161002087 is an odd 9-digits composite number following 161002086
and preceding 161002088 . In scientific notation, it is written as 1.61002087 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 149280768 positive integers (up to 161002087) that are relatively prime to 161002087.
161002087 has 16 divisors, whose sum is 173028960
The reverse of 161002087 is 780200161
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one million two thousand eighty-seven
Scientific notation
1.61002087 × 10^8
Engineering notation
1.61002087 × 10^6
Prime Factorization
17 × 179 × 337 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161002087
Product of the distinct prime numbers
The prime factorization of 161002087 is 17 × 179 × 337 × 157.
Since it has a total of 4 prime factors.
10 , 1 , 51 , 62 , 510 , 485 , 9633 , 5045 , 55070 , 46745 , 566943 , 774673 , 5607427 , 5671964 , 22198941 , 34225630 , 818933814 , 779008875 , 9957067653 , 533654
n×2
322004174
n×3
483006261
n×4
644008348
n×5
805010435
n÷2
80501043.5
n÷3
53667362.333333
n÷3
40250521.75
n÷5
32200417.4
n2
25921672018355569
n3
4.1734432934847E+24
n4
6.719330802272E+32
n5
1.0818262824092E+41
2 √n
12688.659779504
3 √n
544.01453315953
4 √n
112.6439513667
5 √n
43.789128425923
1 , 17 , 157 , 179 , 337 , 2669 , 3043 , 5729 , 28103 , 52909 , 60323 , 477751 , 899453 , 1025491 , 9470711 , 161002087
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161002086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161002087 can be divided by 16 positive divisors.
The sum of these divisors (counting 161002087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001011001001100111
3
Ternary
102012221202100021
4
Quaternary
21212023021213
5
Quinary
312204031322
6
Senary
23550500011
8
Octal
1146131147
10
Decimal
161002087
12
Duodecimal
45b04607
16
Hexadecimal
998b267
20
Vigesimal
2a65547
36
Base36
2nuu07
md5
5bac46571d569448df402147f45c2288
sha1
fde797c5dd735af1de9d05420d3955724e6c2abc
sha256
38d0753b88b31546c62481ea782e9c58115d2542a981feeef36c82985069852b
sha512
78493130d55fd2baa98ec78978204eff3850b9b2c44ba943a8c357b9101d3d3f3b52076a12ee26c63152befa3318eb1ad28a7d9ad351b470c012679f30875ee9
ripemd-160
716297f280730f616473c224a22f562993bb6a2c
Diameter
322004174
Circumference
1011605947.4636
Area
8.143533438163E+16
Volume
1.748167838798E+25
Surface area
3.2574133752652E+17
Circumference
1011605947.4636
Perimeter
644008348
Area
25921672018355569
Diagonal
227691335.00577
Surface area
155530032110133414
Volume
4.1734432934847E+24
Space diagonal
278863794.80862
Perimeter
483006261
Area
1.1224413238232E+16
Altitude
139431897.40431
Surface area
1.1224413238232E+16
Volume
4.9184500895343E+23
Height
75897111.668591