138781557337740

Names of 138781557337740

• Cardinal: 138781557337740 can be written as One hundred thirty-eight trillion, seven hundred eighty-one billion, five hundred fifty-seven million, three hundred thirty-seven thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.3878155733774 × 10¹⁴

Factors of 138781557337740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14871

Divisors of 138781557337740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 37 38 57 60 61 74 76 95 111 114 122 148 183 185 190 222 228 244 285 305 366 370 380 444 555 570 610 703 732 740 915 1110 1140 1159 1220 1406 1830 2109 2220 2257 2318 2812 3477 3515 3660 4218 4514 4636 5795 6733 6771 6954 7030 8011 8436 9028 10545 11285 11590 13466 13542 13908 14060 16022 17385 20199 21090 22570 23180 24033 26932 27084 32044 33665 33855 34770 40055 40398 42180 42883 45140 48066 67330 67710 69540 80110 80796 85766 96132 100995 120165 127927 128649 134660 135420 152209 160220 171532 201990 214415 240330 249121 255854 257298 296407 304418 383781 403980 410713 428830 456627 480660 488671 498242 511708 514596 592814 608836 639635 643245 747363 761045 767562 821426 857660 889221 913254 977342 996484 1185628 1232139 1245605 1279270 1286490 1466013 1482035 1494726 1522090 1535124 1642852 1778442 1826508 1918905 1954684 2053565 2283135 2443355 2464278 2491210 2558540 2572980 2932026 2964070 2989452 3044180 3556884 3736815 3837810 4107130 4446105 4566270 4733299 4886710 4928556 4982420 5631733 5864052 5928140 6160695 7330065 7473630 7675620 7803547 8214260 8892210 9132540 9284749 9466598 9773420 11263466 12321390 14199897 14660130 14947260 15196381 15607094 16895199 17784420 18080827 18569498 18933196 22526932 23410641 23666495 24642780 27854247 28158665 28399794 29320260 30392762 31214188 33790398 36161654 37138996 39017735 45589143 46423745 46821282 47332990 53938063 54242481 55708494 56317330 56799588 60785524 67580796 70999485 72323308 75981905 78035470 84475995 90404135 91178286 92847490 93642564 94665980 107876126 108484962 111416988 112634660 117053205 139271235 141998970 151963810 156070940 161814189 168951990 180808270 182356572 185694980 215752252 216969924 227945715 234106410 269690315 271212405 278542470 283997940 288731239 303927620 323628378 337903980 343535713 361616540 455891430 468212820 539380630 542424810 557084940 577462478 647256756 687071426 809070945 866193717 911782860 1024823197 1030607139 1078761260 1084849620 1154924956 1374142852 1443656195 1618141890 1717678565 1732387434 1995708331 2049646394 2061214278 2887312390 3074469591 3236283780 3290221843 3435357130 3464774868 3991416662 4099292788 4122428556 4330968585 5124115985 5153035695 5774624780 5987124993 6148939182 6580443686 6870714260 7982833324 8661937170 9870665529 9978541655 10248231970 10306071390 11974249986 12297878364 13160887372 15372347955 16451109215 17323874340 19741331058 19957083310 20496463940 20612142780 23948499972 29935624965 30744695910 32902218430 37918458289 39482662116 39914166620 49353327645 59871249930 61489391820 62514215017 65804436860 75836916578 98706655290 113755374867 119742499860 121738208191 125028430034 151673833156 187542645051 189592291445 197413310580 227510749734 243476416382 250056860068 312571075085 365214624573 375085290102 379184582890 455021499468 486952832764 568776874335 608691040955 625142150170 730429249146 750170580204 758369165780 937713225255 1137553748670 1217382081910 1250284300340 1460858498292 1826073122865 1875426450510 2275107497340 2313025955629 2434764163820 3652146245730 3750852901020 4626051911258 6939077866887 7304292491460 9252103822516 11565129778145 13878155733774 23130259556290 27756311467548 34695389334435 46260519112580 69390778668870 138781557337740
• Sum of all divisors σ(n): 427099060577280
• Sum of proper divisors (its aliquot sum) s(n): 288317503239540
• 138781557337740 is an abundant number, because the sum of its proper divisors (288317503239540) is greater than itself. Its abundance is 149535945901800

Bases of 138781557337740

• Binary: 11111100011100010011001011011010010111010001100₂
• Hexadecimal: 0x7E38996D2E8C
• Base-36: 1D6ZD806TO

Squares and roots of 138781557337740

• 138781557337740 squared (138781557337740²) is 19260320657088415236428307600
• 138781557337740 cubed (138781557337740³) is 2672977295614974051899085009554229808824000
• The square root of 138781557337740 is 11780558.4476178377
• The cube root of 138781557337740 is 51773.8648313335

Scales and comparisons

• 138,781,557,337,740 seconds is equal to 4,412,824 years, 12 weeks, 4 days, 17 hours, 49 minutes.
• To count from 1 to 138,781,557,337,740 would take you about eleven million, thirty-two thousand and sixty 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 138781557337740 cubic inches would be around 4314.5 feet tall.

Recreational maths with 138781557337740

• 138781557337740 backwards is 047733755187831
• The number of decimal digits it has is: 15
• The sum of 138781557337740's digits is 69
• More coming soon!