138663864900

Names of 138663864900

• Cardinal: 138663864900 can be written as One hundred thirty-eight billion, six hundred sixty-three million, eight hundred sixty-four thousand, nine hundred.

Scientific notation

• Scientific notation: 1.386638649 × 10¹¹

Factors of 138663864900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 150659

Divisors of 138663864900

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 27 30 31 33 36 44 45 50 54 55 60 62 66 75 90 93 99 100 108 110 124 132 135 150 155 165 180 186 198 220 225 270 275 279 297 300 310 330 341 372 396 450 465 495 540 550 558 594 620 660 675 682 775 825 837 900 930 990 1023 1100 1116 1188 1350 1364 1395 1485 1550 1650 1674 1705 1860 1980 2046 2325 2475 2700 2790 2970 3069 3100 3300 3348 3410 4092 4185 4650 4950 5115 5580 5940 6138 6820 6975 7425 8370 8525 9207 9300 9900 10230 12276 13950 14850 15345 16740 17050 18414 20460 20925 25575 27900 29700 30690 34100 36828 41850 46035 51150 61380 76725 83700 92070 102300 150607 153450 184140 230175 301214 306900 451821 460350 602428 753035 903642 920700 1355463 1506070 1656677 1807284 2259105 2710926 3012140 3313354 3765175 4066389 4518210 4668817 4970031 5421852 6626708 6777315 7530350 8132778 8283385 9036420 9337634 9940062 11295525 13554630 14006451 14910093 15060700 16265556 16566770 18675268 19880124 20331945 22591050 23344085 24850155 27109260 28012902 29820186 33133540 33886575 40663890 41416925 42019353 44730279 45182100 46688170 49700310 51356987 56025804 59640372 67773150 70032255 74550465 81327780 82833850 84038706 89460558 93376340 99400620 101659725 102713974 116720425 124250775 126058059 135546300 140064510 149100930 154070961 165667700 168077412 178921116 203319450 205427948 210096765 223651395 233440850 248501550 252116118 256784935 280129020 298201860 308141922 350161275 372752325 406638900 420193530 447302790 462212883 466881700 497003100 504232236 513569870 616283844 630290295 700322550 745504650 770354805 840387060 894605580 924425766 1027139740 1050483825 1118256975 1260580590 1283924675 1386638649 1400645100 1491009300 1540709610 1848851532 2100967650 2236513950 2311064415 2521161180 2567849350 2773277298 3081419220 3151451475 3851774025 4201935300 4473027900 4622128830 5135698700 5546554596 6302902950 6933193245 7703548050 9244257660 11555322075 12605805900 13866386490 15407096100 23110644150 27732772980 34665966225 46221288300 69331932450 138663864900
• Sum of all divisors σ(n): 501994536960
• Sum of proper divisors (its aliquot sum) s(n): 363330672060
• 138663864900 is an abundant number, because the sum of its proper divisors (363330672060) is greater than itself. Its abundance is 224666807160

Bases of 138663864900

• Binary: 10000001001001000000101010101001000100₂
• Hexadecimal: 0x204902AA44
• Base-36: 1RP8VUX0

Squares and roots of 138663864900

• 138663864900 squared (138663864900²) is 19227667429005452010000
• 138663864900 cubed (138663864900³) is 2666182678717742338878073449000000
• The square root of 138663864900 is 372375.9725062829
• The cube root of 138663864900 is 5175.9225240469

Scales and comparisons

• 138,663,864,900 seconds is equal to 4,409 years, 4 weeks, 1 day, 20 hours, 15 minutes.
• To count from 1 to 138,663,864,900 would take you about eight thousand, eight hundred eighteen 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 138663864900 cubic inches would be around 431.3 feet tall.

Recreational maths with 138663864900

• 138663864900 backwards is 009468366831
• 138663864900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138663864900's digits is 54
• More coming soon!