138220145588891680

Names of 138220145588891680

• Cardinal: 138220145588891680 can be written as One hundred thirty-eight quadrillion, two hundred twenty trillion, one hundred forty-five billion, five hundred eighty-eight million, eight hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3822014558889168 × 10¹⁷

Factors of 138220145588891680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 127045594

Divisors of 138220145588891680

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 79 80 158 160 316 395 632 790 1264 1580 2528 3160 6320 12640 86131 172262 344524 430655 689048 861310 1378096 1722620 2756192 3445240 6804349 6890480 13608698 13780960 27217396 34021745 54434792 68043490 108869584 126959377 136086980 217739168 253918754 272173960 507837508 544347920 634796885 1015675016 1088695840 1269593770 2031350032 2539187540 4062700064 5078375080 10029790783 10156750160 20059581566 20313500320 40119163132 50148953915 80238326264 100297907830 160476652528 200595815660 320953305056 401191631320 802383262640 1604766525280 10935138100387 21870276200774 43740552401548 54675690501935 87481104803096 109351381003870 174962209606192 218702762007740 349924419212384 437405524015480 863875909930573 874811048030960 1727751819861146 1749622096061920 3455503639722292 4319379549652865 6911007279444584 8638759099305730 13822014558889168 17277518198611460 27644029117778336 34555036397222920 69110072794445840 138220145588891680
• Sum of all divisors σ(n): 330682418011895040
• Sum of proper divisors (its aliquot sum) s(n): 192462272423003360
• 138220145588891680 is an abundant number, because the sum of its proper divisors (192462272423003360) is greater than itself. Its abundance is 54242126834111680

Bases of 138220145588891680

• Binary: 111101011000011100111110101110110101000001111000000100000₂
• Hexadecimal: 0x1EB0E7D76A0F020
• Base-36: 11SYYAAH810G

Squares and roots of 138220145588891680

• 138220145588891680 squared (138220145588891680²) is 19104808646614412144580610773222400
• 138220145588891680 cubed (138220145588891680³) is 2640669432582960665696980465297841018917038149632000
• The square root of 138220145588891680 is 371779700.3453680767
• The cube root of 138220145588891680 is 517039.5703530061

Scales and comparisons

• 138,220,145,588,891,680 seconds is equal to 4,394,973,086 years, 38 weeks, 5 days, 3 hours, 14 minutes, 40 seconds.
• To count from 1 to 138,220,145,588,891,680 would take you about thirteen billion, one hundred eighty-four million, nine hundred nineteen thousand, two hundred sixty 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 138220145588891680 cubic inches would be around 43086.6 feet tall.

Recreational maths with 138220145588891680

• 138220145588891680 backwards is 086198885541022831
• 138220145588891680 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138220145588891680's digits is 79
• More coming soon!