155338040

Names of 155338040

• Cardinal: 155338040 can be written as One hundred fifty-five million, three hundred thirty-eight thousand and forty.

Scientific notation

• Scientific notation: 1.5533804 × 10⁸

Factors of 155338040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2120

Divisors of 155338040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 169 220 260 286 338 440 520 572 676 715 845 1144 1352 1430 1690 1859 2089 2860 3380 3718 4178 5720 6760 7436 8356 9295 10445 14872 16712 18590 20890 22979 27157 37180 41780 45958 54314 74360 83560 91916 108628 114895 135785 183832 217256 229790 271570 298727 353041 459580 543140 597454 706082 919160 1086280 1194908 1412164 1493635 1765205 2389816 2824328 2987270 3530410 3883451 5974540 7060820 7766902 11949080 14121640 15533804 19417255 31067608 38834510 77669020 155338040
• Sum of all divisors σ(n): 413067600
• Sum of proper divisors (its aliquot sum) s(n): 257729560
• 155338040 is an abundant number, because the sum of its proper divisors (257729560) is greater than itself. Its abundance is 102391520

Bases of 155338040

• Binary: 1001010000100100010100111000₂
• Hexadecimal: 0x9424538
• Base-36: 2KHFLK

Squares and roots of 155338040

• 155338040 squared (155338040²) is 24129906671041600
• 155338040 cubed (155338040³) is 3748292407662526902464000
• The square root of 155338040 is 12463.4682171537
• The cube root of 155338040 is 537.5587561513

Scales and comparisons

• 155,338,040 seconds is equal to 4 years, 48 weeks, 5 days, 21 hours, 27 minutes, 20 seconds.
• To count from 1 to 155,338,040 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 155338040 cubic inches would be around 44.8 feet tall.

Recreational maths with 155338040

• 155338040 backwards is 040833551
• The number of decimal digits it has is: 9
• The sum of 155338040's digits is 29
• More coming soon!