164 176 184 205 208 220 230 253 260 286 299 328 368 410 440 451 460 506 520 533 572 598 656 715 820 880 902 920 943 1012 1040 1066 1144 1196 1265 1430 1495 1640 1804 1840 1886 1979 2024 2132 2255 2288 2392 2530 2665 2860 2990 3280 3289 3608 3772 3958 4048 4264 4510 4715 4784 5060 5330 5720 5863 5980 6578 7216 7544 7916 8528 9020 9430 9895 10120 10373 10660 11440 11726 11960 12259 13156 15088 15832 16445 18040 18860 19790 20240 20746 21320 21769 23452 23920 24518 25727 26312 29315 31664 32890 36080 37720 39580 41492 42640 43538 45517 46904 49036 51454 51865 52624 58630 61295 65780 75440 79160 81139 82984 87076 91034 93808 98072 102908 103730 108845 117260 122590 128635 131560 134849 158320 162278 165968 174152 182068 196144 205816 207460 217690 227585 234520 245180 257270 263120 269698 282997 324556 348304 364136 405695 411632 414920 435380 455170 469040 490360 500687 514540 539396 565994 591721 649112 674245 728272 811390 829840 870760 892529 910340 980720 1001374 1029080 1054807 1078792 1131988 1183442 1298224 1348490 1414985 1622780 1741520 1785058 1820680 1866197 2002748 2058160 2109614 2157584 2263976 2366884 2503435 2696980 2829970 2958605 3245560 3570116 3641360 3732394 4005496 4219228 4462645 4527952 4733768 5006870 5274035 5393960 5659940 5917210 6491120 6508931 7140232 7464788 8010992 8438456 8925290 9330985 9467536 10013740 10548070 10787920 11319880 11602877 11834420 13017862 14280464 14929576 16876912 17850580 18661970 20027480 20528167 21096140 22639760 23205754 23668840 24260561 26035724 29859152 32544655 35701160 37323940 40054960 41056334 42192280 46411508 47337680 48521122 52071448 58014385 65089310 71402320 74647880 82112668 84384560 92823016 97042244 102640835 104142896 116028770 121302805 130178620 149295760 164225336 185646032 194084488 205281670 232057540 242605610 260357240 266866171 328450672 388168976 410563340 464115080 485211220 520714480 533732342 821126680 928230160 970422440 1067464684 1334330855 1642253360 1940844880 2134929368 2668661710 4269858736 5337323420 10674646840 21349293680
• Sum of all divisors σ(n): 62366008320
• Sum of proper divisors (its aliquot sum) s(n): 41016714640
• 21349293680 is an abundant number, because the sum of its proper divisors (41016714640) is greater than itself. Its abundance is 19667420960

Bases of 21349293680

• Binary: 10011111000100001000101111001110000₂
• Hexadecimal: 0x4F8845E70
• Base-36: 9T2TGFK

Squares and roots of 21349293680

• 21349293680 squared (21349293680²) is 455792340634887942400
• 21349293680 cubed (21349293680³) is 9730844537308820336188524032000
• The square root of 21349293680 is 146113.9749647515
• The cube root of 21349293680 is 2774.1365678859

Scales and comparisons

• 21,349,293,680 seconds is equal to 678 years, 43 weeks, 5 days, 7 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,349,293,680 would take you about one thousand, three hundred fifty-seven 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 21349293680 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349293680

• 21349293680 backwards is 08639294312
• The number of decimal digits it has is: 11
• The sum of 21349293680's digits is 47
• More coming soon!