9990981786825

Names of 9990981786825

• Cardinal: 9990981786825 can be written as Nine trillion, nine hundred ninety billion, nine hundred eighty-one million, seven hundred eighty-six thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 9.990981786825 × 10¹²

Factors of 9990981786825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 153

Divisors of 9990981786825

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 13 15 19 25 27 39 45 57 65 75 95 113 117 135 169 171 195 225 247 285 325 339 351 361 475 507 513 565 585 675 741 845 855 975 1017 1083 1235 1425 1469 1521 1695 1755 1805 2147 2223 2535 2565 2825 2925 3051 3211 3249 3705 4225 4275 4407 4563 4693 5085 5415 6175 6441 6669 6859 7345 7605 8475 8775 9025 9633 9747 10735 11115 12675 12769 12825 13221 14079 15255 16055 16245 18525 19097 19323 20577 22035 22815 23465 25425 27075 27911 28899 32205 33345 34295 36725 38025 38307 39663 40793 42237 48165 48735 53675 55575 57291 57969 61009 61731 63845 66105 70395 76275 80275 81225 83733 86697 89167 95485 96615 102885 110175 114075 114921 117325 122379 126711 139555 144495 161025 165997 166725 171475 171873 183027 185193 191535 198315 203965 211185 240825 242611 243675 251199 267501 286455 289845 305045 308655 319225 330525 344763 351975 362843 367137 418665 433485 445835 477425 483075 497991 514425 515619 530309 549081 574605 611895 633555 697775 722475 727833 753597 775067 802503 829985 859365 915135 925965 957675 991575 1019825 1055925 1088529 1101411 1159171 1213055 1255995 1337505 1432275 1449225 1493973 1525225 1543275 1590927 1647243 1723815 1814215 1835685 2093325 2157961 2167425 2183499 2229175 2325201 2407509 2489955 2578095 2651545 2745405 2873025 3059475 3153943 3167775 3265587 3477513 3639165 3767985 3875335 4012515 4149925 4296825 4481919 4575675 4609609 4629825 4772781 5442645 5507055 5795855 6065275 6279975 6473883 6550497 6687525 6894017 6975603 7469865 7954635 8236215 8619075 9071075 9178425 9461829 9796761 10075871 10432539 10789805 10917495 11626005 12037545 12449775 12890475 13257725 13727025 13828827 14318343 15769715 16327935 17387565 18195825 18839925 19376675 19421649 20062575 20682051 20926809 22409595 23048045 23863905 27213225 27535275 28385487 28979275 30227613 31297617 32369415 32752485 34470085 34878015 37349325 39773175 41001259 41181075 41486481 47309145 48983805 50379355 52162695 53949025 54587475 58130025 58264947 59924917 60187725 62046153 69144135 71591715 78848575 81639675 85156461 86937825 87582571 90682839 97108245 103410255 104634045 112047975 115240225 119319525 123003777 124459443 130986323 141927435 151138065 156488085 161847075 163762425 172350425 174390075 179774751 186138459 205006295 207432405 236545725 244919025 251896775 260813475 262747713 272048517 291324735 299624585 310230765 345720675 357958575 369011331 392958969 425782305 437912855 453414195 485541225 517051275 523170225 539324253 615018885 622297215 654931615 709637175 755690325 779023921 782440425 788243139 898873755 930692295 1025031475 1037162025 1107033993 1138573423 1178876907 1313738565 1360242585 1456623675 1498122925 1551153825 1617972759 1845056655 1964794845 2128911525 2189564275 2267070975 2337071763 2364729417 2696621265 3075094425 3111486075 3274658075 3415720269 3536630721 3895119605 3941215695 4494368775 4653461475 5535169965 5692867115 5894384535 6568692825 6801212925 7011215289 8089863795 9225283275 9823974225 10247160807 11685358815 11823647085 13483106325 14801454499 17078601345 17683153605 19475598025 19706078475 21033645867 27675849825 28464335575 29471922675 30741482421 35056076445 40449318975 44404363497 51235804035 58426794075 59118235425 74007272495 85393006725 88415768025 105168229335 133213090491 153707412105 175280382225 222021817485 256179020175 370036362475 399639271473 525841146675 666065452455 768537060525 1110109087425 1998196357365 3330327262275 9990981786825
• Sum of all divisors σ(n): 21165491006400
• Sum of proper divisors (its aliquot sum) s(n): 11174509219575
• 9990981786825 is an abundant number, because the sum of its proper divisors (11174509219575) is greater than itself. Its abundance is 1183527432750

Bases of 9990981786825

• Binary: 10010001011000110100111010111001110011001001₂
• Hexadecimal: 0x91634EB9CC9
• Base-36: 3JHSKLGW9

Squares and roots of 9990981786825

• 9990981786825 squared (9990981786825²) is 99819717064668869743580625
• 9990981786825 cubed (9990981786825³) is 997296975159131328307672332335950265625
• The square root of 9990981786825 is 3160851.4338426285
• The cube root of 9990981786825 is 21537.8685687271

Scales and comparisons

• 9,990,981,786,825 seconds is equal to 317,682 years, 16 weeks, 3 days, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 9,990,981,786,825 would take you about seven hundred ninety-four thousand, two hundred five 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 9990981786825 cubic inches would be around 1794.8 feet tall.

Recreational maths with 9990981786825

• 9990981786825 backwards is 5286871890999
• The number of decimal digits it has is: 13
• The sum of 9990981786825's digits is 81
• More coming soon!