138903552

Names of 138903552

• Cardinal: 138903552 can be written as One hundred thirty-eight million, nine hundred three thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 1.38903552 × 10⁸

Factors of 138903552

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 162

Divisors of 138903552

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 157 192 216 256 288 314 384 432 471 512 576 628 768 864 942 1024 1152 1256 1413 1536 1728 1884 2048 2304 2512 2826 3072 3456 3768 4096 4239 4608 5024 5652 6144 6912 7536 8192 8478 9216 10048 11304 12288 13824 15072 16384 16956 18432 20096 22608 24576 27648 30144 32768 33912 36864 40192 45216 49152 55296 60288 67824 73728 80384 90432 98304 110592 120576 135648 147456 160768 180864 221184 241152 271296 294912 321536 361728 442368 482304 542592 643072 723456 884736 964608 1085184 1286144 1446912 1929216 2170368 2572288 2893824 3858432 4340736 5144576 5787648 7716864 8681472 11575296 15433728 17362944 23150592 34725888 46301184 69451776 138903552
• Sum of all divisors σ(n): 414181200
• Sum of proper divisors (its aliquot sum) s(n): 275277648
• 138903552 is an abundant number, because the sum of its proper divisors (275277648) is greater than itself. Its abundance is 136374096

Bases of 138903552

• Binary: 1000010001111000000000000000₂
• Hexadecimal: 0x8478000
• Base-36: 2AP6O0

Squares and roots of 138903552

• 138903552 squared (138903552²) is 19294196758216704
• 138903552 cubed (138903552³) is 2680032462703185371332608
• The square root of 138903552 is 11785.7351064749
• The cube root of 138903552 is 517.8903083625

Scales and comparisons

• 138,903,552 seconds is equal to 4 years, 21 weeks, 4 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 138,903,552 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 138903552 cubic inches would be around 43.2 feet tall.

Recreational maths with 138903552

• 138903552 backwards is 255309831
• 138903552 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138903552's digits is 36
• More coming soon!