161796139 is an odd 9-digits composite number following 161796138
and preceding 161796140 . In scientific notation, it is written as 1.61796139 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 160632000 positive integers (up to 161796139) that are relatively prime to 161796139.
161796139 has 4 divisors, whose sum is 162960280
The reverse of 161796139 is 931697161
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty-one million seven hundred ninety-six thousand one hundred thirty-nine
Scientific notation
1.61796139 × 10^8
Engineering notation
1.61796139 × 10^6
Prime Factorization
139 × 1164001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161796139
Product of the distinct prime numbers
The prime factorization of 161796139 is 139 × 1164001.
Since it has a total of 2 prime factors.
6 , 9 , 79 , 14 , 990 , 753 , 4463 , 5247 , 38192 , 64779 , 210843 , 661607 , 2227276 , 5916748 , 804197 , 71495817 , 651517310 , 425600300 , 5676931323 , 47253538
n×2
323592278
n×3
485388417
n×4
647184556
n×5
808980695
n÷2
80898069.5
n÷3
53932046.333333
n÷3
40449034.75
n÷5
32359227.8
n2
26177990595307321
n3
4.235497805099E+24
n4
6.85287191608E+32
n5
1.1087682170833E+41
2 √n
12719.911123903
3 √n
544.90741518465
4 √n
112.7825834245
5 √n
43.832236503468
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161796138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161796139 can be divided by 4 positive divisors.
The sum of these divisors (counting 161796139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001001101000000101011
3
Ternary
102021110002120121
4
Quaternary
21221031000223
5
Quinary
312404434024
6
Senary
24015504111
8
Octal
1151150053
10
Decimal
161796139
12
Duodecimal
46228037
16
Hexadecimal
9a4d02b
20
Vigesimal
2ab4a6j
36
Base36
2obup7
md5
a059c71349373df79d19eea7e76d477f
sha1
3c71c52302b7b399bc74e16dddcd6fc5e109de9e
sha256
1421ea0a6cf9f774181622c358f81500473161d67f6ea48fd7a9a017ddb470c8
sha512
2adc5695e60636db1f25b5ff7f9139e215234b2562bf6c2a6b1fb7b8cf68d7d1a9f73861e64f6fc46de967d65bd38a98dd5f049d88a532a8d451b4066f28a99b
ripemd-160
dfa352bb07b5483a9f562ca81ea53aebfbf256ab
Diameter
323592278
Circumference
1016595123.3232
Area
8.224058293996E+16
Volume
1.7741611718393E+25
Surface area
3.2896233175984E+17
Circumference
1016595123.3232
Perimeter
647184556
Area
26177990595307321
Diagonal
228814294.1134
Surface area
157067943571843926
Volume
4.235497805099E+24
Space diagonal
280239133.21648
Perimeter
485388417
Area
1.1335402437783E+16
Altitude
140119566.60824
Surface area
1.1335402437783E+16
Volume
4.9915820328104E+23
Height
76271431.371134