72128501271378095

Names of 72128501271378095

• Cardinal: 72128501271378095 can be written as Seventy-two quadrillion, one hundred twenty-eight trillion, five hundred one billion, two hundred seventy-one million, three hundred seventy-eight thousand and ninety-five.

Scientific notation

• Scientific notation: 7.2128501271378095 × 10¹⁶

Factors of 72128501271378095

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4749416

Divisors of 72128501271378095

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 41 83 167 205 415 835 3403 5351 6847 13861 17015 26755 34235 69305 219391 444133 568301 893617 1096955 2220665 2841505 4468085 4743769 18209453 23718845 36638297 74170211 91047265 183191485 194494529 370851055 393732827 792209423 972472645 1968664135 3040978651 3961047115 15204893255 16143045907 25383907919 32480586343 65753382109 80715229535 126919539595 162402931715 328766910545 1040740224679 2106864357277 2695888666469 4239112622473 5203701123395 10534321786385 13479443332345 21195563112365 86381438648357 173803617521393 351846347665259 431907193241785 869018087606965 1759231738326295 14425700254275619 72128501271378095
• Sum of all divisors σ(n): 90287751493416960
• Sum of proper divisors (its aliquot sum) s(n): 18159250222038865
• 72128501271378095 is a deficient number, because the sum of its proper divisors (18159250222038865) is less than itself. Its deficiency is 53969251049339230

Bases of 72128501271378095

• Binary: 100000000010000000111110101100000011101100011100010101111₂
• Hexadecimal: 0x100407D607638AF
• Base-36: JQ7F41M9H2N

Squares and roots of 72128501271378095

• 72128501271378095 squared (72128501271378095²) is 5202520695655191466817260445829025
• 72128501271378095 cubed (72128501271378095³) is 375250020610936328954500874009363128449456500207375
• The square root of 72128501271378095 is 268567498.5387809263
• The cube root of 72128501271378095 is 416264.1114223343

Scales and comparisons

• 72,128,501,271,378,095 seconds is equal to 2,293,463,232 years, 16 weeks, 6 days, 21 hours, 1 minute, 35 seconds.
• To count from 1 to 72,128,501,271,378,095 would take you about six billion, eight hundred eighty million, three hundred eighty-nine thousand, six hundred ninety-six 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 72128501271378095 cubic inches would be around 34688.7 feet tall.

Recreational maths with 72128501271378095

• 72128501271378095 backwards is 59087317210582127
• The number of decimal digits it has is: 17
• The sum of 72128501271378095's digits is 68
• More coming soon!