16228388421

Names of 16228388421

• Cardinal: 16228388421 can be written as Sixteen billion, two hundred twenty-eight million, three hundred eighty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.6228388421 × 10¹⁰

Factors of 16228388421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8241

Divisors of 16228388421

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 71 151 189 213 453 497 639 1057 1359 1491 1917 3171 4077 4473 8009 9513 10721 13419 24027 28539 32163 56063 72081 75047 96489 168189 216243 225141 289467 504567 568639 675423 1209359 1513701 1705917 2026269 3628077 3980473 5117751 8465513 10884231 11941419 15353253 25396539 32652693 35824257 76189617 85864489 107472771 228568851 257593467 601051423 772780401 1803154269 2318341203 5409462807 16228388421
• Sum of all divisors σ(n): 28051660800
• Sum of proper divisors (its aliquot sum) s(n): 11823272379
• 16228388421 is a deficient number, because the sum of its proper divisors (11823272379) is less than itself. Its deficiency is 4405116042

Bases of 16228388421

• Binary: 1111000111010010011000111001000101₂
• Hexadecimal: 0x3C7498E45
• Base-36: 7GDYON9

Squares and roots of 16228388421

• 16228388421 squared (16228388421²) is 263360590742846873241
• 16228388421 cubed (16228388421³) is 4273917961358935986280299142461
• The square root of 16228388421 is 127390.6920500867
• The cube root of 16228388421 is 2531.7751409105

Scales and comparisons

• 16,228,388,421 seconds is equal to 516 years, 4 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 16,228,388,421 would take you about one thousand and thirty-two 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 16228388421 cubic inches would be around 211 feet tall.

Recreational maths with 16228388421

• 16228388421 backwards is 12488382261
• The number of decimal digits it has is: 11
• The sum of 16228388421's digits is 45
• More coming soon!