18861620142144

Names of 18861620142144

• Cardinal: 18861620142144 can be written as Eighteen trillion, eight hundred sixty-one billion, six hundred twenty million, one hundred forty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8861620142144 × 10¹³

Factors of 18861620142144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1250

Divisors of 18861620142144

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 31 32 39 48 52 62 64 78 93 96 104 124 156 169 186 192 208 248 312 338 372 403 416 496 507 624 676 744 806 832 992 1014 1201 1209 1248 1352 1488 1612 1984 2028 2197 2402 2418 2496 2704 2976 3224 3603 4056 4394 4804 4836 5239 5408 5952 6448 6591 7206 8112 8788 9608 9672 10478 10816 12896 13182 14412 15613 15717 16224 17576 19216 19344 20956 25792 26364 28824 31226 31434 32448 35152 37231 38432 38688 41912 46839 52728 57648 62452 62868 68107 70304 74462 76864 77376 83824 93678 105456 111693 115296 124904 125736 136214 140608 148924 167648 187356 202969 204321 210912 223386 230592 249808 251472 272428 297848 335296 374712 405938 408642 421824 446772 484003 499616 502944 544856 595696 608907 749424 811876 817284 893544 968006 999232 1005888 1089712 1191392 1217814 1442401 1452009 1498848 1623752 1634568 1787088 1936012 2179424 2382784 2435628 2638597 2884802 2904018 2997696 3247504 3269136 3574176 3872024 4327203 4358848 4871256 5277194 5769604 5808036 6292039 6495008 6538272 7148352 7744048 7915791 8654406 9742512 10554388 11539208 11616072 12584078 12990016 13076544 15488096 15831582 17308812 18751213 18876117 19485024 21108776 23078416 23232144 25168156 30976192 31663164 34617624 37502426 37752234 38970048 42217552 44714431 46156832 46464288 50336312 56253639 63326328 69235248 75004852 75504468 81796507 84435104 89428862 92313664 92928576 100672624 112507278 126652656 134143293 138470496 150009704 151008936 163593014 168870208 178857724 201345248 225014556 243765769 245389521 253305312 268286586 276940992 300019408 302017872 327186028 357715448 402690496 450029112 487531538 490779042 506610624 536573172 581287603 600038816 604035744 654372056 715430896 731297307 900058224 975063076 981558084 1073146344 1162575206 1200077632 1208071488 1308744112 1430861792 1462594614 1743862809 1800116448 1950126152 1963116168 2146292688 2325150412 2617488224 2861723584 2925189228 3168954997 3487725618 3600232896 3900252304 3926232336 4292585376 4650300824 5234976448 5850378456 6337909994 6975451236 7556738839 7800504608 7852464672 8585170752 9300601648 9506864991 11700756912 12675819988 13950902472 15113477678 15601009216 15704929344 18601203296 19013729982 22670216517 23401513824 25351639976 27901804944 30226955356 37202406592 38027459964 45340433034 46803027648 50703279952 55803609888 60453910712 76054919928 90680866068 98237604907 101406559904 111607219776 120907821424 152109839856 181361732136 196475209814 202813119808 241815642848 294712814721 304219679712 362723464272 392950419628 483631285696 589425629442 608439359424 725446928544 785900839256 1178851258884 1450893857088 1571801678512 2357702517768 3143603357024 4715405035536 6287206714048 9430810071072 18861620142144
• Sum of all divisors σ(n): 55851960675840
• Sum of proper divisors (its aliquot sum) s(n): 36990340533696
• 18861620142144 is an abundant number, because the sum of its proper divisors (36990340533696) is greater than itself. Its abundance is 18128720391552

Bases of 18861620142144

• Binary: 100010010011110010000001010110010000001000000₂
• Hexadecimal: 0x1127902B2040
• Base-36: 6OOWPN1HC

Squares and roots of 18861620142144

• 18861620142144 squared (18861620142144²) is 355760714386532246764916736
• 18861620142144 cubed (18861620142144³) is 6710223456256555341985328490224644521984
• The square root of 18861620142144 is 4342996.6776574905
• The cube root of 18861620142144 is 26619.0773420355

Scales and comparisons

• 18,861,620,142,144 seconds is equal to 599,741 years, 9 weeks, 1 day, 16 hours, 22 minutes, 24 seconds.
• To count from 1 to 18,861,620,142,144 would take you about one million, four hundred ninety-nine thousand, three hundred fifty-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 18861620142144 cubic inches would be around 2218.3 feet tall.

Recreational maths with 18861620142144

• 18861620142144 backwards is 44124102616881
• 18861620142144 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18861620142144's digits is 48
• More coming soon!