1998437751040725

Names of 1998437751040725

• Cardinal: 1998437751040725 can be written as One quadrillion, nine hundred ninety-eight trillion, four hundred thirty-seven billion, seven hundred fifty-one million, forty thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 1.998437751040725 × 10¹⁵

Factors of 1998437751040725

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2722

Divisors of 1998437751040725

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 5 9 15 17 25 41 45 51 61 75 85 123 153 183 193 205 225 255 305 369 425 549 579 601 615 697 765 915 965 1025 1037 1275 1525 1737 1801 1803 1845 2091 2501 2745 2895 3005 3075 3111 3281 3485 3825 4575 4825 5185 5403 5409 6273 7503 7913 8685 9005 9015 9225 9333 9843 10217 10455 11773 12505 13725 14475 15025 15555 16209 16405 17425 22509 23739 24641 25925 27015 27045 29529 30617 30651 31365 35319 36661 37515 39565 42517 43425 45025 45075 46665 49215 51085 52275 58865 62525 71217 73841 73923 77775 81045 82025 91851 91953 105957 109861 109983 112545 115993 118695 123205 127551 134521 135075 135225 147645 153085 153255 156825 176595 183305 187575 197825 200141 212585 221523 221769 233325 246075 255425 275553 294325 329583 329949 347593 347979 356085 369205 369615 382653 403563 405225 418897 459255 459765 482693 529785 549305 549915 562725 579965 593475 600423 616025 623237 637755 664569 672605 738225 765425 766275 882975 916525 988749 1000705 1042779 1043937 1062925 1082401 1107615 1108845 1210689 1255297 1256691 1377765 1448079 1503101 1647915 1649745 1737965 1739895 1780425 1801269 1846025 1848075 1867637 1869711 1913265 1971881 2017815 2094485 2296275 2298825 2413465 2648925 2746525 2749575 2899825 3002115 3116185 3128337 3188775 3247203 3322845 3363025 3765891 3770073 4344237 4504301 4509303 4755713 4943745 5003525 5213895 5219685 5412005 5538075 5544225 5602911 5609133 5909081 5915643 6053445 6276485 6283455 6888825 7075573 7240395 7515505 8205781 8239575 8248725 8689825 8699475 9006345 9338185 9348555 9566325 9741609 9859405 10089075 10472425 11297673 12067325 13512903 13527909 14251313 14267139 15010575 15580925 15641685 16236015 16614225 16808733 17727243 17746929 18400817 18829455 18850365 21203173 21226719 21721185 22521505 22546515 23778565 24617343 24718725 25552717 26069475 26098425 27060025 28014555 28045665 29545405 29578215 30267225 31382425 31417275 35377865 36201975 37577525 40538709 41028905 42753939 42801417 44378441 45031725 46690925 46742775 48708045 49297025 53181729 55202451 56488365 63609519 63680157 66026461 67564515 67639545 71256565 71335695 73852029 76573117 76658151 78208425 80847121 81180075 84043665 88636215 88734645 92004085 94147275 94251825 106015865 106133595 108605925 112607525 112732575 118892825 120284741 123086715 127763585 128261817 133135323 140072775 140228325 147727025 147891075 165607353 176889325 190828557 198079383 202693545 205144525 208903393 213769695 214007085 221892205 229719351 229974453 242272321 242541363 243540225 265908645 276012255 282441825 290098493 318047595 318400785 330132305 337822575 338197725 356282825 356678475 360453941 360854223 369260145 382865585 383290755 399405969 404235605 420218325 443181075 443673225 460020425 530079325 530667975 594238149 601423705 615433575 626710179 638817925 641309085 665676615 689158053 726816963 727624089 754433497 828036765 869330093 870295479 954142785 990396915 1013467725 1044516965 1068848475 1070035425 1081361823 1082562669 1109461025 1122449837 1148596755 1149872265 1211361605 1212706815 1329543225 1380061275 1450492465 1590237975 1592003925 1650661525 1802269705 1804271115 1846300725 1880130537 1914327925 1916453775 1997029845 2021178025 2180450889 2263300491 2607990279 2610886437 2707084901 2971190745 3007118525 3133550895 3206545425 3244085469 3328383075 3367349511 3445790265 3551357681 3634084815 3638120445 3772167485 4140183825 4346650465 4351477395 4770713925 4931674381 4951984575 5222584825 5406809115 5412813345 5612249185 5742983775 5749361325 6056808025 6063534075 6789901473 7252462325 7823970837 8121254703 8565039113 9011348525 9021355575 9400652685 9985149225 10102048533 10654073043 10902254445 11316502455 12743106973 13039951395 13054432185 13535424505 14778611581 14795023143 14855953725 15667754475 16220427345 16836747555 17228951325 17756788405 18170424075 18190602225 18860837425 21733252325 21757386975 24363764109 24658371905 25695117339 27034045575 27064066725 28061245925 31962219129 33949507365 38229320919 39119854185 40606273515 42825195565 44335834743 44385069429 46020443317 47003263425 50510242665 53270365215 54511272225 56582512275 63715534865 65199756975 65272160925 67677122525 73893057905 73975115715 77085352017 81102136725 84183737775 88783942025 114687962757 121818820545 123291859525 128475586695 133007504229 138061329951 145605664921 159811095645 169747536825 191146604595 195599270925 203031367575 214125977825 216632818541 221679173715 221925347145 230102216585 252551213325 266351826075 318577674325 369465289525 369875578575 385426760085 414183989853 436816994763 522467385893 573439813785 609094102725 642377933475 649898455623 665037521145 690306649755 728028324605 799055478225 955733022975 1083164092705 1108395868575 1109626735725 1150511082925 1310450984289 1567402157679 1927133800425 1949695366869 2070919949265 2184084973815 2612336929465 2867199068925 3249492278115 3325187605725 3451533248775 3640141623025 4702206473037 5415820463525 6552254921445 7837010788395 8881945560181 9748476834345 10354599746325 10920424869075 13061684647325 16247461390575 23511032365185 26645836680543 32761274607225 39185053941975 44409727800905 48742384171725 79937510041629 117555161825925 133229183402715 222048639004525 399687550208145 666145917013575 1998437751040725
• Sum of all divisors σ(n): 3975314922686016
• Sum of proper divisors (its aliquot sum) s(n): 1976877171645291
• 1998437751040725 is a deficient number, because the sum of its proper divisors (1976877171645291) is less than itself. Its deficiency is 21560579395434

Bases of 1998437751040725

• Binary: 111000110011001000110001100010000011010101011010101₂
• Hexadecimal: 0x719918C41AAD5
• Base-36: JODXMMU3F9

Squares and roots of 1998437751040725

• 1998437751040725 squared (1998437751040725²) is 3993753444784710755820608525625
• 1998437751040725 cubed (1998437751040725³) is 7981267652406705651086504406932245151581078125
• The square root of 1998437751040725 is 44703889.6634367265
• The cube root of 1998437751040725 is 125959.2912716547

Scales and comparisons

• 1,998,437,751,040,725 seconds is equal to 63,544,138 years, 47 weeks, 1 day, 23 hours, 18 minutes, 45 seconds.
• To count from 1 to 1,998,437,751,040,725 would take you about one hundred ninety million, six hundred thirty-two thousand, four hundred sixteen 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 1998437751040725 cubic inches would be around 10496.6 feet tall.

Recreational maths with 1998437751040725

• 1998437751040725 backwards is 5270401577348991
• The number of decimal digits it has is: 16
• The sum of 1998437751040725's digits is 72
• More coming soon!