138909129945351200

Names of 138909129945351200

• Cardinal: 138909129945351200 can be written as One hundred thirty-eight quadrillion, nine hundred nine trillion, one hundred twenty-nine billion, nine hundred forty-five million, three hundred fifty-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.389091299453512 × 10¹⁷

Factors of 138909129945351200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15845

Divisors of 138909129945351200

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 881 1762 3524 4405 7048 8810 14096 14957 17620 22025 28192 29914 35240 44050 59828 70480 74785 88100 119656 140960 149570 176200 239312 299140 352400 373925 478624 598280 704800 747850 776161 1196560 1495700 1552322 2393120 2991400 3104644 3880805 5982800 6209288 7761610 11965600 12418576 13177117 15523220 19404025 24837152 26354234 31046440 38808050 52708468 62092880 65885585 77616100 105416936 124185760 131771170 155232200 210833872 223711849 263542340 310464400 329427925 421667744 447423698 527084680 620928800 658855850 894847396 1054169360 1118559245 1317711700 1789694792 2108338720 2237118490 2635423400 3579389584 4474236980 5270846800 5592796225 7158779168 8948473960 10541693600 11185592450 11609040077 17896947920 22371184900 23218080154 35793895840 44742369800 46436160308 58045200385 89484739600 92872320616 116090400770 178969479200 185744641232 197090138969 232180801540 290226001925 371489282464 394180277938 464361603080 580452003850 788360555876 928723206160 985450694845 1160904007700 1576721111752 1857446412320 1970901389690 2321808015400 3153442223504 3941802779380 4643616030800 4927253474225 6306884447008 7883605558760 9287232061600 9854506948450 15767211117520 19709013896900 31534422235040 39418027793800 78836055587600 157672111175200 173636412431689 347272824863378 694545649726756 868182062158445 1389091299453512 1736364124316890 2778182598907024 3472728248633780 4340910310792225 5556365197814048 6945456497267560 8681820621584450 13890912994535120 17363641243168900 27781825989070240 34727282486337800 69454564972675600 138909129945351200
• Sum of all divisors σ(n): 339519967166692053
• Sum of proper divisors (its aliquot sum) s(n): 200610837221340853
• 138909129945351200 is an abundant number, because the sum of its proper divisors (200610837221340853) is greater than itself. Its abundance is 61701707275989653

Bases of 138909129945351200

• Binary: 111101101100000010001111000100010011100111000010000100000₂
• Hexadecimal: 0x1ED811E22738420
• Base-36: 11ZR6DC20D28

Squares and roots of 138909129945351200

• 138909129945351200 squared (138909129945351200²) is 19295746382174465475898491341440000
• 138909129945351200 cubed (138909129945351200³) is 2680355341594013122581919471652681873579913728000000
• The square root of 138909129945351200 is 372705151.4875414223
• The cube root of 138909129945351200 is 517897.2405710667

Scales and comparisons

• 138,909,129,945,351,200 seconds is equal to 4,416,880,658 years, 5 weeks, 5 days, 16 hours, 13 minutes, 20 seconds.
• To count from 1 to 138,909,129,945,351,200 would take you about thirteen billion, two hundred fifty million, six hundred forty-one thousand, nine hundred seventy-four 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 138909129945351200 cubic inches would be around 43158.1 feet tall.

Recreational maths with 138909129945351200

• 138909129945351200 backwards is 002153549921909831
• The number of decimal digits it has is: 18
• The sum of 138909129945351200's digits is 71
• More coming soon!