138938856980

Names of 138938856980

• Cardinal: 138938856980 can be written as One hundred thirty-eight billion, nine hundred thirty-eight million, eight hundred fifty-six thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.3893885698 × 10¹¹

Factors of 138938856980

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 363

Divisors of 138938856980

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 10 11 14 17 19 20 22 28 34 35 38 44 55 61 68 70 76 77 85 95 110 119 122 133 140 154 170 187 190 209 220 238 241 244 266 305 308 323 340 361 374 380 385 418 427 476 482 532 595 610 646 665 671 722 748 770 836 854 935 964 1037 1045 1159 1190 1205 1220 1292 1309 1330 1342 1444 1463 1540 1615 1687 1708 1805 1870 2074 2090 2135 2261 2318 2380 2410 2527 2618 2651 2660 2684 2926 3230 3355 3374 3553 3610 3740 3971 4097 4148 4180 4270 4522 4579 4636 4697 4820 5054 5185 5236 5302 5795 5852 6137 6460 6545 6710 6748 7106 7220 7259 7315 7942 8113 8194 8435 8540 9044 9158 9394 10108 10370 10604 11305 11407 11590 12274 12635 12749 13090 13255 13420 14212 14518 14630 14701 15884 16226 16388 16870 17765 18316 18557 18788 19703 19855 20485 20740 22021 22610 22814 22895 23180 23485 24548 24871 25270 25498 26180 26510 27797 28679 29036 29260 29402 30685 32053 32452 33740 35530 36295 37114 39406 39710 40565 40970 42959 44042 45067 45220 45628 45790 46970 49742 50369 50540 50996 53020 55594 57035 57358 58804 61370 63745 64106 67507 71060 72590 73505 74228 77843 78812 79420 79849 81130 81940 85918 87001 88084 89243 90134 91580 92785 93940 98515 99484 100738 102907 110105 111188 114070 114716 122740 124355 127490 128212 135014 137921 138985 143395 145180 147010 154147 155686 159698 160265 161711 162260 171836 174002 178486 180268 185570 197030 201476 205814 214795 216733 220210 225335 228140 242231 248710 249917 251845 254980 270028 275842 277970 279319 286790 294020 308294 311372 315469 319396 320530 323422 337535 348004 352583 356972 371140 374357 389215 394060 399245 411628 429590 433466 435005 440420 446215 450670 472549 484462 497420 499834 503690 514535 544901 551684 555940 558638 573580 609007 616588 630938 641060 646844 675070 689605 705166 748714 770735 778430 798490 808555 856273 859180 866932 870010 892430 901340 945098 957011 968924 999668 1007380 1029070 1083665 1089802 1117276 1131977 1211155 1218014 1249585 1261876 1350140 1379210 1396595 1410332 1479017 1497428 1517131 1541470 1556860 1577345 1596980 1617110 1695617 1712546 1740020 1749419 1762915 1784860 1871785 1890196 1914022 1955233 2058140 2167330 2179604 2263954 2362745 2422310 2436028 2499170 2620499 2724505 2749087 2758420 2793190 2958034 3034262 3045035 3072509 3082940 3154690 3234220 3391234 3425092 3498838 3525830 3743570 3828044 3910466 4117927 4281365 4334660 4527908 4725490 4748423 4785055 4844620 4998340 5240998 5307061 5449010 5498174 5586380 5659885 5916068 5993911 6068524 6090070 6145018 6309380 6699077 6782468 6997676 7051660 7395085 7487140 7585655 7820932 8235854 8478085 8562730 8747095 9450980 9496846 9570110 9776165 10353119 10481996 10614122 10898020 10996348 11319770 11987822 12180140 12290036 13102495 13398154 13745435 14790170 15171310 15362545 16269187 16471708 16956170 17125460 17494190 18993692 19140220 19243609 19552330 20589635 20706238 21228244 21507563 22639540 23742115 23975644 26204990 26535305 26796308 27490870 28825489 29580340 29969555 30342620 30725090 32538374 33238961 33495385 33912340 34988380 37149427 38487218 39104660 41179270 41412476 43015126 47484230 51765595 52232653 52409980 53070610 54981740 57650978 58377671 59939110 61450180 65076748 66477922 66990770 74298854 76974436 81345935 82358540 86030252 90220037 94968460 96218045 103531190 104465306 106141220 107537815 113884309 115301956 116755342 119878220 132955844 133981540 144127445 148597708 162691870 166194805 180440074 185747135 192436090 207062380 208930612 215075630 227768618 233510684 261163265 288254890 291888355 325383740 332389610 360880148 365628571 371494270 384872180 408643697 430151260 451100185 455537236 522326530 569421545 576509780 583776710 631540259 664779220 731257142 742988540 817287394 902200370 992420407 1044653060 1138843090 1167553420 1263080518 1462514284 1634574788 1804400740 1828142855 1984840814 2043218485 2277686180 2526161036 3157701295 3656285710 3969681628 4086436970 4962102035 6315402590 6946942849 7312571420 8172873940 9924204070 12630805180 13893885698 19848408140 27787771396 34734714245 69469428490 138938856980
• Sum of all divisors σ(n): 414882445824
• Sum of proper divisors (its aliquot sum) s(n): 275943588844
• 138938856980 is an abundant number, because the sum of its proper divisors (275943588844) is greater than itself. Its abundance is 137004731864

Bases of 138938856980

• Binary: 10000001011001011001101011011000010100₂
• Hexadecimal: 0x205966B614
• Base-36: 1RTSLW5W

Squares and roots of 138938856980

• 138938856980 squared (138938856980²) is 19304005978908894720400
• 138938856980 cubed (138938856980³) is 2682076525844687820007532688392000
• The square root of 138938856980 is 372745.0294504275
• The cube root of 138938856980 is 5179.3418187007

Scales and comparisons

• 138,938,856,980 seconds is equal to 4,417 years, 42 weeks, 6 days, 14 hours, 56 minutes, 20 seconds.
• To count from 1 to 138,938,856,980 would take you about eight thousand, eight hundred thirty-five 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 138938856980 cubic inches would be around 431.6 feet tall.

Recreational maths with 138938856980

• 138938856980 backwards is 089658839831
• 138938856980 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138938856980's digits is 68
• More coming soon!