138548736

Names of 138548736

• Cardinal: 138548736 can be written as One hundred thirty-eight million, five hundred forty-eight thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.38548736 × 10⁸

Factors of 138548736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 393

Divisors of 138548736

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 107 128 144 192 214 256 281 288 321 384 428 512 562 576 642 768 843 856 963 1124 1152 1284 1536 1686 1712 1926 2248 2304 2529 2568 3372 3424 3852 4496 4608 5058 5136 6744 6848 7704 8992 10116 10272 13488 13696 15408 17984 20232 20544 26976 27392 30067 30816 35968 40464 41088 53952 54784 60134 61632 71936 80928 82176 90201 107904 120268 123264 143872 161856 164352 180402 215808 240536 246528 270603 323712 360804 431616 481072 493056 541206 647424 721608 962144 1082412 1294848 1443216 1924288 2164824 2886432 3848576 4329648 5772864 7697152 8659296 11545728 15394304 17318592 23091456 34637184 46182912 69274368 138548736
• Sum of all divisors σ(n): 405034344
• Sum of proper divisors (its aliquot sum) s(n): 266485608
• 138548736 is an abundant number, because the sum of its proper divisors (266485608) is greater than itself. Its abundance is 127936872

Bases of 138548736

• Binary: 1000010000100001011000000000₂
• Hexadecimal: 0x8421600
• Base-36: 2AHKW0

Squares and roots of 138548736

• 138548736 squared (138548736²) is 19195752247197696
• 138548736 cubed (138548736³) is 2659547210418400322912256
• The square root of 138548736 is 11770.6727080485
• The cube root of 138548736 is 517.4489650715

Scales and comparisons

• 138,548,736 seconds is equal to 4 years, 21 weeks, 13 hours, 45 minutes, 36 seconds.
• To count from 1 to 138,548,736 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 138548736 cubic inches would be around 43.1 feet tall.

Recreational maths with 138548736

• 138548736 backwards is 637845831
• The number of decimal digits it has is: 9
• The sum of 138548736's digits is 45
• More coming soon!