138749203125

Names of 138749203125

• Cardinal: 138749203125 can be written as One hundred thirty-eight billion, seven hundred forty-nine million, two hundred three thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.38749203125 × 10¹¹

Factors of 138749203125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 958

Divisors of 138749203125

• Number of divisors d(n): 196
• Complete list of divisors:
  1 3 5 9 13 15 25 27 39 45 65 75 81 117 125 135 195 225 243 325 351 375 405 585 625 675 729 937 975 1053 1125 1215 1625 1755 1875 2025 2811 2925 3125 3159 3375 3645 4685 4875 5265 5625 6075 8125 8433 8775 9375 9477 10125 12181 14055 14625 15625 15795 16875 18225 23425 24375 25299 26325 28125 30375 36543 40625 42165 43875 46875 47385 50625 60905 70275 73125 75897 78975 84375 91125 109629 117125 121875 126495 131625 140625 151875 182715 203125 210825 219375 227691 236925 253125 304525 328887 351375 365625 379485 394875 421875 455625 548145 585625 609375 632475 658125 683073 759375 913575 986661 1054125 1096875 1138455 1184625 1265625 1522625 1644435 1756875 1828125 1897425 1974375 2278125 2740725 2928125 2959983 3162375 3290625 3415365 3796875 4567875 4933305 5270625 5484375 5692275 5923125 7613125 8222175 8784375 8879949 9487125 9871875 11390625 13703625 14640625 14799915 15811875 16453125 17076825 22839375 24666525 26353125 28461375 29615625 38065625 41110875 43921875 44399745 47435625 49359375 68518125 73999575 79059375 85384125 114196875 123332625 131765625 142306875 148078125 190328125 205554375 221998725 237178125 342590625 369997875 395296875 426920625 570984375 616663125 711534375 1027771875 1109993625 1185890625 1712953125 1849989375 2134603125 3083315625 3557671875 5138859375 5549968125 9249946875 10673015625 15416578125 27749840625 46249734375 138749203125
• Sum of all divisors σ(n): 280333833556
• Sum of proper divisors (its aliquot sum) s(n): 141584630431
• 138749203125 is an abundant number, because the sum of its proper divisors (141584630431) is greater than itself. Its abundance is 2835427306

Bases of 138749203125

• Binary: 10000001001110000110001101001010110101₂
• Hexadecimal: 0x204E18D2B5
• Base-36: 1RQNOYB9

Squares and roots of 138749203125

• 138749203125 squared (138749203125²) is 19251341367822509765625
• 138749203125 cubed (138749203125³) is 2671108273872720746417999267578125
• The square root of 138749203125 is 372490.5409872847
• The cube root of 138749203125 is 5176.9841163111

Scales and comparisons

• 138,749,203,125 seconds is equal to 4,411 years, 41 weeks, 2 days, 13 hours, 18 minutes, 45 seconds.
• To count from 1 to 138,749,203,125 would take you about eight thousand, eight hundred twenty-three 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 138749203125 cubic inches would be around 431.4 feet tall.

Recreational maths with 138749203125

• 138749203125 backwards is 521302947831
• 138749203125 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138749203125's digits is 45
• More coming soon!