18162275481378

Names of 18162275481378

• Cardinal: 18162275481378 can be written as Eighteen trillion, one hundred sixty-two billion, two hundred seventy-five million, four hundred eighty-one thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 1.8162275481378 × 10¹³

Factors of 18162275481378

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 797530

Divisors of 18162275481378

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 31 38 42 57 62 63 93 114 126 133 171 186 217 266 279 307 342 399 434 558 589 614 651 798 921 1178 1197 1302 1767 1842 1953 2149 2394 2763 3534 3906 4123 4298 5301 5526 5833 6447 8246 9517 10602 11666 12369 12894 17499 19034 19341 24738 28551 34998 37107 38682 40831 52497 57102 66619 74214 81662 85653 104994 122493 133238 171306 180823 199857 244986 361646 367479 399714 542469 599571 734958 797161 1084938 1199142 1265761 1594322 1627407 2391483 2531522 3254814 3797283 4782966 5580127 7174449 7594566 11160254 11391849 14348898 15146059 16740381 22783698 24711991 30292118 33480762 45438177 49423982 50221143 74135973 90876354 100442286 106022413 136314531 148271946 172983937 212044826 222407919 244728427 272629062 318067239 345967874 444815838 469527829 489456854 518951811 636134478 734185281 939055658 954201717 1037903622 1408583487 1468370562 1556855433 1713098989 1908403434 2202555843 2817166974 3113710866 3286694803 3426197978 4225750461 4405111686 4649840113 5139296967 6573389606 7586581237 8451500922 9299680226 9860084409 10278593934 13949520339 15173162474 15417890901 19720168818 22759743711 27899040678 29580253227 30835781802 32548880791 41848561017 45519487422 53106068659 59160506454 65097761582 68279231133 83697122034 97646642373 106212137318 136558462266 144145043503 159318205977 195293284746 288290087006 292939927119 318636411954 432435130509 477954617931 585879854238 864870261018 955909235862 1009015304521 1297305391527 2018030609042 2594610783054 3027045913563 6054091827126 9081137740689 18162275481378
• Sum of all divisors σ(n): 49026610913280
• Sum of proper divisors (its aliquot sum) s(n): 30864335431902
• 18162275481378 is an abundant number, because the sum of its proper divisors (30864335431902) is greater than itself. Its abundance is 12702059950524

Bases of 18162275481378

• Binary: 100001000010010111011111110100111011100100010₂
• Hexadecimal: 0x1084BBFA7722
• Base-36: 6FRMTVVOI

Squares and roots of 18162275481378

• 18162275481378 squared (18162275481378²) is 329868250661464461624778884
• 18162275481378 cubed (18162275481378³) is 5991158041073768221670620513413909622152
• The square root of 18162275481378 is 4261722.1262510769
• The cube root of 18162275481378 is 26285.9343899123

Scales and comparisons

• 18,162,275,481,378 seconds is equal to 577,504 years, 9 weeks, 2 days, 18 hours, 36 minutes, 18 seconds.
• To count from 1 to 18,162,275,481,378 would take you about one million, four hundred forty-three thousand, seven hundred sixty 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 18162275481378 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18162275481378

• 18162275481378 backwards is 87318457226181
• 18162275481378 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18162275481378's digits is 63
• More coming soon!