155361816215431

Names of 155361816215431

• Cardinal: 155361816215431 can be written as One hundred fifty-five trillion, three hundred sixty-one billion, eight hundred sixteen million, two hundred fifteen thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.55361816215431 × 10¹⁴

Factors of 155361816215431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 11795

Divisors of 155361816215431

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 19 49 133 307 361 931 2149 2527 3673 5833 7789 15043 17689 25711 40831 54523 69787 110827 147991 179977 285817 381661 488509 775789 1035937 1127611 1325953 2391223 2811829 3419563 5430523 7251559 7893277 9281671 16738561 19682803 21424609 28608997 45433237 55252939 64971697 117169927 137779621 149972263 200262979 318032659 407067571 543570943 863231503 1049805841 1401840853 2226228613 2849472997 3804996601 6042620521 8782962079 10327847917 19946310979 26634976207 42298343647 61480734553 72294935419 166876279501 430365141871 506064547933 1168133956507 3170649310519 8176937695549 22194545173633 155361816215431
• Sum of all divisors σ(n): 191437563184560
• Sum of proper divisors (its aliquot sum) s(n): 36075746969129
• 155361816215431 is a deficient number, because the sum of its proper divisors (36075746969129) is less than itself. Its deficiency is 119286069246302

Bases of 155361816215431

• Binary: 100011010100110011111101110111011111111110000111₂
• Hexadecimal: 0x8D4CFDDDFF87
• Base-36: 1J2K8E1UO7

Squares and roots of 155361816215431

• 155361816215431 squared (155361816215431²) is 24137293937757358811802515761
• 155361816215431 cubed (155361816215431³) is 3750013824695695602670246648183009748907991
• The square root of 155361816215431 is 12464422.0169019871
• The cube root of 155361816215431 is 53758.6181201723

Scales and comparisons

• 155,361,816,215,431 seconds is equal to 4,940,025 years, 9 weeks, 6 days, 3 hours, 50 minutes, 31 seconds.
• To count from 1 to 155,361,816,215,431 would take you about twelve million, three hundred fifty thousand and sixty-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 155361816215431 cubic inches would be around 4479.9 feet tall.

Recreational maths with 155361816215431

• 155361816215431 backwards is 134512618163551
• The number of decimal digits it has is: 15
• The sum of 155361816215431's digits is 52
• More coming soon!