155709555072

Names of 155709555072

• Cardinal: 155709555072 can be written as One hundred fifty-five billion, seven hundred nine million, five hundred fifty-five thousand and seventy-two.

Scientific notation

• Scientific notation: 1.55709555072 × 10¹¹

Factors of 155709555072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2487859

Divisors of 155709555072

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 163 192 326 384 489 652 978 1304 1956 2608 3912 5216 7824 10432 15648 20864 31296 62592 2487691 4975382 7463073 9950764 14926146 19901528 29852292 39803056 59704584 79606112 119409168 159212224 238818336 318424448 405493633 477636672 810987266 955273344 1216480899 1621974532 2432961798 3243949064 4865923596 6487898128 9731847192 12975796256 19463694384 25951592512 38927388768 51903185024 77854777536 155709555072
• Sum of all divisors σ(n): 416141117760
• Sum of proper divisors (its aliquot sum) s(n): 260431562688
• 155709555072 is an abundant number, because the sum of its proper divisors (260431562688) is greater than itself. Its abundance is 104722007616

Bases of 155709555072

• Binary: 10010001000001000000110100000110000000₂
• Hexadecimal: 0x2441034180
• Base-36: 1ZJ5G5MO

Squares and roots of 155709555072

• 155709555072 squared (155709555072²) is 24245465540720200925184
• 155709555072 cubed (155709555072³) is 3775250651859050384502843399733248
• The square root of 155709555072 is 394600.5005977565
• The cube root of 155709555072 is 5379.8696673373

Scales and comparisons

• 155,709,555,072 seconds is equal to 4,951 years, 4 weeks, 1 day, 22 hours, 11 minutes, 12 seconds.
• To count from 1 to 155,709,555,072 would take you about nine thousand, nine hundred two 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 155709555072 cubic inches would be around 448.3 feet tall.

Recreational maths with 155709555072

• 155709555072 backwards is 270555907551
• The number of decimal digits it has is: 12
• The sum of 155709555072's digits is 51
• More coming soon!