138335040

Names of 138335040

• Cardinal: 138335040 can be written as One hundred thirty-eight million, three hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 1.3833504 × 10⁸

Factors of 138335040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 603

Divisors of 138335040

• Number of divisors d(n): 196
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 243 270 288 320 324 360 405 432 480 486 540 576 593 648 720 729 810 864 960 972 1080 1186 1215 1296 1440 1458 1620 1728 1779 1944 2160 2372 2430 2592 2880 2916 2965 3240 3558 3645 3888 4320 4744 4860 5184 5337 5832 5930 6480 7116 7290 7776 8640 8895 9488 9720 10674 11664 11860 12960 14232 14580 15552 16011 17790 18976 19440 21348 23328 23720 25920 26685 28464 29160 32022 35580 37952 38880 42696 46656 47440 48033 53370 56928 58320 64044 71160 77760 80055 85392 94880 96066 106740 113856 116640 128088 142320 144099 160110 170784 189760 192132 213480 233280 240165 256176 284640 288198 320220 341568 384264 426960 432297 480330 512352 569280 576396 640440 720495 768528 853920 864594 960660 1024704 1152792 1280880 1440990 1537056 1707840 1729188 1921320 2161485 2305584 2561760 2881980 3074112 3458376 3842640 4322970 4611168 5123520 5763960 6916752 7685280 8645940 9222336 11527920 13833504 15370560 17291880 23055840 27667008 34583760 46111680 69167520 138335040
• Sum of all divisors σ(n): 494722404
• Sum of proper divisors (its aliquot sum) s(n): 356387364
• 138335040 is an abundant number, because the sum of its proper divisors (356387364) is greater than itself. Its abundance is 218052324

Bases of 138335040

• Binary: 1000001111101101001101000000₂
• Hexadecimal: 0x83ED340
• Base-36: 2AD000

Squares and roots of 138335040

• 138335040 squared (138335040²) is 19136583291801600
• 138335040 cubed (138335040³) is 2647260015134706008064000
• The square root of 138335040 is 11761.5917290135
• The cube root of 138335040 is 517.1827923711

Scales and comparisons

• 138,335,040 seconds is equal to 4 years, 20 weeks, 5 days, 2 hours, 24 minutes.
• To count from 1 to 138,335,040 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 138335040 cubic inches would be around 43.1 feet tall.

Recreational maths with 138335040

• 138335040 backwards is 040533831
• 138335040 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138335040's digits is 27
• More coming soon!