161324744144

Names of 161324744144

• Cardinal: 161324744144 can be written as One hundred sixty-one billion, three hundred twenty-four million, seven hundred forty-four thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.61324744144 × 10¹¹

Factors of 161324744144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8646

Divisors of 161324744144

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 17 34 68 136 167 272 334 443 668 886 1336 1772 2672 2839 3544 5678 7088 7531 8017 11356 15062 16034 22712 30124 32068 45424 60248 64136 73981 120496 128272 136289 147962 272578 295924 545156 591848 1090312 1183696 1257677 1338839 2180624 2515354 2677678 3551531 5030708 5355356 7103062 10061416 10710712 14206124 20122832 21421424 22760263 28412248 45520526 56824496 60376027 91041052 120752054 182082104 241504108 364164208 483008216 593105677 966016432 1186211354 2372422708 4744845416 9489690832 10082796509 20165593018 40331186036 80662372072 161324744144
• Sum of all divisors σ(n): 333727890048
• Sum of proper divisors (its aliquot sum) s(n): 172403145904
• 161324744144 is an abundant number, because the sum of its proper divisors (172403145904) is greater than itself. Its abundance is 11078401760

Bases of 161324744144

• Binary: 10010110001111101101000011110111010000₂
• Hexadecimal: 0x258FB43DD0
• Base-36: 2240L58W

Squares and roots of 161324744144

• 161324744144 squared (161324744144²) is 26025673073127062292736
• 161324744144 cubed (161324744144³) is 4198585049697613526377985229737984
• The square root of 161324744144 is 401652.5166658365
• The cube root of 161324744144 is 5443.7770246537

Scales and comparisons

• 161,324,744,144 seconds is equal to 5,129 years, 32 weeks, 4 days, 12 hours, 55 minutes, 44 seconds.
• To count from 1 to 161,324,744,144 would take you about ten thousand, two hundred fifty-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 161324744144 cubic inches would be around 453.6 feet tall.

Recreational maths with 161324744144

• 161324744144 backwards is 441447423161
• The number of decimal digits it has is: 12
• The sum of 161324744144's digits is 41
• More coming soon!