155820480

Names of 155820480

• Cardinal: 155820480 can be written as One hundred fifty-five million, eight hundred twenty thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.5582048 × 10⁸

Factors of 155820480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 232

Divisors of 155820480

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 145 160 174 192 193 232 240 290 320 348 386 435 464 480 579 580 696 772 841 870 928 960 965 1158 1160 1392 1544 1682 1740 1856 1930 2316 2320 2523 2784 2895 3088 3364 3480 3860 4205 4632 4640 5046 5568 5597 5790 6176 6728 6960 7720 8410 9264 9280 10092 11194 11580 12352 12615 13456 13920 15440 16791 16820 18528 20184 22388 23160 25230 26912 27840 27985 30880 33582 33640 37056 40368 44776 46320 50460 53824 55970 61760 67164 67280 80736 83955 89552 92640 100920 111940 134328 134560 161472 162313 167910 179104 185280 201840 223880 268656 269120 324626 335820 358208 403680 447760 486939 537312 649252 671640 807360 811565 895520 973878 1074624 1298504 1343280 1623130 1791040 1947756 2434695 2597008 2686560 3246260 3895512 4869390 5194016 5373120 6492520 7791024 9738780 10388032 12985040 15582048 19477560 25970080 31164096 38955120 51940160 77910240 155820480
• Sum of all divisors σ(n): 515032752
• Sum of proper divisors (its aliquot sum) s(n): 359212272
• 155820480 is an abundant number, because the sum of its proper divisors (359212272) is greater than itself. Its abundance is 203391792

Bases of 155820480

• Binary: 1001010010011010000111000000₂
• Hexadecimal: 0x949A1C0
• Base-36: 2KRRUO

Squares and roots of 155820480

• 155820480 squared (155820480²) is 24280021987430400
• 155820480 cubed (155820480³) is 3783324680491958894592000
• The square root of 155820480 is 12482.8073765479
• The cube root of 155820480 is 538.1146874343

Scales and comparisons

• 155,820,480 seconds is equal to 4 years, 49 weeks, 4 days, 11 hours, 28 minutes.
• To count from 1 to 155,820,480 would take you about seven 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 155820480 cubic inches would be around 44.8 feet tall.

Recreational maths with 155820480

• 155820480 backwards is 084028551
• The number of decimal digits it has is: 9
• The sum of 155820480's digits is 33
• More coming soon!