138236121180

Names of 138236121180

• Cardinal: 138236121180 can be written as One hundred thirty-eight billion, two hundred thirty-six million, one hundred twenty-one thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.3823612118 × 10¹¹

Factors of 138236121180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19815

Divisors of 138236121180

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 204 255 257 270 306 324 340 405 459 510 514 540 612 765 771 810 918 1020 1028 1285 1377 1530 1542 1620 1836 2295 2313 2570 2754 3060 3084 3855 4369 4590 4626 5140 5508 6885 6939 7710 8738 9180 9252 11565 13107 13770 13878 15420 17476 19531 20817 21845 23130 26214 27540 27756 34695 39062 39321 41634 43690 46260 52428 58593 65535 69390 78124 78642 83268 87380 97655 104085 117186 117963 131070 138780 157284 175779 195310 196605 208170 234372 235926 262140 292965 332027 351558 353889 390620 393210 416340 471852 527337 585930 589815 664054 703116 707778 786420 878895 996081 1054674 1171860 1179630 1328108 1415556 1582011 1660135 1757790 1769445 1992162 2109348 2359260 2636685 2988243 3164022 3320270 3515580 3538890 3984324 4980405 5019467 5273370 5976486 6328044 6640540 7077780 7910055 8964729 9960810 10038934 10546740 11952972 14941215 15058401 15820110 17929458 19921620 20077868 25097335 26894187 29882430 30116802 31640220 35858916 44823645 45175203 50194670 53788374 59764860 60233604 75292005 85330939 89647290 90350406 100389340 107576748 134470935 135525609 150584010 170661878 179294580 180700812 225876015 255992817 268941870 271051218 301168020 341323756 406576827 426654695 451752030 511985634 537883740 542102436 677628045 767978451 813153654 853309390 903504060 1023971268 1279964085 1355256090 1535956902 1626307308 1706618780 2032884135 2303935353 2559928170 2710512180 3071913804 3839892255 4065768270 4607870706 5119856340 6911806059 7679784510 8131536540 9215741412 11519676765 13823612118 15359569020 23039353530 27647224236 34559030295 46078707060 69118060590 138236121180
• Sum of all divisors σ(n): 460970981856
• Sum of proper divisors (its aliquot sum) s(n): 322734860676
• 138236121180 is an abundant number, because the sum of its proper divisors (322734860676) is greater than itself. Its abundance is 184498739496

Bases of 138236121180

• Binary: 10000000101111100000111101000001011100₂
• Hexadecimal: 0x202F83D05C
• Base-36: 1RI67TR0

Squares and roots of 138236121180

• 138236121180 squared (138236121180²) is 19109225198891644592400
• 138236121180 cubed (138236121180³) is 2641585170249894983564498107032000
• The square root of 138236121180 is 371801.1850169389
• The cube root of 138236121180 is 5170.5948952981

Scales and comparisons

• 138,236,121,180 seconds is equal to 4,395 years, 25 weeks, 2 hours, 33 minutes.
• To count from 1 to 138,236,121,180 would take you about eight thousand, seven hundred ninety 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 138236121180 cubic inches would be around 430.9 feet tall.

Recreational maths with 138236121180

• 138236121180 backwards is 081121632831
• 138236121180 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138236121180's digits is 36
• More coming soon!