138160890

Names of 138160890

• Cardinal: 138160890 can be written as One hundred thirty-eight million, one hundred sixty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.3816089 × 10⁸

Factors of 138160890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 76

Divisors of 138160890

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 59 63 70 81 90 98 105 118 126 135 147 162 177 189 210 245 270 294 295 315 354 378 405 413 441 490 531 567 590 630 735 810 826 882 885 945 1062 1134 1239 1323 1470 1593 1770 1890 2065 2205 2478 2646 2655 2835 2891 3186 3481 3717 3969 4130 4410 4779 5310 5670 5782 6195 6615 6962 7434 7938 7965 8673 9558 10443 11151 12390 13230 14455 15930 17346 17405 18585 19845 20886 22302 23895 24367 26019 28910 31329 33453 34810 37170 39690 43365 47790 48734 52038 52215 55755 62658 66906 73101 78057 86730 93987 104430 111510 121835 130095 146202 156114 156645 167265 170569 187974 219303 234171 243670 260190 281961 313290 334530 341138 365505 390285 438606 468342 469935 511707 563922 657909 731010 780570 852845 939870 1023414 1096515 1170855 1315818 1409805 1535121 1705690 1973727 2193030 2341710 2558535 2819610 3070242 3289545 3947454 4605363 5117070 6579090 7675605 9210726 9868635 13816089 15351210 19737270 23026815 27632178 46053630 69080445 138160890
• Sum of all divisors σ(n): 439600986
• Sum of proper divisors (its aliquot sum) s(n): 301440096
• 138160890 is an abundant number, because the sum of its proper divisors (301440096) is greater than itself. Its abundance is 163279206

Bases of 138160890

• Binary: 1000001111000010101011111010₂
• Hexadecimal: 0x83C2AFA
• Base-36: 2A99MI

Squares and roots of 138160890

• 138160890 squared (138160890²) is 19088431525592100
• 138160890 cubed (138160890³) is 2637274688279862312969000
• The square root of 138160890 is 11754.1860628459
• The cube root of 138160890 is 516.9656740739

Scales and comparisons

• 138,160,890 seconds is equal to 4 years, 20 weeks, 3 days, 2 hours, 1 minute, 30 seconds.
• To count from 1 to 138,160,890 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 138160890 cubic inches would be around 43.1 feet tall.

Recreational maths with 138160890

• 138160890 backwards is 098061831
• The number of decimal digits it has is: 9
• The sum of 138160890's digits is 36
• More coming soon!