138866992710

Names of 138866992710

• Cardinal: 138866992710 can be written as One hundred thirty-eight billion, eight hundred sixty-six million, nine hundred ninety-two thousand, seven hundred ten.

Scientific notation

• Scientific notation: 1.3886699271 × 10¹¹

Factors of 138866992710

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 945

Divisors of 138866992710

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 15 17 19 29 30 31 34 38 51 57 58 62 85 87 93 95 102 114 145 155 170 174 186 190 255 285 290 310 323 361 435 465 493 510 527 551 570 589 646 722 839 870 899 930 969 986 1054 1083 1102 1178 1479 1581 1615 1653 1678 1767 1798 1805 1938 2166 2465 2517 2635 2697 2755 2945 2958 3162 3230 3306 3534 3610 4195 4495 4845 4930 5034 5270 5394 5415 5510 5890 6137 7395 7905 8265 8390 8835 8990 9367 9690 10013 10469 10830 11191 12274 12585 13485 14263 14790 15283 15810 15941 16530 17081 17670 18411 18734 20026 20938 22382 24331 25170 26009 26970 28101 28526 30039 30566 30685 31407 31882 33573 34162 36822 42789 45849 46835 47823 48662 50065 51243 52018 52345 55955 56202 60078 61370 62814 67146 71315 72993 76415 78027 79705 85405 85578 91698 92055 93670 95646 100130 102486 104690 111910 121655 130045 140505 142630 145986 150195 152830 156054 157035 159410 167865 170810 177973 184110 190247 213945 229245 239115 243310 256215 260090 270997 281010 290377 300390 302879 314070 324539 335730 355946 364965 380494 390135 413627 427890 442153 458490 462289 478230 494171 512430 533919 541994 570741 580754 605758 649078 729930 754261 780270 812991 827254 871131 884306 889865 908637 924578 951235 973617 988342 1067838 1141482 1240881 1326459 1354985 1386867 1451885 1482513 1508522 1514395 1622695 1625982 1742262 1779730 1817274 1902470 1947234 2068135 2210765 2262783 2311445 2470855 2481762 2652918 2669595 2709970 2773734 2853705 2903770 2965026 3028790 3245390 3771305 4064955 4136270 4355655 4421530 4525566 4543185 4622890 4868085 4941710 5148943 5339190 5517163 5707410 6204405 6632295 6934335 7412565 7542610 7858913 8129910 8400907 8711310 8783491 9086370 9389249 9736170 10297886 11034326 11313915 12408810 12822437 13264590 13868670 14330959 14825130 15446829 15717826 16551489 16801814 17566982 18778498 22627830 23576739 25202721 25644874 25744715 26350473 27585815 28167747 28661918 30893658 33102978 38467311 39294565 42004535 42992877 43917455 46946245 47153478 50405442 51489430 52700946 55171630 56335494 64112185 71654795 76934622 77234145 78589130 82757445 84009070 85985754 87834910 93892490 117883695 126013605 128224370 131752365 140838735 143309590 149319347 154468290 159617233 165514890 192336555 214964385 235767390 243626303 252027210 263504730 272288221 281677470 298638694 319234466 384673110 429928770 447958041 478851699 487252606 544576442 730878909 746596735 798086165 816864663 895916082 957703398 1218131515 1361441105 1461757818 1493193470 1596172330 1633729326 2239790205 2394258495 2436263030 2722882210 3654394545 4084323315 4479580410 4628899757 4788516990 7308789090 8168646630 9257799514 13886699271 23144498785 27773398542 46288997570 69433496355 138866992710
• Sum of all divisors σ(n): 398180966400
• Sum of proper divisors (its aliquot sum) s(n): 259313973690
• 138866992710 is an abundant number, because the sum of its proper divisors (259313973690) is greater than itself. Its abundance is 120446980980

Bases of 138866992710

• Binary: 10000001010101000111100010011001000110₂
• Hexadecimal: 0x20551E2646
• Base-36: 1RSLTLC6

Squares and roots of 138866992710

• 138866992710 squared (138866992710²) is 19284041664319193144100
• 138866992710 cubed (138866992710³) is 2677916873218349661454816679511000
• The square root of 138866992710 is 372648.6182853763
• The cube root of 138866992710 is 5178.4486828785

Scales and comparisons

• 138,866,992,710 seconds is equal to 4,415 years, 28 weeks, 20 hours, 38 minutes, 30 seconds.
• To count from 1 to 138,866,992,710 would take you about eight thousand, eight hundred thirty-one 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 138866992710 cubic inches would be around 431.5 feet tall.

Recreational maths with 138866992710

• 138866992710 backwards is 017299668831
• The number of decimal digits it has is: 12
• The sum of 138866992710's digits is 60
• More coming soon!