155989116840

Names of 155989116840

• Cardinal: 155989116840 can be written as One hundred fifty-five billion, nine hundred eighty-nine million, one hundred sixteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.5598911684 × 10¹¹

Factors of 155989116840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 30230502

Divisors of 155989116840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 30230449 60460898 90691347 120921796 151152245 181382694 241843592 302304490 362765388 453456735 604608980 725530776 906913470 1209217960 1299909307 1813826940 2599818614 3627653880 3899727921 5199637228 6499546535 7799455842 10399274456 12999093070 15598911684 19498639605 25998186140 31197823368 38997279210 51996372280 77994558420 155989116840
• Sum of all divisors σ(n): 478850328000
• Sum of proper divisors (its aliquot sum) s(n): 322861211160
• 155989116840 is an abundant number, because the sum of its proper divisors (322861211160) is greater than itself. Its abundance is 166872094320

Bases of 155989116840

• Binary: 10010001010001101011010000011110101000₂
• Hexadecimal: 0x2451AD07A8
• Base-36: 1ZNRW4VC

Squares and roots of 155989116840

• 155989116840 squared (155989116840²) is 24332604572523171585600
• 155989116840 cubed (155989116840³) is 3795621497684835266073526461504000
• The square root of 155989116840 is 394954.5756666201
• The cube root of 155989116840 is 5383.0874246373

Scales and comparisons

• 155,989,116,840 seconds is equal to 4,959 years, 50 weeks, 3 days, 14 hours, 14 minutes.
• To count from 1 to 155,989,116,840 would take you about nine thousand, nine hundred nineteen 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 155989116840 cubic inches would be around 448.6 feet tall.

Recreational maths with 155989116840

• 155989116840 backwards is 048611989551
• The number of decimal digits it has is: 12
• The sum of 155989116840's digits is 57
• More coming soon!