138469188

Names of 138469188

• Cardinal: 138469188 can be written as One hundred thirty-eight million, four hundred sixty-nine thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38469188 × 10⁸

Factors of 138469188

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 216

Divisors of 138469188

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 11 12 13 19 22 26 31 33 38 39 44 52 57 62 66 76 78 93 114 124 132 137 143 156 186 209 228 247 274 286 341 372 403 411 418 429 494 548 572 589 627 682 741 806 822 836 858 988 1023 1178 1209 1254 1364 1482 1507 1612 1644 1716 1767 1781 2046 2356 2418 2508 2603 2717 2964 3014 3534 3562 4092 4247 4433 4521 4836 5206 5343 5434 6028 6479 7068 7124 7657 7809 8151 8494 8866 9042 10412 10686 10868 12741 12958 13299 15314 15618 16302 16988 17732 18084 19437 19591 21372 22971 25482 25916 26598 28633 30628 31236 32604 33839 38874 39182 45942 46717 50964 53196 55211 57266 58773 67678 77748 78364 80693 84227 85899 91884 93434 101517 110422 114532 117546 135356 140151 161386 165633 168454 171798 186868 203034 220844 235092 242079 252681 280302 322772 331266 336908 343596 372229 406068 484158 505362 560604 607321 662532 744458 887623 968316 1010724 1049009 1116687 1214642 1488916 1775246 1821963 2098018 2233374 2429284 2662869 3147027 3550492 3643926 4196036 4466748 5325738 6294054 7287852 10651476 11539099 12588108 23078198 34617297 46156396 69234594 138469188
• Sum of all divisors σ(n): 415457280
• Sum of proper divisors (its aliquot sum) s(n): 276988092
• 138469188 is an abundant number, because the sum of its proper divisors (276988092) is greater than itself. Its abundance is 138518904

Bases of 138469188

• Binary: 1000010000001101111101000100₂
• Hexadecimal: 0x840DF44
• Base-36: 2AFVIC

Squares and roots of 138469188

• 138469188 squared (138469188²) is 19173716025379344
• 138469188 cubed (138469188³) is 2654968888976865155652672
• The square root of 138469188 is 11767.2931466841
• The cube root of 138469188 is 517.3499147019

Scales and comparisons

• 138,469,188 seconds is equal to 4 years, 20 weeks, 6 days, 15 hours, 39 minutes, 48 seconds.
• To count from 1 to 138,469,188 would take you about 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 138469188 cubic inches would be around 43.1 feet tall.

Recreational maths with 138469188

• 138469188 backwards is 881964831
• The number of decimal digits it has is: 9
• The sum of 138469188's digits is 48
• More coming soon!