138550272

Names of 138550272

• Cardinal: 138550272 can be written as One hundred thirty-eight million, five hundred fifty thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.38550272 × 10⁸

Factors of 138550272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 408

Divisors of 138550272

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 119 128 136 168 192 204 224 238 256 272 336 357 379 384 408 448 476 512 544 672 714 758 768 816 896 952 1024 1088 1137 1344 1428 1516 1536 1632 1792 1904 2176 2274 2653 2688 2856 3032 3072 3264 3584 3808 4352 4548 5306 5376 5712 6064 6443 6528 7168 7616 7959 8704 9096 10612 10752 11424 12128 12886 13056 15232 15918 17408 18192 19329 21224 21504 22848 24256 25772 26112 30464 31836 36384 38658 42448 45101 45696 48512 51544 52224 60928 63672 72768 77316 84896 90202 91392 97024 103088 121856 127344 135303 145536 154632 169792 180404 182784 194048 206176 254688 270606 291072 309264 339584 360808 365568 388096 412352 509376 541212 582144 618528 679168 721616 824704 1018752 1082424 1164288 1237056 1358336 1443232 1649408 2037504 2164848 2474112 2716672 2886464 3298816 4075008 4329696 4948224 5772928 6597632 8150016 8659392 9896448 11545856 17318784 19792896 23091712 34637568 46183424 69275136 138550272
• Sum of all divisors σ(n): 448047360
• Sum of proper divisors (its aliquot sum) s(n): 309497088
• 138550272 is an abundant number, because the sum of its proper divisors (309497088) is greater than itself. Its abundance is 170946816

Bases of 138550272

• Binary: 1000010000100001110000000000₂
• Hexadecimal: 0x8421C00
• Base-36: 2AHM2O

Squares and roots of 138550272

• 138550272 squared (138550272²) is 19196177871273984
• 138550272 cubed (138550272³) is 2659635665425391469723648
• The square root of 138550272 is 11770.7379547759
• The cube root of 138550272 is 517.4508772717

Scales and comparisons

• 138,550,272 seconds is equal to 4 years, 21 weeks, 14 hours, 11 minutes, 12 seconds.
• To count from 1 to 138,550,272 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 138550272 cubic inches would be around 43.1 feet tall.

Recreational maths with 138550272

• 138550272 backwards is 272055831
• The number of decimal digits it has is: 9
• The sum of 138550272's digits is 33
• More coming soon!