16491018973
16,491,018,973 is an odd composite number composed of five prime numbers multiplied together.
16491018973 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 16491018973:
112 × 13 × 192 × 113 × 257
(11 × 11 × 13 × 19 × 19 × 113 × 257)See below for interesting mathematical facts about the number 16491018973 from the Numbermatics database.
Names of 16491018973
- Cardinal: 16491018973 can be written as Sixteen billion, four hundred ninety-one million, eighteen thousand, nine hundred seventy-three.
Scientific notation
- Scientific notation: 1.6491018973 × 1010
Factors of 16491018973
Divisors of 16491018973
- Number of divisors d(n): 72
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Complete list of divisors:
1 11 13 19 113 121 143 209 247 257 361 1243 1469 1573 2147 2299 2717 2827 3341 3971 4693 4883 13673 16159 23617 27911 29041 29887 31097 36751 40793 43681 51623 53713 63479 92777 177749 259787 307021 319451 377533 404261 448723 530309 551779 567853 590843 698269 1020547 1206101 3377231 3513961 4152863 4935953 5833399 6069569 7173127 7680959 10483801 11226017 13267111 45681493 64167389 66765259 78904397 115321811 136289413 145938221 867948367 1268539921 1499183543 16491018973
- Sum of all divisors σ(n): 20865519864
- Sum of proper divisors (its aliquot sum) s(n): 4374500891
- 16491018973 is a deficient number, because the sum of its proper divisors (4374500891) is less than itself. Its deficiency is 12116518082
Bases of 16491018973
- Binary: 11110101101111000011111010110111012
- Hexadecimal: 0x3D6F0FADD
- Base-36: 7KQBROD
Squares and roots of 16491018973
- 16491018973 squared (164910189732) is 271953706767845974729
- 16491018973 cubed (164910189733) is 4484793738086226475597617533317
-
The
square root of 16491018973 is 128417.3624281389 -
The
cube root of 16491018973 is 2545.3597001251
Scales and comparisons
How big is 16491018973?- 16,491,018,973 seconds is equal to 524 years, 18 weeks, 6 days, 6 hours, 36 minutes, 13 seconds.
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To count from 1 to 16,491,018,973 would take you about one thousand and forty-eight 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 16491018973 cubic inches would be around 212.1 feet tall.
Recreational maths with 16491018973
- 16491018973 backwards is 37981019461
- The number of decimal digits it has is: 11
- The sum of 16491018973's digits is 49
- More coming soon!
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