40018644511872

Names of 40018644511872

• Cardinal: 40018644511872 can be written as Forty trillion, eighteen billion, six hundred forty-four million, five hundred eleven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 4.0018644511872 × 10¹³

Factors of 40018644511872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1286

Divisors of 40018644511872

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 64 78 93 96 104 124 128 156 169 186 192 208 248 312 338 372 384 403 416 496 507 624 676 744 806 832 992 1014 1209 1237 1248 1352 1488 1612 1664 1984 2028 2197 2418 2474 2496 2704 2976 3224 3711 3968 4056 4394 4836 4948 4992 5239 5408 5952 6448 6591 7422 8112 8788 9672 9896 10478 10816 11904 12896 13182 14844 15717 16081 16224 17576 19344 19792 20956 21632 25792 26364 29688 31434 32162 32448 35152 38347 38688 39584 41912 48243 51584 52728 59376 62868 64324 64896 68107 70304 76694 77376 79168 83824 96486 105456 115041 118752 125736 128648 136214 140608 153388 154752 158336 167648 192972 204321 209053 210912 230082 237504 251472 257296 272428 281216 306776 335296 385944 408642 418106 421824 460164 475008 498511 502944 514592 544856 613552 627159 670592 771888 817284 836212 843648 920328 997022 1005888 1029184 1089712 1227104 1254318 1495533 1530169 1543776 1634568 1672424 1840656 1994044 2011776 2058368 2179424 2454208 2508636 2717689 2991066 3060338 3087552 3269136 3344848 3681312 3988088 4358848 4590507 4908416 5017272 5435378 5982132 6120676 6175104 6480643 6538272 6689696 7362624 7976176 8153067 8717696 9181014 10034544 10870756 11964264 12241352 12961286 13076544 13379392 14725248 15952352 16306134 18362028 19441929 19892197 20069088 21741512 23928528 24482704 25922572 26153088 26758784 31904704 32612268 36724056 38883858 39784394 40138176 43483024 47435239 47857056 48965408 51845144 59676591 63809408 65224536 73448112 77767716 79568788 80276352 84248359 86966048 94870478 95714112 97930816 103690288 119353182 130449072 142305717 146896224 155535432 159137576 168496718 173932096 189740956 191428224 195861632 207380576 238706364 252745077 258598561 260898144 284611434 293792448 311070864 318275152 336993436 347864192 379481912 414761152 477412728 505490154 517197122 521796288 569222868 587584896 616658107 622141728 636550304 673986872 758963824 775795683 829522304 954825456 1010980308 1034394244 1043592576 1138445736 1233316214 1244283456 1273100608 1347973744 1517927648 1551591366 1849974321 1909650912 2021960616 2068788488 2276891472 2466632428 2488566912 2546201216 2695947488 3035855296 3103182732 3361781293 3699948642 3819301824 4043921232 4137576976 4553782944 4933264856 5391894976 6071710592 6206365464 6723562586 7399897284 7638603648 8016555391 8087842464 8275153952 9107565888 9866529712 10085343879 10783789952 12412730928 13447125172 14799794568 16033110782 16175684928 16550307904 18215131776 19733059424 20170687758 24049666173 24825461856 26894250344 29599589136 32066221564 32351369856 33100615808 39466118848 40341375516 48099332346 49650923712 53788500688 59199178272 64132443128 78932237696 80682751032 96198664692 99301847424 104215220083 107577001376 118398356544 128264886256 161365502064 192397329384 208430440166 215154002752 236796713088 256529772512 312645660249 322731004128 384794658768 416860880332 430308005504 513059545024 625291320498 645462008256 769589317536 833721760664 1026119090048 1250582640996 1290924016512 1539178635072 1667443521328 2501165281992 3078357270144 3334887042656 5002330563984 6669774085312 10004661127968 13339548170624 20009322255936 40018644511872
• Sum of all divisors σ(n): 118964596262400
• Sum of proper divisors (its aliquot sum) s(n): 78945951750528
• 40018644511872 is an abundant number, because the sum of its proper divisors (78945951750528) is greater than itself. Its abundance is 38927307238656

Bases of 40018644511872

• Binary: 1001000110010110010001000101110010110010000000₂
• Hexadecimal: 0x246591172C80
• Base-36: E6OB7OWAO

Squares and roots of 40018644511872

• 40018644511872 squared (40018644511872²) is 1601491908567582945148944384
• 40018644511872 cubed (40018644511872³) is 64089535377605518044692949578375755726848
• The square root of 40018644511872 is 6326029.1267012041
• The cube root of 40018644511872 is 34204.8317193067

Scales and comparisons

• 40,018,644,511,872 seconds is equal to 1,272,469 years, 5 weeks, 4 days, 22 hours, 11 minutes, 12 seconds.
• To count from 1 to 40,018,644,511,872 would take you about three million, one hundred eighty-one thousand, one hundred seventy-two 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 40018644511872 cubic inches would be around 2850.4 feet tall.

Recreational maths with 40018644511872

• 40018644511872 backwards is 27811544681004
• The number of decimal digits it has is: 14
• The sum of 40018644511872's digits is 51
• More coming soon!