16398798381

Names of 16398798381

• Cardinal: 16398798381 can be written as Sixteen billion, three hundred ninety-eight million, seven hundred ninety-eight thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.6398798381 × 10¹⁰

Factors of 16398798381

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7200

Divisors of 16398798381

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 243 567 1701 1783 5349 5407 12481 16047 16221 37443 37849 48141 48663 112329 113547 144423 145989 336987 340641 433269 437967 1010961 1021923 1313901 3032883 3065769 9197307 9640681 28922043 67484767 86766129 202454301 260298387 607362903 780895161 1822088709 2342685483 5466266127 16398798381
• Sum of all divisors σ(n): 28094603264
• Sum of proper divisors (its aliquot sum) s(n): 11695804883
• 16398798381 is a deficient number, because the sum of its proper divisors (11695804883) is less than itself. Its deficiency is 4702993498

Bases of 16398798381

• Binary: 1111010001011100011100111000101101₂
• Hexadecimal: 0x3D171CE2D
• Base-36: 7J7F5T9

Squares and roots of 16398798381

• 16398798381 squared (16398798381²) is 268920588340688221161
• 16398798381 cubed (16398798381³) is 4409974508698845477600776740341
• The square root of 16398798381 is 128057.7931287277
• The cube root of 16398798381 is 2540.6061329081

Scales and comparisons

• 16,398,798,381 seconds is equal to 521 years, 22 weeks, 2 days, 21 hours, 46 minutes, 21 seconds.
• To count from 1 to 16,398,798,381 would take you about one thousand and forty-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 16398798381 cubic inches would be around 211.7 feet tall.

Recreational maths with 16398798381

• 16398798381 backwards is 18389789361
• 16398798381 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16398798381's digits is 63
• More coming soon!