138546408

Names of 138546408

• Cardinal: 138546408 can be written as One hundred thirty-eight million, five hundred forty-six thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38546408 × 10⁸

Factors of 138546408

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 188

Divisors of 138546408

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 21 22 24 26 28 33 39 42 44 52 56 66 73 77 78 79 84 88 91 104 132 143 146 154 156 158 168 182 219 231 237 264 273 286 292 308 312 316 364 429 438 462 474 511 546 553 572 584 616 632 728 803 858 869 876 924 948 949 1001 1022 1027 1092 1106 1144 1533 1606 1659 1716 1738 1752 1848 1896 1898 2002 2044 2054 2184 2212 2409 2607 2847 3003 3066 3081 3212 3318 3432 3476 3796 4004 4088 4108 4424 4818 5214 5621 5694 5767 6006 6083 6132 6162 6424 6636 6643 6952 7189 7592 8008 8216 9636 10428 10439 11242 11297 11388 11534 12012 12166 12264 12324 13272 13286 14378 16863 17301 18249 19272 19929 20856 20878 21567 22484 22594 22776 23068 24024 24332 24648 26572 28756 31317 33726 33891 34602 36498 39858 40369 41756 43134 44968 45188 46136 48664 53144 57512 62634 63437 67452 67782 69204 72996 73073 74971 79079 79716 80738 83512 86268 90376 121107 125268 126874 134904 135564 138408 145992 146146 149942 158158 159432 161476 172536 190311 219219 224913 237237 242214 250536 253748 271128 292292 299884 316316 322952 380622 438438 444059 449826 474474 484428 507496 524797 584584 599768 632632 761244 824681 876876 888118 899652 948948 968856 1049594 1332177 1522488 1574391 1649362 1753752 1776236 1799304 1897896 2099188 2474043 2664354 3148782 3298724 3552472 4198376 4948086 5328708 5772767 6297564 6597448 9896172 10657416 11545534 12595128 17318301 19792344 23091068 34636602 46182136 69273204 138546408
• Sum of all divisors σ(n): 477388800
• Sum of proper divisors (its aliquot sum) s(n): 338842392
• 138546408 is an abundant number, because the sum of its proper divisors (338842392) is greater than itself. Its abundance is 200295984

Bases of 138546408

• Binary: 1000010000100000110011101000₂
• Hexadecimal: 0x8420CE8
• Base-36: 2AHJ3C

Squares and roots of 138546408

• 138546408 squared (138546408²) is 19195107169702464
• 138546408 cubed (138546408³) is 2659413149537322815949312
• The square root of 138546408 is 11770.5738177881
• The cube root of 138546408 is 517.4460668665

Scales and comparisons

• 138,546,408 seconds is equal to 4 years, 21 weeks, 13 hours, 6 minutes, 48 seconds.
• To count from 1 to 138,546,408 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 138546408 cubic inches would be around 43.1 feet tall.

Recreational maths with 138546408

• 138546408 backwards is 804645831
• 138546408 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138546408's digits is 39
• More coming soon!