71291213 is an odd 8-digits composite number following 71291212
and preceding 71291214 . In scientific notation, it is written as 7.1291213 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 60884496 positive integers (up to 71291213) that are relatively prime to 71291213.
71291213 has 8 divisors, whose sum is 81772032
The reverse of 71291213 is 31219217
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-one million two hundred ninety-one thousand two hundred thirteen
Scientific notation
7.1291213 × 10^7
Engineering notation
7.1291213 × 10^6
Prime Factorization
7 × 277 × 36767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71291213
Product of the distinct prime numbers
The prime factorization of 71291213 is 7 × 277 × 36767.
Since it has a total of 3 prime factors.
1 , 9 , 98 , 81 , 196 , 832 , 5943 , 8043 , 88653 , 53598 , 174103 , 638746 , 6977704 , 9538825 , 83958594 , 24607118 , 433506753 , 937740773 , 227162702 , 5746353540
n×2
142582426
n×3
213873639
n×4
285164852
n×5
356456065
n÷2
35645606.5
n÷3
23763737.666667
n÷3
17822803.25
n÷5
14258242.6
n2
5082437051011369
n3
3.6233310236274E+23
n4
2.5831166377493E+31
n5
1.8415351842563E+39
2 √n
8443.4124025775
3 √n
414.64713412416
4 √n
91.888042761708
5 √n
37.205504754075
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
-71291212
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 71291213 can be divided by 8 positive divisors.
The sum of these divisors (counting 71291213) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111101000101001101
3
Ternary
11222010222011022
4
Quaternary
10033331011031
5
Quinary
121222304323
6
Senary
11024003525
8
Octal
417750515
10
Decimal
71291213
12
Duodecimal
1ba605a5
16
Hexadecimal
43fd14d
20
Vigesimal
125b80d
36
Base36
16g0nh
md5
307c633ac752b0de3fc6351a58518128
sha1
06384beadd1923d62e6fca3c022d4bd71e901b0e
sha256
9debca95542e2cf3c954dafcd423c3d949bb4a030c89068de9201dc2afedcef3
sha512
b698e7a16af7dd2d7ecd2fef3079f91ccde8c1c1e027e143a2bb713fc99cac22dd0bc50973622d3fd71d6f9276b8c3c66965551d41050679d666af4586fd8339
ripemd-160
892491508c6d6f5f95182c9a202a17cc4fb2efc7
Diameter
142582426
Circumference
447935902.05261
Area
1.596694690179E+16
Volume
1.5177373500469E+24
Surface area
6.386778760716E+16
Circumference
447935902.05261
Perimeter
285164852
Area
5082437051011369
Diagonal
100821000.30263
Surface area
30494622306068214
Volume
3.6233310236274E+23
Space diagonal
123480003.04921
Perimeter
213873639
Area
2.2007597996556E+15
Altitude
61740001.524607
Surface area
2.2007597996556E+15
Volume
4.2701365621509E+22
Height
33607000.100876