138346340

Names of 138346340

• Cardinal: 138346340 can be written as One hundred thirty-eight million, three hundred forty-six thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.3834634 × 10⁸

Factors of 138346340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 627

Divisors of 138346340

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 34 44 55 68 71 85 110 142 170 187 220 284 340 355 374 521 710 748 781 935 1042 1207 1420 1562 1870 2084 2414 2605 3124 3740 3905 4828 5210 5731 6035 7810 8857 10420 11462 12070 13277 15620 17714 22924 24140 26554 28655 35428 36991 44285 53108 57310 66385 73982 88570 97427 114620 132770 147964 177140 184955 194854 265540 369910 389708 406901 487135 628847 739820 813802 974270 1257694 1627604 1948540 2034505 2515388 3144235 4069010 6288470 6917317 8138020 12576940 13834634 27669268 34586585 69173170 138346340
• Sum of all divisors σ(n): 340962048
• Sum of proper divisors (its aliquot sum) s(n): 202615708
• 138346340 is an abundant number, because the sum of its proper divisors (202615708) is greater than itself. Its abundance is 64269368

Bases of 138346340

• Binary: 1000001111101111111101100100₂
• Hexadecimal: 0x83EFF64
• Base-36: 2AD8PW

Squares and roots of 138346340

• 138346340 squared (138346340²) is 19139709791395600
• 138346340 cubed (138346340³) is 2647908798301744752104000
• The square root of 138346340 is 11762.0720963613
• The cube root of 138346340 is 517.1968741405

Scales and comparisons

• 138,346,340 seconds is equal to 4 years, 20 weeks, 5 days, 5 hours, 32 minutes, 20 seconds.
• To count from 1 to 138,346,340 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 138346340 cubic inches would be around 43.1 feet tall.

Recreational maths with 138346340

• 138346340 backwards is 043643831
• The number of decimal digits it has is: 9
• The sum of 138346340's digits is 32
• More coming soon!