81590147 is an odd 8-digits composite number following 81590146
and preceding 81590148 . In scientific notation, it is written as 8.1590147 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 80440920 positive integers (up to 81590147) that are relatively prime to 81590147.
81590147 has 4 divisors, whose sum is 82739376
The reverse of 81590147 is 74109518
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million five hundred ninety thousand one hundred forty-seven
Scientific notation
8.1590147 × 10^7
Engineering notation
8.1590147 × 10^6
Prime Factorization
71 × 1149157
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81590147
Product of the distinct prime numbers
The prime factorization of 81590147 is 71 × 1149157.
Since it has a total of 2 prime factors.
6 , 6 , 18 , 37 , 794 , 464 , 678 , 4252 , 94900 , 36705 , 304384 , 480310 , 4982693 , 8912402 , 42378748 , 81138501 , 524798005 , 686266499 , 8109275299 , 8190589237
n×2
163180294
n×3
244770441
n×4
326360588
n×5
407950735
n÷2
40795073.5
n÷3
27196715.666667
n÷3
20397536.75
n÷5
16318029.4
n2
6656952087481609
n3
5.4314169938958E+23
n4
4.4315011095026E+31
n5
3.6156682695498E+39
2 √n
9032.7264433282
3 √n
433.72311864347
4 √n
95.040656791334
5 √n
38.22324402985
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
-81590146
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 81590147 can be divided by 4 positive divisors.
The sum of these divisors (counting 81590147) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111001111011110000011
3
Ternary
12200112012122022
4
Quaternary
10313033132003
5
Quinary
131341341042
6
Senary
12032432055
8
Octal
467173603
10
Decimal
81590147
12
Duodecimal
233a862b
16
Hexadecimal
4dcf783
20
Vigesimal
159if77
36
Base36
1ckrcz
md5
5155be5d428de579aa50754524d6f191
sha1
2f1363762cb386a54aefff288e26f7f955428c7a
sha256
f9c010b8d3c714f05507ccdf1c934d5e758bc9b388e1b1d49177930cd2505428
sha512
22423751482c2fe5a053f4a8e412f07732062fa26f186e51f541acadea3f32e3d280851dee9f7af6e696beaa5100b8d74f0249cdee2c1cdd0a1aab439515c809
ripemd-160
233c3e5db46f8e5fd7b032d9115c421a70913f31
Diameter
163180294
Circumference
512646012.84102
Area
2.0913431773331E+16
Volume
2.2751066302141E+24
Surface area
8.3653727093326E+16
Circumference
512646012.84102
Perimeter
326360588
Area
6656952087481609
Diagonal
115385892.44341
Surface area
39941712524889654
Volume
5.4314169938958E+23
Space diagonal
141318280.00101
Perimeter
244770441
Area
2.8825448097675E+15
Altitude
70659140.000507
Surface area
2.8825448097675E+15
Volume
6.4009863130593E+22
Height
38461964.147805