135791280640

Names of 135791280640

• Cardinal: 135791280640 can be written as One hundred thirty-five billion, seven hundred ninety-one million, two hundred eighty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3579128064 × 10¹¹

Factors of 135791280640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 45881

Divisors of 135791280640

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1187 1280 2374 2560 4748 5935 9496 11870 18992 23740 37984 44687 47480 75968 89374 94960 151936 178748 189920 223435 303872 357496 379840 446870 607744 714992 759680 893740 1429984 1519360 1787480 2859968 3038720 3574960 5719936 7149920 11439872 14299840 22879744 28599680 53043469 57199360 106086938 114398720 212173876 265217345 424347752 530434690 848695504 1060869380 1697391008 2121738760 3394782016 4243477520 6789564032 8486955040 13579128064 16973910080 27158256128 33947820160 67895640320 135791280640
• Sum of all divisors σ(n): 325862393472
• Sum of proper divisors (its aliquot sum) s(n): 190071112832
• 135791280640 is an abundant number, because the sum of its proper divisors (190071112832) is greater than itself. Its abundance is 54279832192

Bases of 135791280640

• Binary: 1111110011101110010101000001000000000₂
• Hexadecimal: 0x1F9DCA8200
• Base-36: 1QDQMEPS

Squares and roots of 135791280640

• 135791280640 squared (135791280640²) is 18439271897851238809600
• 135791280640 cubed (135791280640³) is 2503892345078382982166053126144000
• The square root of 135791280640 is 368498.6847194981
• The cube root of 135791280640 is 5139.9310684331

Scales and comparisons

• 135,791,280,640 seconds is equal to 4,317 years, 38 weeks, 4 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 135,791,280,640 would take you about eight thousand, six hundred thirty-five 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 135791280640 cubic inches would be around 428.3 feet tall.

Recreational maths with 135791280640

• 135791280640 backwards is 046082197531
• The number of decimal digits it has is: 12
• The sum of 135791280640's digits is 46
• More coming soon!