21821481012825

Names of 21821481012825

• Cardinal: 21821481012825 can be written as Twenty-one trillion, eight hundred twenty-one billion, four hundred eighty-one million, twelve thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 2.1821481012825 × 10¹³

Factors of 21821481012825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 207

Divisors of 21821481012825

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 13 15 19 25 27 39 45 57 65 75 95 117 135 167 169 171 195 225 247 285 325 351 361 475 501 507 513 585 675 741 835 845 855 975 1083 1235 1425 1503 1521 1755 1805 2171 2223 2505 2535 2565 2925 3173 3211 3249 3705 4175 4225 4275 4509 4563 4693 5415 6175 6513 6669 6859 7515 7605 8775 9025 9519 9633 9747 10855 11115 12525 12675 12825 14079 15865 16055 16245 18525 19539 20577 22545 22815 23465 27075 27889 28223 28557 28899 32565 33345 34295 37575 38025 41249 42237 47595 48165 48735 54275 55575 58617 60287 61009 61731 70395 79325 80275 81225 83667 84669 85671 86697 89167 97695 102885 112725 114075 117325 123747 126711 139445 141115 142785 144495 162825 166725 171475 180861 183027 185193 206245 211185 237975 240825 243675 251001 254007 267501 293085 301435 305045 308655 351975 362557 371241 418335 423345 428355 433485 445835 488475 514425 529891 536237 542583 549081 618735 633555 697225 705575 713925 722475 753003 762021 783731 802503 904305 915135 925965 1031225 1055925 1087671 1113723 1145453 1159171 1255005 1270035 1337505 1465425 1507175 1525225 1543275 1589673 1608711 1627749 1647243 1812785 1856205 2091675 2116725 2141775 2167425 2229175 2351193 2407509 2649455 2681185 2712915 2745405 3093675 3167775 3263013 3436359 3477513 3765015 3810105 3918655 4012515 4521525 4575675 4629825 4713241 4769019 4826133 5438355 5568615 5727265 5795855 6275025 6350175 6687525 6888583 7053579 7948365 8043555 8138745 8236215 9063925 9281025 9789039 10067929 10188503 10309077 10432539 11755965 12037545 13247275 13405925 13564575 13727025 14139723 14307057 14478399 14890889 16315065 17181795 17387565 18825075 19050525 19593275 20062575 20665749 21160737 23566205 23845095 24130665 27191775 27843075 28636325 28979275 30203787 30565509 30927231 31297617 34442915 35267895 39741825 40217775 40693725 41181075 42419169 44672667 48945195 50339645 50942515 51545385 52162695 58779825 60187725 61997247 70698615 71535285 72391995 74454445 81575325 85908975 86937825 89551579 90611361 91696527 103328745 105803685 117831025 119225475 120653325 127257507 130883077 134018001 151018935 152827545 154636155 156488085 172214575 176339475 185991741 191290651 193581557 212095845 223363335 244725975 251698225 254712575 257726925 260813475 268654737 271834083 275089581 309986235 353493075 357676425 361959975 372272225 392649231 402054003 447757895 453056805 458482635 516643725 529018425 573871953 580744671 636287535 654415385 670090005 755094675 764137725 773180775 782440425 805964211 929958705 956453255 967907785 1060479225 1116816675 1177947693 1343273685 1359170415 1375447905 1549931175 1701480001 1721615859 1742234013 1963246155 2010270015 2238789475 2265284025 2292413175 2417892633 2486778463 2869359765 2903723355 3181437675 3272076925 3350450025 3533843079 4029821055 4649793525 4782266275 4839538925 5104440003 5164847577 5226702039 5889738465 6716368425 6795852075 6877239525 7460335389 8507400005 8608079295 8711170065 9816230775 10051350075 12089463165 12433892315 14346798825 14518616775 15313320009 17669215395 20149105275 22381006167 25522200015 25824237885 26133510195 29448692325 32328120019 37301676945 42537000025 43040396475 43555850325 45939960027 60447315825 62169461575 67143018501 76566600045 88346076975 96984360057 111905030835 127611000075 129121189425 130667550975 161640600095 186508384725 229699800135 290953080171 335715092505 382833000225 484921800285 559525154175 808203000475 872859240513 1148499000675 1454765400855 1678575462525 2424609001425 4364296202565 7273827004275 21821481012825
• Sum of all divisors σ(n): 46094867745600
• Sum of proper divisors (its aliquot sum) s(n): 24273386732775
• 21821481012825 is an abundant number, because the sum of its proper divisors (24273386732775) is greater than itself. Its abundance is 2451905719950

Bases of 21821481012825

• Binary: 100111101100010110101100111111100111001011001₂
• Hexadecimal: 0x13D8B59FCE59
• Base-36: 7QGNEDPW9

Squares and roots of 21821481012825

• 21821481012825 squared (21821481012825²) is 476177033593081987814480625
• 21821481012825 cubed (21821481012825³) is 10390888097294770784367196977026339015625
• The square root of 21821481012825 is 4671346.8093072477
• The cube root of 21821481012825 is 27944.3968883621

Scales and comparisons

• 21,821,481,012,825 seconds is equal to 693,855 years, 31 weeks, 15 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,821,481,012,825 would take you about one million, seven hundred thirty-four thousand, six hundred thirty-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 21821481012825 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21821481012825

• 21821481012825 backwards is 52821018412812
• 21821481012825 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21821481012825's digits is 45
• More coming soon!