1661931497 is an odd 10-digits prime number following 1661931496
and preceding 1661931498 . In scientific notation, it is written as 1.661931497 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1661931496 positive integers (up to 1661931497) that are relatively prime to 1661931497.
1661931497 has 2 divisors, whose sum is 1661931498
The reverse of 1661931497 is 7941391661
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion six hundred sixty-one million nine hundred thirty-one thousand four hundred ninety-seven
Scientific notation
1.661931497 × 10^9
Engineering notation
1.661931497 × 10^9
Prime Factorization
1661931497
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1661931497
Product of the distinct prime numbers
The prime factorization of 1661931497 is 1661931497.
Since it has a total of 1 prime factors.
2 , 3 , 14 , 13 , 513 , 104 , 9661 , 5715 , 64485 , 35948 , 184970 , 697326 , 1988134 , 6560751 , 39914220 , 92130289 , 921561815 , 399904478 , 15683231 , 5283672495
n×2
3323862994
n×3
4985794491
n×4
6647725988
n×5
8309657485
n÷2
830965748.5
n÷3
553977165.66667
n÷3
415482874.25
n÷5
332386299.4
n2
2762016300720661009
n3
4.5902818853951E+27
n4
7.6287340454466E+36
n5
1.2678433392364E+46
2 √n
40766.794048588
3 √n
1184.5072035687
4 √n
201.90788505798
5 √n
69.842957893704
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1661931498
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
830965749
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
40766.794060853
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999987966
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661931497 can be divided by 2 positive divisors.
The sum of these divisors (counting 1661931497) is 1661931498, the average is 830965749.
Base
System
Value
2
Binary
1100011000011110000111111101001
3
Ternary
11021211012212102102
4
Quaternary
1203003300333221
5
Quinary
11400423301442
6
Senary
432524543145
8
Octal
14303607751
10
Decimal
1661931497
12
Duodecimal
3a46b1ab5
16
Hexadecimal
630f0fe9
20
Vigesimal
15j718eh
36
Base36
rhgyjt
md5
9947635db0f9887442f71ad9fa7dc281
sha1
6a19fac1ac66867845ea18974a167ce863c25fbb
sha256
65fe4d3792523c3d39610b2042ffe4d86617e0d1a82c316e77619e504f2e3dd1
sha512
944d16878a8c059b8ca59f34c0ce524ea14687e88e2964fb29ffb86e3005dc10513d56d4e6be0f6b1cdbbb2c8f3bff91cd9f976e158521b71c47d3bb4d95cac9
ripemd-160
7aa87b54626d8e85e597d8869d3d50ede69544e7
Diameter
3323862994
Circumference
10442223563.489
Area
8.6771301194393E+18
Volume
1.9227727798751E+28
Surface area
3.4708520477757E+19
Circumference
10442223563.489
Perimeter
6647725988
Area
2762016300720661009
Diagonal
2350326062.7924
Surface area
1.6572097804324E+19
Volume
4.5902818853951E+27
Space diagonal
2878549791.503
Perimeter
4985794491
Area
1.1959881410454E+18
Altitude
1439274895.7515
Surface area
1.1959881410454E+18
Volume
5.4096990812011E+26
Height
783442020.93081