168389219128

Names of 168389219128

• Cardinal: 168389219128 can be written as One hundred sixty-eight billion, three hundred eighty-nine million, two hundred nineteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.68389219128 × 10¹¹

Factors of 168389219128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6880

Divisors of 168389219128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 17 26 34 52 68 104 136 169 221 338 442 676 884 1327 1352 1768 2654 2873 5308 5521 5746 10616 11042 11492 17251 22084 22559 22984 34502 44168 45118 69004 71773 90236 93857 138008 143546 180472 187714 224263 287092 293267 375428 448526 574184 586534 750856 897052 933049 1173068 1220141 1794104 1866098 2346136 2440282 3732196 3812471 4880564 7326367 7464392 7624942 9761128 14652734 15249884 15861833 29305468 30499768 31723666 58610936 63447332 95242771 124548239 126894664 190485542 249096478 380971084 498192956 761942168 996385912 1238156023 1619127107 2476312046 3238254214 4952624092 6476508428 9905248184 12953016856 21048652391 42097304782 84194609564 168389219128
• Sum of all divisors σ(n): 362334202560
• Sum of proper divisors (its aliquot sum) s(n): 193944983432
• 168389219128 is an abundant number, because the sum of its proper divisors (193944983432) is greater than itself. Its abundance is 25555764304

Bases of 168389219128

• Binary: 10011100110100110001111001001100111000₂
• Hexadecimal: 0x2734C79338
• Base-36: 25CULD14

Squares and roots of 168389219128

• 168389219128 squared (168389219128²) is 28354929118537601080384
• 168389219128 cubed (168389219128³) is 4774664372700335995232230918385152
• The square root of 168389219128 is 410352.5546746359
• The cube root of 168389219128 is 5522.1062807573

Scales and comparisons

• 168,389,219,128 seconds is equal to 5,354 years, 13 weeks, 2 days, 7 hours, 5 minutes, 28 seconds.
• To count from 1 to 168,389,219,128 would take you about ten thousand, seven hundred eight 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 168389219128 cubic inches would be around 460.2 feet tall.

Recreational maths with 168389219128

• 168389219128 backwards is 821912983861
• The number of decimal digits it has is: 12
• The sum of 168389219128's digits is 58
• More coming soon!