161870992 is an even 9-digits composite number following 161870991
and preceding 161870993 . In scientific notation, it is written as 1.61870992 × 10^8.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 80856608 positive integers (up to 161870992) that are relatively prime to 161870992.
161870992 has 20 divisors, whose sum is 313930800
The reverse of 161870992 is 299078161
Previous prime number is 1163
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty-one million eight hundred seventy thousand nine hundred ninety-two
Scientific notation
1.61870992 × 10^8
Engineering notation
1.61870992 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1163 × 8699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20233874
Product of the distinct prime numbers
The prime factorization of 161870992 is 2 × 2 × 2 × 2 × 1163 × 8699.
Since it has a total of 6 prime factors.
10 , 9 , 100 , 43 , 541 , 706 , 7354 , 6894 , 25818 , 41000 , 986221 , 140602 , 1353922 , 7796359 , 77825600 , 48685414 , 790175739 , 270044865 , 7155699393 , 5703107710
n×2
323741984
n×3
485612976
n×4
647483968
n×5
809354960
n÷2
80935496
n÷3
53956997.333333
n÷3
40467748
n÷5
32374198.4
n2
26202218051064064
n3
4.241379028526E+24
n4
6.8655623079551E+32
n5
1.1113353814265E+41
2 √n
12722.853139135
3 √n
544.99143380751
4 √n
112.79562553191
5 √n
43.836291442513
1 , 2 , 4 , 8 , 16 , 1163 , 2326 , 4652 , 8699 , 9304 , 17398 , 18608 , 34796 , 69592 , 139184 , 10116937 , 20233874 , 40467748 , 80935496 , 161870992
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161870991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161870992 can be divided by 20 positive divisors.
The sum of these divisors (counting 161870992) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101001011111010010010000
3
Ternary
102021120220020221
4
Quaternary
21221133102100
5
Quinary
312414332432
6
Senary
24021242424
8
Octal
1151372220
10
Decimal
161870992
12
Duodecimal
46263414
16
Hexadecimal
9a5f490
20
Vigesimal
2abdh9c
36
Base36
2odggg
md5
3fc555f32be2223ba85603584a121020
sha1
c94ce69359d15f42338ab80c7bf2ad029cd4dca4
sha256
fe7936fe37604a59349e599591f43242429523fcd69048a68c7824bdfb5ee8a9
sha512
4e62349ca96c2a1881f867a8d74909ab40ad50b2ac6ecf73139df2c293062a8620fbf0a820d9dd9340b9aefe16aa893b2ac7ce8dc5be87acb80136eb4049cc48
ripemd-160
2efc07a1c7d172232c9199bf4b009e7be6c9ce0d
Diameter
323741984
Circumference
1017065438.593
Area
8.2316695736981E+16
Volume
1.7766246929476E+25
Surface area
3.2926678294792E+17
Circumference
1017065438.593
Perimeter
647483968
Area
26202218051064064
Diagonal
228920152.24119
Surface area
157213308306384384
Volume
4.241379028526E+24
Space diagonal
280368782.41558
Perimeter
485612976
Area
1.134589323386E+16
Altitude
140184391.20779
Surface area
1.134589323386E+16
Volume
4.9985131210886E+23
Height
76306717.413729