138727390080

Names of 138727390080

• Cardinal: 138727390080 can be written as One hundred thirty-eight billion, seven hundred twenty-seven million, three hundred ninety thousand and eighty.

Scientific notation

• Scientific notation: 1.3872739008 × 10¹¹

Factors of 138727390080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 19941

Divisors of 138727390080

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 64 80 82 89 96 120 123 128 160 164 178 192 205 240 246 267 320 328 356 384 410 445 480 492 534 615 640 656 712 820 890 960 984 1068 1230 1312 1335 1424 1640 1780 1920 1968 2136 2460 2624 2670 2848 3280 3560 3649 3936 4272 4920 5248 5340 5696 6560 7120 7298 7872 8544 9840 10680 10947 11392 13120 14240 14596 15744 17088 18245 19680 19801 21360 21894 26240 28480 29192 34176 36490 39360 39602 42720 43788 54735 56960 58384 59403 72980 78720 79204 85440 87576 99005 109470 116768 118806 145960 158408 170880 175152 198010 218940 233536 237612 291920 297015 316816 350304 396020 437880 467072 475224 583840 594030 633632 700608 792040 811841 875760 950448 1167680 1188060 1267264 1401216 1584080 1623682 1751520 1762289 1900896 2335360 2376120 2435523 2534528 3168160 3247364 3503040 3524578 3801792 4059205 4752240 4871046 5286867 6336320 6494728 7006080 7049156 7603584 8118410 8811445 9504480 9742092 10573734 12177615 12672640 12989456 14098312 16236820 17622890 19008960 19484184 21147468 24355230 25978912 26434335 28196624 32473640 35245780 38017920 38968368 42294936 48710460 51957824 52868670 56393248 64947280 70491560 72253849 77936736 84589872 97420920 103915648 105737340 112786496 129894560 140983120 144507698 155873472 169179744 194841840 211474680 216761547 225572992 259789120 281966240 289015396 311746944 338359488 361269245 389683680 422949360 433523094 519578240 563932480 578030792 676718976 722538490 779367360 845898720 867046188 1083807735 1127864960 1156061584 1445076980 1558734720 1691797440 1734092376 2167615470 2312123168 2890153960 3383594880 3468184752 4335230940 4624246336 5780307920 6936369504 8670461880 9248492672 11560615840 13872739008 17340923760 23121231680 27745478016 34681847520 46242463360 69363695040 138727390080
• Sum of all divisors σ(n): 458091547200
• Sum of proper divisors (its aliquot sum) s(n): 319364157120
• 138727390080 is an abundant number, because the sum of its proper divisors (319364157120) is greater than itself. Its abundance is 180636767040

Bases of 138727390080

• Binary: 10000001001100110010111111101110000000₂
• Hexadecimal: 0x204CCBFB80
• Base-36: 1RQAPF9C

Squares and roots of 138727390080

• 138727390080 squared (138727390080²) is 19245288758408482406400
• 138727390080 cubed (138727390080³) is 2669848680789972418773469888512000
• The square root of 138727390080 is 372461.2598378521
• The cube root of 138727390080 is 5176.7128073515

Scales and comparisons

• 138,727,390,080 seconds is equal to 4,411 years, 5 weeks, 2 days, 2 hours, 8 minutes.
• To count from 1 to 138,727,390,080 would take you about eight thousand, eight hundred twenty-two 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 138727390080 cubic inches would be around 431.4 feet tall.

Recreational maths with 138727390080

• 138727390080 backwards is 080093727831
• 138727390080 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138727390080's digits is 48
• More coming soon!