18012912997006225508531776

Names of 18012912997006225508531776

• Cardinal: 18012912997006225508531776 can be written as Eighteen septillion, twelve sextillion, nine hundred twelve quintillion, nine hundred ninety-seven quadrillion, six trillion, two hundred twenty-five billion, five hundred eight million, five hundred thirty-one thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 1.8012912997006225508531776 × 10²⁵

Factors of 18012912997006225508531776

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 28881

Divisors of 18012912997006225508531776

• Number of divisors d(n): 315
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 338 343 364 392 416 448 637 676 686 728 784 832 1183 1274 1352 1372 1456 1568 2366 2401 2548 2704 2744 2912 3136 4459 4732 4802 5096 5408 5488 5824 8281 8918 9464 9604 10192 10816 10976 16562 17836 18928 19208 20384 21952 28859 31213 33124 35672 37856 38416 40768 57718 57967 62426 66248 71344 75712 76832 115436 115934 124852 132496 142688 153664 202013 230872 231868 249704 264992 285376 375167 404026 405769 461744 463736 499408 529984 750334 808052 811538 923488 927472 998816 1414091 1500668 1616104 1623076 1846976 1854944 1997632 2626169 2828182 3001336 3232208 3246152 3709888 4877171 5252338 5656364 6002672 6464416 6492304 9754342 9898637 10504676 11312728 12005344 12928832 12984608 18383183 19508684 19797274 21009352 22625456 24010688 25969216 34140197 36766366 39017368 39594548 42018704 45250912 68280394 69290459 73532732 78034736 79189096 84037408 90501824 128682281 136560788 138580918 147065464 156069472 158378192 168074816 238981379 257364562 273121576 277161836 294130928 312138944 316756384 477962758 514729124 546243152 554323672 588261856 633512768 832841881 900775967 955925516 1029458248 1092486304 1108647344 1176523712 1665683762 1672869653 1801551934 1911851032 2058916496 2184972608 2217294688 3331367524 3345739306 3603103868 3823702064 4117832992 4434589376 5829893167 6662735048 6691478612 7206207736 7647404128 8235665984 10826944453 11659786334 11710087571 13325470096 13382957224 14412415472 15294808256 21653888906 23319572668 23420175142 26650940192 26765914448 28824830944 40809252169 43307777812 46639145336 46840350284 53301880384 53531828896 57649661888 75788611171 81618504338 86615555624 93278290672 93680700568 107063657792 140750277889 151577222342 163237008676 173231111248 186556581344 187361401136 281500555778 285664765183 303154444684 326474017352 346462222496 373113162688 374722802272 530520278197 563001111556 571329530366 606308889368 652948034704 692924444992 749445604544 985251945223 1061040556394 1126002223112 1142659060732 1212617778736 1305896069408 1970503890446 1999653356281 2122081112788 2252004446224 2285318121464 2425235557472 2611792138816 3713641947379 3941007780892 3999306712562 4244162225576 4504008892448 4570636242928 4850471114944 6896763616561 7427283894758 7882015561784 7998613425124 8488324451152 9008017784896 9141272485856 13793527233122 14854567789516 15764031123568 15997226850248 16976648902304 18282544971712 25995493631653 27587054466244 29709135579032 31528062247136 31994453700496 33953297804608 48277345315927 51990987263306 55174108932488 59418271158064 63056124494272 63988907400992 96554690631854 103981974526612 110348217864976 118836542316128 127977814801984 193109381263708 207963949053224 220696435729952 237673084632256 337941417211489 386218762527416 415927898106448 441392871459904 675882834422978 772437525054832 831855796212896 1351765668845956 1544875050109664 1663711592425792 2703531337691912 3089750100219328 5407062675383824 10814125350767648 21628250701535296
• Sum of all divisors σ(n): 18012913029596228452314861
• Sum of proper divisors (its aliquot sum) s(n): 32590002943783085
• 18012912997006225508531776 is a deficient number, because the sum of its proper divisors (32590002943783085) is less than itself. Its deficiency is 18012912964416222564748691

Bases of 18012912997006225508531776

• Binary: 111011100110011000011111100001011111100000011110000101001100000010011111111001000000₂
• Hexadecimal: 0xEE661F85F81E14C09FE40
• Base-36: 29H8YSAC0P5AMH4CG

Squares and roots of 18012912997006225508531776

• 18012912997006225508531776 squared (18012912997006225508531776²) is 324465034637715801096089963352741823215767201714176
• 18012912997006225508531776 cubed (18012912997006225508531776³) is 5844560439499786099797425841838812957668015900477833529768269035860165656576
• 18012912997006225508531776 is a perfect square number. Its square root is 4244162225576
• The cube root of 18012912997006225508531776 is 262136794.1180520321

Scales and comparisons

• 18,012,912,997,006,225,508,531,776 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,012,912,997,006,225,508,531,776 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18012912997006225508531776 cubic inches would be around 21844732.8 feet tall.

Recreational maths with 18012912997006225508531776

• 18012912997006225508531776 backwards is 67713580552260079921921081
• The number of decimal digits it has is: 26
• The sum of 18012912997006225508531776's digits is 106
• More coming soon!