155380768000

Names of 155380768000

• Cardinal: 155380768000 can be written as One hundred fifty-five billion, three hundred eighty million, seven hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 1.55380768 × 10¹¹

Factors of 155380768000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4537

Divisors of 155380768000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 1741 2000 2789 3200 3482 4000 5578 6400 6964 8000 8705 11156 13928 13945 16000 17410 22312 27856 27890 32000 34820 43525 44624 55712 55780 69640 69725 87050 89248 111424 111560 139280 139450 174100 178496 217625 222848 223120 278560 278900 348200 348625 356992 435250 445696 446240 557120 557800 696400 697250 713984 870500 892480 1114240 1115600 1392800 1394500 1741000 1784960 2228480 2231200 2785600 2789000 3482000 3569920 4462400 4855649 5571200 5578000 6964000 8924800 9711298 11142400 11156000 13928000 17849600 19422596 22312000 24278245 27856000 38845192 44624000 48556490 55712000 77690384 89248000 97112980 121391225 155380768 194225960 242782450 310761536 388451920 485564900 606956125 621523072 776903840 971129800 1213912250 1243046144 1553807680 1942259600 2427824500 3107615360 3884519200 4855649000 6215230720 7769038400 9711298000 15538076800 19422596000 31076153600 38845192000 77690384000 155380768000
• Sum of all divisors σ(n): 387434108880
• Sum of proper divisors (its aliquot sum) s(n): 232053340880
• 155380768000 is an abundant number, because the sum of its proper divisors (232053340880) is greater than itself. Its abundance is 76672572880

Bases of 155380768000

• Binary: 10010000101101011010100101110100000000₂
• Hexadecimal: 0x242D6A5D00
• Base-36: 1ZDPP3WG

Squares and roots of 155380768000

• 155380768000 squared (155380768000²) is 24143183064269824000000
• 155380768000 cubed (155380768000³) is 3751386326490838612344832000000000
• The square root of 155380768000 is 394183.6729241839
• The cube root of 155380768000 is 5376.0803943241

Scales and comparisons

• 155,380,768,000 seconds is equal to 4,940 years, 32 weeks, 4 days, 12 hours, 26 minutes, 40 seconds.
• To count from 1 to 155,380,768,000 would take you about nine thousand, eight hundred eighty-one 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 155380768000 cubic inches would be around 448 feet tall.

Recreational maths with 155380768000

• 155380768000 backwards is 000867083551
• The number of decimal digits it has is: 12
• The sum of 155380768000's digits is 43
• More coming soon!