161297789 is an odd 9-digits prime number following 161297788
and preceding 161297790 . In scientific notation, it is written as 1.61297789 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 161297788 positive integers (up to 161297789) that are relatively prime to 161297789.
161297789 has 2 divisors, whose sum is 161297790
The reverse of 161297789 is 987792161
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
one hundred sixty-one million two hundred ninety-seven thousand seven hundred eighty-nine
Scientific notation
1.61297789 × 10^8
Engineering notation
1.61297789 × 10^6
Prime Factorization
161297789
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
161297789 Product of the distinct prime numbers
The prime factorization of 161297789 is 161297789.
Since it has a total of 1 prime factors.
6 , 10 , 60 , 81 , 313 , 401 , 91 , 6140 , 79581 , 79070 , 936615 , 579843 , 9932714 , 4060410 , 33526351 , 28596385 , 263928204 , 637891103 , 4456440906 , 8835742097
n×2
322595578
n×3
483893367
n×4
645191156
n×5
806488945
n÷2
80648894.5
n÷3
53765929.666667
n÷3
40324447.25
n÷5
32259557.8
n2
26016976736288521
n3
4.1964808240278E+24
n4
6.7688307849658E+32
n5
1.0917974397301E+41
2 √n12700.306649841
3 √n544.34738143646
4 √n112.6956372263
5 √n43.805201547552
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
161297790 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
80648895 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12700.30668921 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999876006 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161297789 can be divided by 2 positive divisors.
The sum of these divisors (counting 161297789) is 161297790, the average is 80648895.
Base
System
Value
2
Binary
1001100111010011010101111101
3
Ternary
102020111202222012
4
Quaternary
21213103111331
5
Quinary
312243012124
6
Senary
24001101005
8
Octal
1147232575
10
Decimal
161297789
12
Duodecimal
46027765
16
Hexadecimal
99d357d
20
Vigesimal
2a82499
36
Base36
2o1665
md5
48cc739d12b7a7c46f59726d0e80d014
sha1
93ae2dbf71f8c5621d1cca07e88e5e63efd22bd4
sha256
8a020f82cf9f49a28e9dd9b47f362c671e8ddee0dba346776c1a432629fc1d68
sha512
1cc696de3d172c9757ad3fd946c0f8ef1fb3705e34098515e08c59bc91e1290ffea4bc79107e3a97f64d6c4589e47a6d8884dd51167cc72f2ef5a362ecc801e4
ripemd-160
9c5c46063b4998782ea9bd062c824ad384155bbd
Diameter
322595578
Circumference
1013463897.9254
Area
8.1734742983341E+16
Volume
1.7578177770261E+25
Surface area
3.2693897193336E+17
Circumference
1013463897.9254
Perimeter
645191156
Area
26016976736288521
Diagonal
228109520.78459
Surface area
156101860417731126
Volume
4.1964808240278E+24
Space diagonal
279375965.69652
Perimeter
483893367
Area
1.1265681391647E+16
Altitude
139687982.84826
Surface area
1.1265681391647E+16
Volume
4.9456000796489E+23
Height
76036506.928198