155271965040

Names of 155271965040

• Cardinal: 155271965040 can be written as One hundred fifty-five billion, two hundred seventy-one million, nine hundred sixty-five thousand and forty.

Scientific notation

• Scientific notation: 1.5527196504 × 10¹¹

Factors of 155271965040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7987251

Divisors of 155271965040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 810 972 1080 1215 1296 1620 1944 2160 2430 3240 3888 4860 6480 9720 19440 7987241 15974482 23961723 31948964 39936205 47923446 63897928 71885169 79872410 95846892 119808615 127795856 143770338 159744820 191693784 215655507 239617230 287540676 319489640 359425845 383387568 431311014 479234460 575081352 638979280 646966521 718851690 862622028 958468920 1078277535 1150162704 1293933042 1437703380 1725244056 1916937840 1940899563 2156555070 2587866084 2875406760 3234832605 3450488112 3881799126 4313110140 5175732168 5750813520 6469665210 7763598252 8626220280 9704497815 10351464336 12939330420 15527196504 17252440560 19408995630 25878660840 31054393008 38817991260 51757321680 77635982520 155271965040
• Sum of all divisors σ(n): 540768232368
• Sum of proper divisors (its aliquot sum) s(n): 385496267328
• 155271965040 is an abundant number, because the sum of its proper divisors (385496267328) is greater than itself. Its abundance is 230224302288

Bases of 155271965040

• Binary: 10010000100110111011100010100101110000₂
• Hexadecimal: 0x2426EE2970
• Base-36: 1ZBWX300

Squares and roots of 155271965040

• 155271965040 squared (155271965040²) is 24109383127382982201600
• 155271965040 cubed (155271965040³) is 3743511294090976279097777432064000
• The square root of 155271965040 is 394045.6382704927
• The cube root of 155271965040 is 5374.8252624933

Scales and comparisons

• 155,271,965,040 seconds is equal to 4,937 years, 8 weeks, 5 days, 5 hours, 24 minutes.
• To count from 1 to 155,271,965,040 would take you about nine thousand, eight hundred seventy-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 155271965040 cubic inches would be around 447.9 feet tall.

Recreational maths with 155271965040

• 155271965040 backwards is 040569172551
• 155271965040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155271965040's digits is 45
• More coming soon!