138207863115

Names of 138207863115

• Cardinal: 138207863115 can be written as One hundred thirty-eight billion, two hundred seven million, eight hundred sixty-three thousand, one hundred fifteen.

Scientific notation

• Scientific notation: 1.38207863115 × 10¹¹

Factors of 138207863115

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7293

Divisors of 138207863115

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 5 7 9 15 21 27 31 35 45 49 63 81 93 105 135 147 155 189 217 245 279 315 405 441 465 567 651 735 837 945 961 1085 1323 1395 1519 1953 2205 2511 2835 2883 3255 3969 4185 4557 4805 5859 6615 6727 7247 7595 8649 9765 12555 13671 14415 17577 19845 20181 21741 22785 25947 29295 33635 36235 41013 43245 47089 50729 60543 65223 68355 77841 87885 100905 108705 123039 129735 141267 152187 181629 195669 205065 224657 235445 253645 302715 326115 355103 389205 423801 456561 544887 587007 615195 673971 706335 760935 908145 978345 1065309 1123285 1271403 1369683 1572599 1775515 2021913 2119005 2282805 2724435 2935035 3195927 3369855 3814209 4109049 4717797 5326545 6065739 6357015 6848415 6964367 7862995 9587781 10109565 11008193 14153391 15979635 18197217 19071045 20545245 20893101 23588985 28763343 30328695 33024579 34821835 42460173 47938905 48750569 55040965 62679303 70766955 90986085 99073737 104465505 127380519 143816715 146251707 165122895 188037909 212300865 243752845 297221211 313396515 341253983 438755121 495368685 564113727 636902595 731258535 891663633 940189545 1023761949 1316265363 1486106055 1706269915 2193775605 2820568635 3071285847 3948796089 4458318165 5118809745 6581326815 9213857541 15356429235 19743980445 27641572623 46069287705 138207863115
• Sum of all divisors σ(n): 297837178848
• Sum of proper divisors (its aliquot sum) s(n): 159629315733
• 138207863115 is an abundant number, because the sum of its proper divisors (159629315733) is greater than itself. Its abundance is 21421452618

Bases of 138207863115

• Binary: 10000000101101110101001010000101001011₂
• Hexadecimal: 0x202DD4A14B
• Base-36: 1RHPE5OR

Squares and roots of 138207863115

• 138207863115 squared (138207863115²) is 19101413426814577503225
• 138207863115 cubed (138207863115³) is 2639965532196212198052279271045875
• The square root of 138207863115 is 371763.1814946175
• The cube root of 138207863115 is 5170.2425489829

Scales and comparisons

• 138,207,863,115 seconds is equal to 4,394 years, 30 weeks, 2 days, 1 hour, 5 minutes, 15 seconds.
• To count from 1 to 138,207,863,115 would take you about eight thousand, seven hundred eighty-nine 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 138207863115 cubic inches would be around 430.9 feet tall.

Recreational maths with 138207863115

• 138207863115 backwards is 511368702831
• 138207863115 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138207863115's digits is 45
• More coming soon!