21472456239840456

Names of 21472456239840456

• Cardinal: 21472456239840456 can be written as Twenty-one quadrillion, four hundred seventy-two trillion, four hundred fifty-six billion, two hundred thirty-nine million, eight hundred forty thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1472456239840456 × 10¹⁶

Factors of 21472456239840456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1790863097

Divisors of 21472456239840456

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 55511 111022 166533 222044 333066 444088 499599 666132 999198 1332264 1498797 1998396 2997594 3996792 5995188 11990376 1790807581 3581615162 5372422743 7163230324 10744845486 14326460648 16117268229 21489690972 32234536458 42979381944 48351804687 64469072916 96703609374 128938145832 193407218748 386814437496 99409519628891 198819039257782 298228558886673 397638078515564 596457117773346 795276157031128 894685676660019 1192914235546692 1789371353320038 2385828471093384 2684057029980057 3578742706640076 5368114059960114 7157485413280152 10736228119920228 21472456239840456
• Sum of all divisors σ(n): 59646786295190400
• Sum of proper divisors (its aliquot sum) s(n): 38174330055349944
• 21472456239840456 is an abundant number, because the sum of its proper divisors (38174330055349944) is greater than itself. Its abundance is 16701873815509488

Bases of 21472456239840456

• Binary: 1001100010010010001010111001110101000010111110011001000₂
• Hexadecimal: 0x4C4915CEA17CC8
• Base-36: 5VFCM7UT5U0

Squares and roots of 21472456239840456

• 21472456239840456 squared (21472456239840456²) is 461066376971863334483316334287936
• 21472456239840456 cubed (21472456239840456³) is 9900227603190118786905894034238111098683005538816
• The square root of 21472456239840456 is 146534829.4428340201
• The cube root of 21472456239840456 is 277946.0941312747

Scales and comparisons

• 21,472,456,239,840,456 seconds is equal to 682,757,689 years, 39 weeks, 3 days, 5 hours, 27 minutes, 36 seconds.
• To count from 1 to 21,472,456,239,840,456 would take you about two billion, forty-eight million, two hundred seventy-three thousand and sixty-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 21472456239840456 cubic inches would be around 23162.2 feet tall.

Recreational maths with 21472456239840456

• 21472456239840456 backwards is 65404893265427412
• 21472456239840456 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21472456239840456's digits is 72
• More coming soon!