71312913 is an odd 8-digits composite number following 71312912
and preceding 71312914 . In scientific notation, it is written as 7.1312913 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 40415760 positive integers (up to 71312913) that are relatively prime to 71312913.
71312913 has 32 divisors, whose sum is 121733120
The reverse of 71312913 is 31921317
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million three hundred twelve thousand nine hundred thirteen
Scientific notation
7.1312913 × 10^7
Engineering notation
7.1312913 × 10^6
Prime Factorization
9 × 7 × 3 × 127 × 2971
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71312913
Product of the distinct prime numbers
The prime factorization of 71312913 is 9 × 7 × 3 × 127 × 2971.
Since it has a total of 5 prime factors.
5 , 6 , 87 , 18 , 714 , 259 , 2314 , 2762 , 16537 , 51396 , 972497 , 615383 , 43155 , 4583807 , 32915765 , 64944509 , 835615372 , 643751007 , 559453043 , 2576531021
n×2
142625826
n×3
213938739
n×4
285251652
n×5
356564565
n÷2
35656456.5
n÷3
23770971
n÷3
17828228.25
n÷5
14262582.6
n2
5085531560545569
n3
3.6266406973594E+23
n4
2.5862631253305E+31
n5
1.844339572518E+39
2 √n
8444.6973302777
3 √n
414.68920069239
4 √n
91.895034306962
5 √n
37.207769440389
1 , 3 , 7 , 9 , 21 , 27 , 63 , 127 , 189 , 381 , 889 , 1143 , 2667 , 2971 , 3429 , 8001 , 8913 , 20797 , 24003 , 26739 , 62391 , 80217 , 187173 , 377317 , 561519 , 1131951 , 2641219 , 3395853 , 7923657 , 10187559 , 23770971 , 71312913
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71312912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71312913 can be divided by 32 positive divisors.
The sum of these divisors (counting 71312913) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000000010011000010001
3
Ternary
11222012001221000
4
Quaternary
10100002120101
5
Quinary
121224003123
6
Senary
11024252213
8
Octal
420023021
10
Decimal
71312913
12
Duodecimal
1ba71069
16
Hexadecimal
4402611
20
Vigesimal
125e25d
36
Base36
16ghe9
md5
0b65c48e334ace8fe0a71101ccd596ed
sha1
f24a4007fb8fdebc6a97f5171608989ac4e2d516
sha256
5525e93ed62fcbd020405e907ff304853998aaca921e9f55778364a0dcd1a5f4
sha512
c551aaa312a030741b5d30eb7995c8c9a3a68bc0c7cb09f2b9773f30ddb9d95ca98fdeb0daf3b07bdcb727702e5eaa96bf824f16c4d85f426bafa752a297d448
ripemd-160
3f33920332b18ce2156df133d0b3e0fb0e968f0f
Diameter
142625826
Circumference
448072247.17378
Area
1.5976668590209E+16
Volume
1.5191237029379E+24
Surface area
6.3906674360836E+16
Circumference
448072247.17378
Perimeter
285251652
Area
5085531560545569
Diagonal
100851688.73693
Surface area
30513189363273414
Volume
3.6266406973594E+23
Space diagonal
123517588.55174
Perimeter
213938739
Area
2.20209976159E+15
Altitude
61758794.27587
Surface area
2.20209976159E+15
Volume
4.2740370500499E+22
Height
33617229.578978