21134349720

Names of 21134349720

• Cardinal: 21134349720 can be written as Twenty-one billion, one hundred thirty-four million, three hundred forty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.113434972 × 10¹⁰

Factors of 21134349720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2644

Divisors of 21134349720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 29 30 33 36 40 44 45 55 58 60 66 72 73 87 88 90 99 110 116 120 132 145 146 165 174 180 198 219 220 232 261 264 290 292 319 330 348 360 365 396 435 438 440 495 522 580 584 638 657 660 696 730 792 803 870 876 957 990 1044 1095 1160 1276 1305 1314 1320 1460 1595 1606 1740 1752 1914 1980 2088 2117 2190 2409 2521 2552 2610 2628 2871 2920 3190 3212 3285 3480 3828 3960 4015 4234 4380 4785 4818 5042 5220 5256 5742 6351 6380 6424 6570 7227 7563 7656 8030 8468 8760 9570 9636 10084 10440 10585 11484 12045 12605 12702 12760 13140 14355 14454 15126 16060 16936 19053 19140 19272 20168 21170 22689 22968 23287 24090 25210 25404 26280 27731 28710 28908 30252 31755 32120 36135 37815 38106 38280 42340 45378 46574 48180 50420 50808 55462 57420 57816 60504 63510 69861 72270 73109 75630 76212 83193 84680 90756 93148 95265 96360 100840 110924 113445 114840 116435 127020 138655 139722 144540 146218 151260 152424 166386 181512 184033 186296 190530 209583 219327 221848 226890 232870 249579 254040 277310 279444 289080 292436 302520 332772 349305 365545 368066 381060 415965 419166 438654 453780 465740 499158 552099 554620 558888 584872 657981 665544 698610 731090 736132 762120 804199 831930 838332 877308 907560 920165 931480 998316 1047915 1096635 1104198 1109240 1247895 1315962 1397220 1462180 1472264 1608398 1656297 1663860 1676664 1754616 1840330 1996632 2024363 2095830 2193270 2208396 2412597 2495790 2631924 2760495 2794440 2924360 3216796 3289905 3312594 3327720 3680660 4020995 4048726 4191660 4386540 4416792 4825194 4991580 5263848 5336957 5520990 6073089 6433592 6579810 6625188 7237791 7361320 8041990 8097452 8281485 8383320 8773080 9650388 9983160 10121815 10673914 11041980 12062985 12146178 13159620 13250376 14475582 16010871 16083980 16194904 16562970 18219267 19300776 20243630 21347828 22083960 24125970 24292356 26319240 26684785 28951164 30365445 32021742 32167960 33125940 36188955 36438534 40487260 42695656 48032613 48251940 48584712 53369570 57902328 58706527 60730890 64043484 66251880 72377910 72877068 80054355 80974520 91096335 96065226 96503880 106739140 117413054 121461780 128086968 144755820 145754136 160108710 176119581 182192670 192130452 213478280 234826108 240163065 242923560 289511640 293532635 320217420 352239162 364385340 384260904 469652216 480326130 528358743 587065270 640434840 704478324 728770680 880597905 960652260 1056717486 1174130540 1408956648 1761195810 1921304520 2113434972 2348261080 2641793715 3522391620 4226869944 5283587430 7044783240 10567174860 21134349720
• Sum of all divisors σ(n): 78607713600
• Sum of proper divisors (its aliquot sum) s(n): 57473363880
• 21134349720 is an abundant number, because the sum of its proper divisors (57473363880) is greater than itself. Its abundance is 36339014160

Bases of 21134349720

• Binary: 10011101011101101001001010110011000₂
• Hexadecimal: 0x4EBB49598
• Base-36: 9PIUGM0

Squares and roots of 21134349720

• 21134349720 squared (21134349720²) is 446660738087264078400
• 21134349720 cubed (21134349720³) is 9439884244929562910899098048000
• The square root of 21134349720 is 145376.5789940043
• The cube root of 21134349720 is 2764.7951770337

Scales and comparisons

• 21,134,349,720 seconds is equal to 672 years, 2 days, 12 hours, 42 minutes.
• To count from 1 to 21,134,349,720 would take you about one thousand, three hundred forty-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 21134349720 cubic inches would be around 230.4 feet tall.

Recreational maths with 21134349720

• 21134349720 backwards is 02794343112
• 21134349720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21134349720's digits is 36
• More coming soon!