155561081000

Names of 155561081000

• Cardinal: 155561081000 can be written as One hundred fifty-five billion, five hundred sixty-one million, eighty-one thousand.

Scientific notation

• Scientific notation: 1.55561081 × 10¹¹

Factors of 155561081000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 456

Divisors of 155561081000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 173 200 250 260 263 325 346 500 520 526 650 692 865 1000 1052 1300 1315 1384 1625 1730 2104 2249 2600 2630 3250 3419 3460 4325 4498 5260 6500 6575 6838 6920 8650 8996 10520 11245 13000 13150 13676 17095 17300 17992 21625 22490 26300 27352 32875 34190 34600 43250 44980 45499 52600 56225 65750 68380 69169 85475 86500 89960 90998 112450 131500 136760 138338 170950 173000 181996 224900 227495 263000 276676 281125 341900 345845 363992 427375 449800 454990 553352 562250 591487 683800 691690 854750 899197 909980 1124500 1137475 1182974 1383380 1709500 1729225 1798394 1819960 2249000 2274950 2365948 2766760 2957435 3419000 3458450 3596788 4495985 4549900 4731896 5687375 5914870 6916900 7193576 8646125 8991970 9099800 11374750 11829740 11966237 13833800 14787175 17292250 17983940 22479925 22749500 23659480 23932474 29574350 34584500 35967880 44959850 45499000 47864948 59148700 59831185 69169000 73935875 89919700 95729896 112399625 118297400 119662370 147871750 155561081 179839400 224799250 239324740 295743500 299155925 311122162 449598500 478649480 591487000 598311850 622244324 777805405 899197000 1196623700 1244488648 1495779625 1555610810 2393247400 2991559250 3111221620 3889027025 5983118500 6222443240 7778054050 11966237000 15556108100 19445135125 31112216200 38890270250 77780540500 155561081000
• Sum of all divisors σ(n): 395784763920
• Sum of proper divisors (its aliquot sum) s(n): 240223682920
• 155561081000 is an abundant number, because the sum of its proper divisors (240223682920) is greater than itself. Its abundance is 84662601920

Bases of 155561081000

• Binary: 10010000111000001010011011100010101000₂
• Hexadecimal: 0x243829B8A8
• Base-36: 1ZGP1UAW

Squares and roots of 155561081000

• 155561081000 squared (155561081000²) is 24199249921888561000000
• 155561081000 cubed (155561081000³) is 3764461477238150110694441000000000
• The square root of 155561081000 is 394412.3235904271
• The cube root of 155561081000 is 5378.1591639257

Scales and comparisons

• 155,561,081,000 seconds is equal to 4,946 years, 18 weeks, 5 days, 11 hours, 23 minutes, 20 seconds.
• To count from 1 to 155,561,081,000 would take you about nine thousand, eight hundred ninety-two 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 155561081000 cubic inches would be around 448.2 feet tall.

Recreational maths with 155561081000

• 155561081000 backwards is 000180165551
• The number of decimal digits it has is: 12
• The sum of 155561081000's digits is 32
• More coming soon!