138627072

Names of 138627072

• Cardinal: 138627072 can be written as One hundred thirty-eight million, six hundred twenty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 1.38627072 × 10⁸

Factors of 138627072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 137

Divisors of 138627072

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 92 96 108 109 128 138 144 184 192 207 216 218 256 276 288 327 368 384 414 432 436 512 552 576 621 654 736 768 828 864 872 981 1024 1104 1152 1242 1308 1472 1536 1656 1728 1744 1962 2048 2208 2304 2484 2507 2616 2943 2944 3072 3312 3456 3488 3924 4416 4608 4968 5014 5232 5886 5888 6144 6624 6912 6976 7521 7848 8832 9216 9936 10028 10464 11772 11776 13248 13824 13952 15042 15696 17664 18432 19872 20056 20928 22563 23544 23552 26496 27648 27904 30084 31392 35328 39744 40112 41856 45126 47088 47104 52992 55296 55808 60168 62784 67689 70656 79488 80224 83712 90252 94176 105984 111616 120336 125568 135378 141312 158976 160448 167424 180504 188352 211968 223232 240672 251136 270756 317952 320896 334848 361008 376704 423936 481344 502272 541512 635904 641792 669696 722016 753408 962688 1004544 1083024 1271808 1283584 1444032 1506816 1925376 2009088 2166048 2567168 2888064 3013632 3850752 4332096 5134336 5776128 6027264 7701504 8664192 11552256 15403008 17328384 23104512 34656768 46209024 69313536 138627072
• Sum of all divisors σ(n): 432432000
• Sum of proper divisors (its aliquot sum) s(n): 293804928
• 138627072 is an abundant number, because the sum of its proper divisors (293804928) is greater than itself. Its abundance is 155177856

Bases of 138627072

• Binary: 1000010000110100100000000000₂
• Hexadecimal: 0x8434800
• Base-36: 2AJ9C0

Squares and roots of 138627072

• 138627072 squared (138627072²) is 19217465091293184
• 138627072 cubed (138627072³) is 2664060916868186791477248
• The square root of 138627072 is 11773.9998301339
• The cube root of 138627072 is 517.5464692571

Scales and comparisons

• 138,627,072 seconds is equal to 4 years, 21 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 138,627,072 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 138627072 cubic inches would be around 43.1 feet tall.

Recreational maths with 138627072

• 138627072 backwards is 270726831
• 138627072 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138627072's digits is 36
• More coming soon!