18454201009920

Names of 18454201009920

• Cardinal: 18454201009920 can be written as Eighteen trillion, four hundred fifty-four billion, two hundred one million, nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.845420100992 × 10¹³

Factors of 18454201009920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 729166

Divisors of 18454201009920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 128 130 144 156 160 169 180 192 195 208 234 240 256 260 288 312 320 338 360 384 390 416 468 480 507 520 576 585 624 640 676 720 768 780 832 845 936 960 1014 1040 1152 1170 1248 1280 1352 1440 1521 1560 1664 1690 1872 1920 2028 2080 2197 2304 2340 2496 2535 2704 2880 3042 3120 3328 3380 3744 3840 4056 4160 4394 4680 4992 5070 5408 5760 6084 6240 6591 6760 7488 7605 8112 8320 8788 9360 9984 10140 10816 10985 11520 12168 12480 13182 13520 14976 15210 16224 16640 17576 18720 19773 20280 21632 21970 24336 24960 26364 27040 29952 30420 32448 32955 35152 37440 39546 40560 43264 43940 48672 49920 52728 54080 60840 64896 65910 70304 74880 79092 81120 87880 97344 98865 105456 108160 121680 129792 131820 140608 149760 158184 162240 175760 194688 197730 210912 216320 243360 263640 281216 316368 324480 351520 389376 395460 421824 486720 527280 562432 632736 648960 703040 729143 790920 843648 973440 1054560 1265472 1406080 1458286 1581840 1687296 1946880 2109120 2187429 2530944 2812160 2916572 3163680 3645715 4218240 4374858 5061888 5833144 6327360 6562287 7291430 8436480 8749716 9478859 10937145 11666288 12654720 13124574 14582860 17499432 18957718 21874290 23332576 25309440 26249148 28436577 29165720 32811435 34998864 37915436 43748580 46665152 47394295 52498296 56873154 58331440 65622870 69997728 75830872 85309731 87497160 93330304 94788590 104996592 113746308 116662880 123225167 131245740 139995456 142182885 151661744 170619462 174994320 186660608 189577180 209993184 227492616 233325760 246450334 262491480 279990912 284365770 303323488 341238924 349988640 369675501 379154360 419986368 426548655 454985232 466651520 492900668 524982960 559981824 568731540 606646976 616125835 682477848 699977280 739351002 758308720 839972736 853097310 909970464 933303040 985801336 1049965920 1109026503 1137463080 1213293952 1232251670 1364955696 1399954560 1478702004 1516617440 1601927171 1679945472 1706194620 1819940928 1848377505 1971602672 2099931840 2218053006 2274926160 2426587904 2464503340 2729911392 2799909120 2957404008 3033234880 3203854342 3412389240 3639881856 3696755010 3943205344 4199863680 4436106012 4549852320 4805781513 4929006680 5459822784 5545132515 5914808016 6066469760 6407708684 6824778480 7279763712 7393510020 7886410688 8009635855 8399727360 8872212024 9099704640 9611563026 9858013360 10919645568 11090265030 11829616032 12132939520 12815417368 13649556960 14417344539 14787020040 15772821376 16019271710 17744424048 18199409280 19223126052 19716026720 21839291136 22180530060 23659232064 24028907565 25630834736 27299113920 28834689078 29574040080 31545642752 32038543420 35488848096 36398818560 38446252104 39432053440 44361060120 47318464128 48057815130 51261669472 54598227840 57669378156 59148080160 64077086840 70977696192 72086722695 76892504208 78864106880 88722120240 94636928256 96115630260 102523338944 109196455680 115338756312 118296160320 128154173680 141955392384 144173445390 153785008416 157728213760 177444240480 192231260520 205046677888 230677512624 236592320640 256308347360 283910784768 288346890780 307570016832 354888480960 384462521040 410093355776 461355025248 473184641280 512616694720 576693781560 615140033664 709776961920 768925042080 922710050496 1025233389440 1153387563120 1230280067328 1419553923840 1537850084160 1845420100992 2050466778880 2306775126240 3075700168320 3690840201984 4613550252480 6151400336640 9227100504960 18454201009920
• Sum of all divisors σ(n): 69168087293760
• Sum of proper divisors (its aliquot sum) s(n): 50713886283840
• 18454201009920 is an abundant number, because the sum of its proper divisors (50713886283840) is greater than itself. Its abundance is 32259685273920

Bases of 18454201009920

• Binary: 100001100100010110100000110001000011100000000₂
• Hexadecimal: 0x10C8B4188700
• Base-36: 6JHQQT340

Squares and roots of 18454201009920

• 18454201009920 squared (18454201009920²) is 340557534914532347938406400
• 18454201009920 cubed (18454201009920³) is 6284717204755628516209448216835391488000
• The square root of 18454201009920 is 4295835.3099158725
• The cube root of 18454201009920 is 26426.0193666377

Scales and comparisons

• 18,454,201,009,920 seconds is equal to 586,786 years, 26 weeks, 3 days, 11 hours, 12 minutes.
• To count from 1 to 18,454,201,009,920 would take you about one million, four hundred sixty-six thousand, nine hundred sixty-six 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 18454201009920 cubic inches would be around 2202.2 feet tall.

Recreational maths with 18454201009920

• 18454201009920 backwards is 02990010245481
• 18454201009920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18454201009920's digits is 45
• More coming soon!