155311928320

Names of 155311928320

• Cardinal: 155311928320 can be written as One hundred fifty-five billion, three hundred eleven million, nine hundred twenty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.5531192832 × 10¹¹

Factors of 155311928320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 22945

Divisors of 155311928320

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 1409 2560 2818 5120 5636 7045 11272 14090 21529 22544 28180 43058 45088 56360 86116 90176 107645 112720 172232 180352 215290 225440 344464 360704 430580 450880 688928 721408 861160 901760 1377856 1442816 1722320 1803520 2755712 3444640 3607040 5511424 6889280 7214080 11022848 13778560 22045696 27557120 30334361 55114240 60668722 110228480 121337444 151671805 242674888 303343610 485349776 606687220 970699552 1213374440 1941399104 2426748880 3882798208 4853497760 7765596416 9706995520 15531192832 19413991040 31062385664 38827982080 77655964160 155311928320
• Sum of all divisors σ(n): 372848358600
• Sum of proper divisors (its aliquot sum) s(n): 217536430280
• 155311928320 is an abundant number, because the sum of its proper divisors (217536430280) is greater than itself. Its abundance is 62224501960

Bases of 155311928320

• Binary: 10010000101001010011111111010000000000₂
• Hexadecimal: 0x24294FF400
• Base-36: 1ZCKPMV4

Squares and roots of 155311928320

• 155311928320 squared (155311928320²) is 24121795078476818022400
• 155311928320 cubed (155311928320³) is 3746402508178120335476672954368000
• The square root of 155311928320 is 394096.3439566523
• The cube root of 155311928320 is 5375.2863399791

Scales and comparisons

• 155,311,928,320 seconds is equal to 4,938 years, 22 weeks, 5 days, 18 hours, 18 minutes, 40 seconds.
• To count from 1 to 155,311,928,320 would take you about nine thousand, eight hundred seventy-six 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 155311928320 cubic inches would be around 447.9 feet tall.

Recreational maths with 155311928320

• 155311928320 backwards is 023829113551
• 155311928320 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155311928320's digits is 40
• More coming soon!