155429331840

Names of 155429331840

• Cardinal: 155429331840 can be written as One hundred fifty-five billion, four hundred twenty-nine million, three hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.5542933184 × 10¹¹

Factors of 155429331840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 333149

Divisors of 155429331840

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 270 288 320 324 360 384 405 432 480 486 540 576 640 648 720 729 810 864 960 972 1080 1152 1215 1296 1440 1458 1620 1728 1920 1944 2160 2430 2592 2880 2916 3240 3456 3645 3888 4320 4860 5184 5760 5832 6480 7290 7776 8640 9720 10368 11664 12960 14580 15552 17280 19440 23328 25920 29160 31104 38880 46656 51840 58320 77760 93312 116640 155520 233280 333139 466560 666278 999417 1332556 1665695 1998834 2665112 2998251 3331390 3997668 4997085 5330224 5996502 6662780 7995336 8994753 9994170 10660448 11993004 13325560 14991255 15990672 17989506 19988340 21320896 23986008 26651120 26984259 29982510 31981344 35979012 39976680 42641792 44973765 47972016 53302240 53968518 59965020 63962688 71958024 79953360 80952777 89947530 95944032 106604480 107937036 119930040 127925376 134921295 143916048 159906720 161905554 179895060 191888064 213208960 215874072 239860080 242858331 269842590 287832096 319813440 323811108 359790120 383776128 404763885 431748144 479720160 485716662 539685180 575664192 639626880 647622216 719580240 809527770 863496288 959440320 971433324 1079370360 1151328384 1214291655 1295244432 1439160480 1619055540 1726992576 1918880640 1942866648 2158740720 2428583310 2590488864 2878320960 3238111080 3453985152 3885733296 4317481440 4857166620 5180977728 5756641920 6476222160 7771466592 8634962880 9714333240 10361955456 12952444320 15542933184 17269925760 19428666480 25904888640 31085866368 38857332960 51809777280 77714665920 155429331840
• Sum of all divisors σ(n): 557106690600
• Sum of proper divisors (its aliquot sum) s(n): 401677358760
• 155429331840 is an abundant number, because the sum of its proper divisors (401677358760) is greater than itself. Its abundance is 246248026920

Bases of 155429331840

• Binary: 10010000110000010011110110001110000000₂
• Hexadecimal: 0x24304F6380
• Base-36: 1ZEIM000

Squares and roots of 155429331840

• 155429331840 squared (155429331840²) is 24158277196228837785600
• 155429331840 cubed (155429331840³) is 3754904883015356824755553173504000
• The square root of 155429331840 is 394245.2686336261
• The cube root of 155429331840 is 5376.6404291253

Scales and comparisons

• 155,429,331,840 seconds is equal to 4,942 years, 8 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 155,429,331,840 would take you about nine thousand, eight hundred eighty-four 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 155429331840 cubic inches would be around 448.1 feet tall.

Recreational maths with 155429331840

• 155429331840 backwards is 048133924551
• 155429331840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155429331840's digits is 45
• More coming soon!