155555513295424326144

Names of 155555513295424326144

• Cardinal: 155555513295424326144 can be written as One hundred fifty-five quintillion, five hundred fifty-five quadrillion, five hundred thirteen trillion, two hundred ninety-five billion, four hundred twenty-four million, three hundred twenty-six thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.55555513295424326144 × 10²⁰

Factors of 155555513295424326144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33757706878347298

Divisors of 155555513295424326144

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1152 1536 2304 4608 33757706878347293 67515413756694586 101273120635041879 135030827513389172 202546241270083758 270061655026778344 303819361905125637 405092482540167516 540123310053556688 607638723810251274 810184965080335032 1080246620107113376 1215277447620502548 1620369930160670064 2160493240214226752 2430554895241005096 3240739860321340128 4320986480428453504 4861109790482010192 6481479720642680256 8641972960856907008 9722219580964020384 12962959441285360512 17283945921713814016 19444439161928040768 25925918882570721024 38888878323856081536 51851837765141442048 77777756647712163072 155555513295424326144
• Sum of all divisors σ(n): 448943743775140662906
• Sum of proper divisors (its aliquot sum) s(n): 293388230479716336762
• 155555513295424326144 is an abundant number, because the sum of its proper divisors (293388230479716336762) is greater than itself. Its abundance is 137832717184292010618

Bases of 155555513295424326144

• Binary: 10000110111011000100001100110010110001111011010100100000101000000000₂
• Hexadecimal: 0x86EC4332C7B520A00
• Base-36: WTU5VDEIA4CG0

Squares and roots of 155555513295424326144

• 155555513295424326144 squared (155555513295424326144²) is 24197517716602934299293996221636481908736
• 155555513295424326144 cubed (155555513295424326144³) is 3764057288881293428016896546258758291550487402383179706793984
• The square root of 155555513295424326144 is 12472189595.0720828569
• The cube root of 155555513295424326144 is 5378094.9997219615

Scales and comparisons

• 155,555,513,295,424,326,144 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 155,555,513,295,424,326,144 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 155555513295424326144 cubic inches would be around 448174.6 feet tall.

Recreational maths with 155555513295424326144

• 155555513295424326144 backwards is 441623424592315555551
• The number of decimal digits it has is: 21
• The sum of 155555513295424326144's digits is 81
• More coming soon!