21521132325

Names of 21521132325

• Cardinal: 21521132325 can be written as Twenty-one billion, five hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty-five.

Scientific notation

• Scientific notation: 2.1521132325 × 10¹⁰

Factors of 21521132325

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 113

Divisors of 21521132325

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 5 7 9 11 15 19 21 25 27 31 33 35 37 45 55 57 63 75 77 93 95 99 105 111 133 135 155 165 171 175 185 189 209 217 225 231 259 275 279 285 297 315 333 341 361 385 399 407 465 475 495 513 525 555 589 627 651 665 675 693 703 775 777 825 837 855 925 945 999 1023 1045 1083 1085 1147 1155 1197 1221 1295 1395 1425 1463 1485 1575 1665 1705 1767 1805 1881 1925 1953 1995 2035 2079 2109 2325 2331 2387 2475 2527 2565 2775 2849 2945 3069 3135 3249 3255 3325 3441 3465 3515 3591 3663 3885 3971 4123 4185 4275 4389 4725 4921 4995 5115 5225 5301 5415 5425 5643 5735 5775 5859 5985 6105 6327 6475 6479 6975 6993 7161 7315 7425 7581 7733 8029 8325 8525 8547 8835 9025 9207 9405 9747 9765 9975 10175 10323 10395 10545 10989 11191 11655 11913 11935 12369 12617 12635 12825 13167 13357 14245 14725 14763 15345 15675 15903 16245 16275 17205 17325 17575 17955 18315 18981 19425 19437 19855 20615 20925 21483 21793 21945 22743 23199 24087 24605 24975 25575 25641 26505 27075 27797 28215 28675 29295 29925 30525 30969 31635 32395 33573 34965 35739 35805 36575 37107 37851 37905 38665 39501 40071 40145 42735 44175 44289 45353 46035 47025 48735 48825 51615 51975 52725 54131 54945 55955 58275 58311 59565 59675 61845 63085 63175 64449 65379 65835 66785 68229 69597 71225 72261 73815 76725 76923 78337 79515 81225 83391 86025 88319 89775 91575 93499 94905 97185 99275 100719 103075 107217 107415 108965 109725 111321 113553 113715 115995 120213 120435 123025 123101 128205 132525 132867 136059 138985 141075 146475 146927 152551 154845 158175 161975 162393 167865 174825 174933 178695 179025 185535 189255 189525 193325 196137 197505 200355 200725 208791 213675 216783 221445 226765 230175 235011 239723 243675 250173 258075 264957 270655 274725 279775 280497 291555 297825 302157 309225 315425 322245 326895 329175 333925 340659 341145 347985 360639 361305 369075 369303 384615 391685 397575 408177 414067 416955 440781 441595 457653 467495 474525 485925 487179 503595 536085 537075 544825 556605 567765 568575 579975 588411 601065 602175 615505 641025 664335 680295 694925 705033 719169 734635 750519 762755 774225 794871 811965 839325 841491 861707 874665 893475 927675 946275 980685 987525 1001775 1028489 1043955 1083915 1107225 1107909 1133825 1175055 1198615 1224531 1242201 1250865 1322343 1324785 1353275 1372959 1402485 1457775 1461537 1510785 1611225 1634475 1678061 1703295 1705725 1739925 1803195 1806525 1846515 1923075 1958425 2040885 2070335 2084775 2115099 2157507 2203905 2207975 2288265 2337475 2384613 2435895 2517975 2524473 2585121 2680425 2783025 2838825 2898469 2942055 3005325 3077525 3085467 3321675 3323727 3401475 3525165 3595845 3673175 3726603 3752595 3813775 3967029 3974355 4059825 4118877 4207455 4308535 4373325 4554737 4903425 5034183 5142445 5219775 5419575 5539545 5875275 5993075 6122655 6211005 6254325 6472521 6611715 6623925 6864795 7012425 7307685 7553925 7755363 8390305 8516475 8695407 9015975 9232575 9256401 10204425 10351675 10575495 10787535 11019525 11179809 11441325 11923065 12179475 12622365 12925605 13664211 14492345 14710275 15102549 15427335 16618635 17625825 17979225 18633015 18762975 19835145 19871775 20594385 21037275 21542675 22773685 23266089 25170915 25712225 26086221 27697725 27769203 30613275 31055025 31883159 32362605 33058575 34323975 36538425 38776815 40992633 41951525 43477035 45307647 46282005 52877475 53937675 55899045 59615325 63111825 64628025 68321055 72461725 75512745 77136675 78258663 83093175 93165075 95649477 99175725 102971925 113868425 116330445 122977899 125854575 130431105 138846015 159415795 161813025 193884075 204963165 217385175 226538235 231410025 279495225 286948431 341605275 377563725 391293315 478247385 581652225 614889495 652155525 694230075 797078975 860845293 1024815825 1132691175 1434742155 1956466575 2391236925 3074447475 4304226465 7173710775 21521132325
• Sum of all divisors σ(n): 55150755840
• Sum of proper divisors (its aliquot sum) s(n): 33629623515
• 21521132325 is an abundant number, because the sum of its proper divisors (33629623515) is greater than itself. Its abundance is 12108491190

Bases of 21521132325

• Binary: 10100000010110000100110101100100101₂
• Hexadecimal: 0x502C26B25
• Base-36: 9VX4JZ9

Squares and roots of 21521132325

• 21521132325 squared (21521132325²) is 463159136550159905625
• 21521132325 cubed (21521132325³) is 9967709065228735328865136828125
• The square root of 21521132325 is 146700.8259179205
• The cube root of 21521132325 is 2781.5596171241

Scales and comparisons

• 21,521,132,325 seconds is equal to 684 years, 15 weeks, 6 days, 4 hours, 18 minutes, 45 seconds.
• To count from 1 to 21,521,132,325 would take you about one thousand, three hundred sixty-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 21521132325 cubic inches would be around 231.8 feet tall.

Recreational maths with 21521132325

• 21521132325 backwards is 52323112512
• 21521132325 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21521132325's digits is 27
• More coming soon!