138389621850

Names of 138389621850

• Cardinal: 138389621850 can be written as One hundred thirty-eight billion, three hundred eighty-nine million, six hundred twenty-one thousand, eight hundred fifty.

Scientific notation

• Scientific notation: 1.3838962185 × 10¹¹

Factors of 138389621850

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 78

Divisors of 138389621850

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 31 37 45 50 54 62 74 75 81 90 93 111 135 150 155 162 185 186 222 225 270 279 310 333 370 405 450 465 555 558 666 675 775 810 837 925 930 961 999 1110 1147 1350 1395 1550 1665 1674 1850 1922 1998 2025 2294 2325 2511 2775 2790 2883 2997 3330 3441 4050 4185 4650 4805 4995 5022 5550 5735 5766 5994 6882 6975 8325 8370 8649 9610 9990 10323 11470 12555 13950 14415 14985 16650 17205 17298 20646 20925 24025 24975 25110 25947 28675 28830 29791 29970 30969 34410 35557 41850 43245 48050 49950 51615 51894 57350 59582 61938 62775 71114 72075 74925 77841 86025 86490 89373 92907 103230 106671 125550 129735 144150 148955 149850 154845 155682 172050 177785 178746 185814 213342 216225 258075 259470 268119 297910 309690 320013 355570 389205 432450 446865 464535 516150 533355 536238 640026 648675 744775 774225 778410 804357 888925 893730 923521 929070 960039 1066710 1102267 1297350 1340595 1489550 1548450 1600065 1608714 1777850 1847042 1920078 1946025 2204534 2234325 2322675 2413071 2666775 2681190 2770563 2880117 3200130 3306801 3892050 4021785 4468650 4617605 4645350 4800195 4826142 5333550 5511335 5541126 5760234 6613602 6702975 8000325 8043570 8311689 9235210 9600390 9920403 11022670 12065355 13405950 13852815 14400585 16000650 16534005 16623378 19840806 20108925 23088025 24000975 24130710 24935067 27556675 27705630 28801170 29761209 33068010 34170277 40217850 41558445 46176050 48001950 49602015 49870134 55113350 59522418 60326775 68340554 69264075 72002925 74805201 82670025 83116890 89283627 99204030 102510831 120653550 124675335 138528150 144005850 148806045 149610402 165340050 170851385 178567254 205021662 207792225 248010075 249350670 297612090 307532493 341702770 374026005 415584450 446418135 496020150 512554155 615064986 623376675 744030225 748052010 854256925 892836270 922597479 1025108310 1246753350 1488060450 1537662465 1708513850 1845194958 1870130025 2232090675 2562770775 2767792437 3075324930 3740260050 4464181350 4612987395 5125541550 5535584874 7688312325 9225974790 13838962185 15376624650 23064936975 27677924370 46129873950 69194810925 138389621850
• Sum of all divisors σ(n): 408074178270
• Sum of proper divisors (its aliquot sum) s(n): 269684556420
• 138389621850 is an abundant number, because the sum of its proper divisors (269684556420) is greater than itself. Its abundance is 131294934570

Bases of 138389621850

• Binary: 10000000111000101010100000110001011010₂
• Hexadecimal: 0x2038AA0C5A
• Base-36: 1RKPLVMI

Squares and roots of 138389621850

• 138389621850 squared (138389621850²) is 19151687435785997422500
• 138389621850 cubed (138389621850³) is 2650394782027820340824849681625000
• The square root of 138389621850 is 372007.5561732583
• The cube root of 138389621850 is 5172.5080377717

Scales and comparisons

• 138,389,621,850 seconds is equal to 4,400 years, 18 weeks, 5 days, 17 hours, 37 minutes, 30 seconds.
• To count from 1 to 138,389,621,850 would take you about eight thousand, eight hundred 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 138389621850 cubic inches would be around 431 feet tall.

Recreational maths with 138389621850

• 138389621850 backwards is 058126983831
• 138389621850 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138389621850's digits is 54
• More coming soon!