138623930620

Names of 138623930620

• Cardinal: 138623930620 can be written as One hundred thirty-eight billion, six hundred twenty-three million, nine hundred thirty thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.3862393062 × 10¹¹

Factors of 138623930620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 183

Divisors of 138623930620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 28 34 35 43 68 70 85 86 109 119 140 170 172 215 218 238 289 301 340 430 436 476 545 578 595 602 731 763 860 1090 1156 1190 1204 1445 1462 1505 1526 1849 1853 2023 2180 2380 2890 2924 3010 3052 3655 3698 3706 3815 4046 4687 4913 5117 5780 6020 7310 7396 7412 7630 8092 9245 9265 9374 9826 10115 10234 12427 12943 12971 14620 15260 18490 18530 18748 19652 20230 20468 23435 24565 24854 25585 25886 25942 31433 31501 32809 34391 36980 37060 40460 46870 49130 49708 51170 51772 51884 62135 62866 63002 64715 64855 65618 68782 79679 86989 93740 98260 102340 124270 125732 126004 129430 129710 131236 137564 157165 157505 159358 164045 171955 173978 201541 211259 220031 220507 248540 258860 259420 314330 315010 318716 328090 343910 347956 398395 403082 422518 434945 440062 441014 534361 535517 557753 628660 630020 656180 687820 796790 806164 845036 869890 880124 882028 1007705 1056295 1068722 1071034 1100155 1102535 1115506 1354543 1410787 1478813 1593580 1739780 2015410 2112590 2137444 2142068 2200310 2205070 2231012 2671805 2677585 2709086 2788765 2821574 2957626 3426197 3740527 3748619 4030820 4225180 4400620 4410140 5343610 5355170 5418172 5577530 5643148 5915252 6772715 6852394 7053935 7394065 7481054 7497238 9084137 9481801 10687220 10710340 11155060 13545430 13704788 14107870 14788130 14962108 14994476 17130985 18168274 18702635 18743095 18963602 23027231 23983379 27090860 28215740 29576260 34261970 36336548 37405270 37486190 37927204 45420685 46054462 47409005 47966758 58245349 63588959 68523940 74810540 74972380 90841370 92108924 94818010 95933516 115136155 116490698 119916895 127177918 161190617 181682740 189636020 230272310 232981396 239833790 254355836 291226745 317944795 322381234 407717443 460544620 479667580 582453490 635889590 644762468 805953085 815434886 990170933 1164906980 1271779180 1611906170 1630869772 1980341866 2038587215 3223812340 3960683732 4077174430 4950854665 6931196531 8154348860 9901709330 13862393062 19803418660 27724786124 34655982655 69311965310 138623930620
• Sum of all divisors σ(n): 365218761600
• Sum of proper divisors (its aliquot sum) s(n): 226594830980
• 138623930620 is an abundant number, because the sum of its proper divisors (226594830980) is greater than itself. Its abundance is 87970900360

Bases of 138623930620

• Binary: 10000001000110101000010101000011111100₂
• Hexadecimal: 0x2046A150FC
• Base-36: 1ROL3XFG

Squares and roots of 138623930620

• 138623930620 squared (138623930620²) is 19216594140538573584400
• 138623930620 cubed (138623930620³) is 2663879812890717753997630314328000
• The square root of 138623930620 is 372322.3477311025
• The cube root of 138623930620 is 5175.4255991387

Scales and comparisons

• 138,623,930,620 seconds is equal to 4,407 years, 42 weeks, 1 day, 15 hours, 23 minutes, 40 seconds.
• To count from 1 to 138,623,930,620 would take you about eight thousand, eight hundred fifteen 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 138623930620 cubic inches would be around 431.3 feet tall.

Recreational maths with 138623930620

• 138623930620 backwards is 026039326831
• 138623930620 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138623930620's digits is 43
• More coming soon!