168218166400

Names of 168218166400

• Cardinal: 168218166400 can be written as One hundred sixty-eight billion, two hundred eighteen million, one hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.682181664 × 10¹¹

Factors of 168218166400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2350

Divisors of 168218166400

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 101 128 160 200 202 263 320 400 404 505 526 640 800 808 1010 1052 1315 1600 1616 1979 2020 2104 2525 2630 3200 3232 3958 4040 4208 5050 5260 6464 6575 7916 8080 8416 9895 10100 10520 12928 13150 15832 16160 16832 19790 20200 21040 26300 26563 31664 32320 33664 39580 40400 42080 49475 52600 53126 63328 64640 79160 80800 84160 98950 105200 106252 126656 132815 158320 161600 168320 197900 199879 210400 212504 253312 265630 316640 323200 395800 399758 420800 425008 520477 531260 633280 664075 791600 799516 841600 850016 999395 1040954 1062520 1266560 1328150 1583200 1599032 1700032 1998790 2081908 2125040 2602385 2656300 3166400 3198064 3400064 3997580 4163816 4250080 4996975 5204770 5312600 6332800 6396128 7995160 8327632 8500160 9993950 10409540 10625200 12792256 13011925 15990320 16655264 17000320 19987900 20819080 21250400 25584512 26023850 31980640 33310528 39975800 41638160 42500800 52047700 52568177 63961280 66621056 79951600 83276320 85001600 104095400 105136354 127922560 159903200 166552640 208190800 210272708 262840885 319806400 333105280 416381600 420545416 525681770 639612800 832763200 841090832 1051363540 1314204425 1665526400 1682181664 2102727080 2628408850 3364363328 4205454160 5256817700 6728726656 8410908320 10513635400 16821816640 21027270800 33643633280 42054541600 84109083200 168218166400
• Sum of all divisors σ(n): 421474363200
• Sum of proper divisors (its aliquot sum) s(n): 253256196800
• 168218166400 is an abundant number, because the sum of its proper divisors (253256196800) is greater than itself. Its abundance is 85038030400

Bases of 168218166400

• Binary: 10011100101010100101011000010010000000₂
• Hexadecimal: 0x272A958480
• Base-36: 25A0R3WG

Squares and roots of 168218166400

• 168218166400 squared (168218166400²) is 28297351506978088960000
• 168218166400 cubed (168218166400³) is 4760128584480130929827282944000000
• The square root of 168218166400 is 410144.0800499259
• The cube root of 168218166400 is 5520.2358297341

Scales and comparisons

• 168,218,166,400 seconds is equal to 5,348 years, 42 weeks, 3 days, 12 hours, 26 minutes, 40 seconds.
• To count from 1 to 168,218,166,400 would take you about ten thousand, six hundred ninety-seven 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 168218166400 cubic inches would be around 460 feet tall.

Recreational maths with 168218166400

• 168218166400 backwards is 004661812861
• The number of decimal digits it has is: 12
• The sum of 168218166400's digits is 43
• More coming soon!