13538155140

Names of 13538155140

• Cardinal: 13538155140 can be written as Thirteen billion, five hundred thirty-eight million, one hundred fifty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.353815514 × 10¹⁰

Factors of 13538155140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 184

Divisors of 13538155140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 101 146 180 202 219 292 303 365 404 438 505 606 657 730 876 909 1010 1095 1212 1314 1460 1515 1818 2020 2190 2628 3030 3285 3636 4380 4545 6060 6570 7373 9090 10201 13140 14746 18180 20402 22119 29492 30603 36865 40804 44238 51005 61206 66357 73730 88476 91809 102010 110595 122412 132714 147460 153015 183618 204020 221190 265428 306030 331785 367236 442380 459045 612060 663570 744673 918090 1030301 1327140 1489346 1836180 2060602 2234019 2978692 3090903 3723365 4121204 4468038 5151505 6181806 6702057 7446730 8936076 9272709 10303010 11170095 12363612 13404114 14893460 15454515 18545418 20606020 22340190 26808228 30909030 33510285 37090836 44680380 46363545 61818060 67020570 75211973 92727090 134041140 150423946 185454180 225635919 300847892 376059865 451271838 676907757 752119730 902543676 1128179595 1353815514 1504239460 2256359190 2707631028 3384538785 4512718380 6769077570 13538155140
• Sum of all divisors σ(n): 42044564016
• Sum of proper divisors (its aliquot sum) s(n): 28506408876
• 13538155140 is an abundant number, because the sum of its proper divisors (28506408876) is greater than itself. Its abundance is 14968253736

Bases of 13538155140

• Binary: 1100100110111011111101101010000100₂
• Hexadecimal: 0x326EFDA84
• Base-36: 67W9ND0

Squares and roots of 13538155140

• 13538155140 squared (13538155140²) is 183281644594708419600
• 13538155140 cubed (13538155140³) is 2481295338837505007609016744000
• The square root of 13538155140 is 116353.5781142979
• The cube root of 13538155140 is 2383.3427089901

Scales and comparisons

• 13,538,155,140 seconds is equal to 430 years, 24 weeks, 3 days, 14 hours, 39 minutes.
• To count from 1 to 13,538,155,140 would take you about eight 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 13538155140 cubic inches would be around 198.6 feet tall.

Recreational maths with 13538155140

• 13538155140 backwards is 04155183531
• 13538155140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13538155140's digits is 36
• More coming soon!