155288138808

Names of 155288138808

• Cardinal: 155288138808 can be written as One hundred fifty-five billion, two hundred eighty-eight million, one hundred thirty-eight thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.55288138808 × 10¹¹

Factors of 155288138808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 734

Divisors of 155288138808

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 197 242 264 363 394 484 521 591 726 788 968 1042 1182 1452 1563 1576 2084 2167 2364 2904 3126 4168 4334 4728 5731 6252 6501 8668 11462 12504 13002 17193 17336 22924 23837 26004 34386 45848 47674 52008 63041 68772 71511 95348 102637 126082 137544 143022 189123 190696 205274 252164 271441 286044 307911 378246 410548 504328 542882 572088 615822 756492 814323 821096 1085764 1129007 1231644 1512984 1628646 2171528 2258014 2463288 2985851 3257292 3387021 4516028 5971702 6514584 6774042 8957553 9032056 11943404 12419077 13548084 17915106 23886808 24838154 27096168 32844361 35830212 37257231 49676308 53473877 65688722 71660424 74514462 98533083 99352616 106947754 131377444 149028924 160421631 197066166 213895508 262754888 298057848 320843262 394132332 427791016 588212647 641686524 788264664 1176425294 1283373048 1764637941 2352850588 3529275882 4705701176 6470339117 7058551764 12940678234 14117103528 19411017351 25881356468 38822034702 51762712936 77644069404 155288138808
• Sum of all divisors σ(n): 429712418520
• Sum of proper divisors (its aliquot sum) s(n): 274424279712
• 155288138808 is an abundant number, because the sum of its proper divisors (274424279712) is greater than itself. Its abundance is 119136140904

Bases of 155288138808

• Binary: 10010000100111111001001111010000111000₂
• Hexadecimal: 0x2427E4F438
• Base-36: 1ZC6JQRC

Squares and roots of 155288138808

• 155288138808 squared (155288138808²) is 24114406054452675660864
• 155288138808 cubed (155288138808³) is 3744681234656322704491251965210112
• The square root of 155288138808 is 394066.1604451719
• The cube root of 155288138808 is 5375.0118773331

Scales and comparisons

• 155,288,138,808 seconds is equal to 4,937 years, 35 weeks, 3 days, 10 hours, 6 minutes, 48 seconds.
• To count from 1 to 155,288,138,808 would take you about nine thousand, eight hundred seventy-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 155288138808 cubic inches would be around 447.9 feet tall.

Recreational maths with 155288138808

• 155288138808 backwards is 808831882551
• The number of decimal digits it has is: 12
• The sum of 155288138808's digits is 57
• More coming soon!