161007965 is an odd 9-digits composite number following 161007964
and preceding 161007966 . In scientific notation, it is written as 1.61007965 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 127254160 positive integers (up to 161007965) that are relatively prime to 161007965.
161007965 has 8 divisors, whose sum is 195537888
The reverse of 161007965 is 569700161
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred sixty-one million seven thousand nine hundred sixty-five
Scientific notation
1.61007965 × 10^8
Engineering notation
1.61007965 × 10^6
Prime Factorization
5 × 83 × 387971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161007965
Product of the distinct prime numbers
The prime factorization of 161007965 is 5 × 83 × 387971.
Since it has a total of 3 prime factors.
9 , 4 , 89 , 48 , 28 , 769 , 8560 , 4341 , 70691 , 37540 , 333517 , 557377 , 2877949 , 7650232 , 34931850 , 58934011 , 945871218 , 414979603 , 4823896547 , 9676818808
n×2
322015930
n×3
483023895
n×4
644031860
n×5
805039825
n÷2
80503982.5
n÷3
53669321.666667
n÷3
40251991.25
n÷5
32201593
n2
25923564793441225
n3
4.1739004129376E+24
n4
6.7203121159975E+32
n5
1.0820237779616E+41
2 √n
12688.891401537
3 √n
544.02115352612
4 √n
112.64497947772
5 √n
43.789448159342
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161007964
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161007965 can be divided by 8 positive divisors.
The sum of these divisors (counting 161007965) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001100100101011101
3
Ternary
102012222001101222
4
Quaternary
21212030211131
5
Quinary
312204223330
6
Senary
23550543125
8
Octal
1146144535
10
Decimal
161007965
12
Duodecimal
45b07aa5
16
Hexadecimal
998c95d
20
Vigesimal
2a65ji5
36
Base36
2nuyjh
md5
b1cb6b1e78d62bbe69b4be13d07b213e
sha1
417c9df51692c52a8eac3f3d144788e98d84d8fd
sha256
ed686bac19f0af134ec6302af2ad2101997712cd3af4fee15371e11459652922
sha512
ce15676a3320111821669ac4e48864d1de81bd900e6df2f61984bcd54238ff1fb3bf9a41c29882a9a500a13bf3c9e18b615e9cbd266c63bcb8e33ceb1c0117fa
ripemd-160
892b918ac00bbdea986e4edd2502784097f40889
Diameter
322015930
Circumference
1011642880.0269
Area
8.1441280709934E+16
Volume
1.7483593165467E+25
Surface area
3.2576512283974E+17
Circumference
1011642880.0269
Perimeter
644031860
Area
25923564793441225
Diagonal
227699647.75309
Surface area
155541388760647350
Volume
4.1739004129376E+24
Space diagonal
278873975.80327
Perimeter
483023895
Area
1.1225232833886E+16
Altitude
139436987.90164
Surface area
1.1225232833886E+16
Volume
4.9189888099759E+23
Height
75899882.584364