138172038480

Names of 138172038480

• Cardinal: 138172038480 can be written as One hundred thirty-eight billion, one hundred seventy-two million, thirty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.3817203848 × 10¹¹

Factors of 138172038480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1996

Divisors of 138172038480

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 98 105 112 120 126 140 144 147 168 180 196 210 240 245 252 280 294 315 336 360 392 420 441 490 504 560 588 630 720 735 784 840 882 980 1008 1176 1260 1470 1680 1764 1960 1979 2205 2352 2520 2940 3528 3920 3958 4410 5040 5880 5937 7056 7916 8820 9895 11760 11874 13853 15832 17640 17811 19790 23748 27706 29685 31664 35280 35622 39580 41559 47496 55412 59370 69265 71244 79160 83118 89055 94992 96971 110824 118740 124677 138530 142488 158320 166236 178110 193942 207795 221648 237480 249354 277060 284976 290913 332472 356220 387884 415590 474960 484855 498708 554120 581826 623385 664944 712440 775768 831180 872739 969710 997416 1108240 1163652 1246770 1424880 1454565 1551536 1662360 1745478 1939420 1994832 2327304 2493540 2909130 3324720 3490956 3878840 3916441 4363695 4654608 4987080 5818260 6981912 7757680 7832882 8727390 9974160 11636520 11749323 13963824 15665764 17454780 19582205 23273040 23498646 27415087 31331528 34909560 35247969 39164410 46997292 54830174 58746615 62663056 69819120 70495938 78328820 82245261 93994584 109660348 117493230 137075435 140991876 156657640 164490522 176239845 187989168 191905609 219320696 234986460 246735783 274150870 281983752 313315280 328981044 352479690 383811218 411226305 438641392 469972920 493471566 548301740 563967504 575716827 657962088 704959380 767622436 822452610 939945840 959528045 986943132 1096603480 1151433654 1233678915 1315924176 1409918760 1535244872 1644905220 1727150481 1919056090 1973886264 2193206960 2302867308 2467357830 2819837520 2878584135 3070489744 3289810440 3454300962 3838112180 3947772528 4605734616 4934715660 5757168270 6579620880 6908601924 7676224360 8635752405 9211469232 9869431320 11514336540 13817203848 15352448720 17271504810 19738862640 23028673080 27634407696 34543009620 46057346160 69086019240 138172038480
• Sum of all divisors σ(n): 540060292746
• Sum of proper divisors (its aliquot sum) s(n): 401888254266
• 138172038480 is an abundant number, because the sum of its proper divisors (401888254266) is greater than itself. Its abundance is 263716215786

Bases of 138172038480

• Binary: 10000000101011101100011111110101010000₂
• Hexadecimal: 0x202BB1FD50
• Base-36: 1RH42B80

Squares and roots of 138172038480

• 138172038480 squared (138172038480²) is 19091512217718600710400
• 138172038480 cubed (138172038480³) is 2637913160788004635169144136192000
• The square root of 138172038480 is 371714.9963076551
• The cube root of 138172038480 is 5169.7957869971

Scales and comparisons

• 138,172,038,480 seconds is equal to 4,393 years, 23 weeks, 9 hours, 48 minutes.
• To count from 1 to 138,172,038,480 would take you about eight thousand, seven hundred eighty-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 138172038480 cubic inches would be around 430.8 feet tall.

Recreational maths with 138172038480

• 138172038480 backwards is 084830271831
• 138172038480 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138172038480's digits is 45
• More coming soon!