71357991 is an odd 8-digits composite number following 71357990
and preceding 71357992 . In scientific notation, it is written as 7.1357991 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 47372472 positive integers (up to 71357991) that are relatively prime to 71357991.
71357991 has 8 divisors, whose sum is 95543040
The reverse of 71357991 is 19975317
Previous prime number is 239
Is Prime? no Number parity odd Number length 8 Sum of Digits 42 Digital Root 6
Name
seventy-one million three hundred fifty-seven thousand nine hundred ninety-one
Scientific notation
7.1357991 × 10^7
Engineering notation
7.1357991 × 10^6
Prime Factorization
3 × 239 × 99523
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
71357991 Product of the distinct prime numbers
The prime factorization of 71357991 is 3 × 239 × 99523.
Since it has a total of 3 prime factors.
4 , 4 , 71 , 2 , 495 , 590 , 1597 , 2187 , 54337 , 58341 , 815335 , 834150 , 1865307 , 8974355 , 66650959 , 32995337 , 268881498 , 604176997 , 4196882954 , 3919303374
n×2
142715982
n×3
214073973
n×4
285431964
n×5
356789955
n÷2
35678995.5
n÷3
23785997
n÷3
17839497.75
n÷5
14271598.2
n2
5091962879556081
n3
3.633522413317E+23
n4
2.5928085966777E+31
n5
1.8501761250645E+39
2 √n8447.3659208063
3 √n414.77655944972
4 √n91.909552935515
5 √n37.212472173272
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
-71357990 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 71357991 can be divided by 8 positive divisors.
The sum of these divisors (counting 71357991) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000001101011000100111
3
Ternary
11222021100202120
4
Quaternary
10100031120213
5
Quinary
121231423431
6
Senary
11025241023
8
Octal
420153047
10
Decimal
71357991
12
Duodecimal
1ba93173
16
Hexadecimal
440d627
20
Vigesimal
125jejb
36
Base36
16hg6f
md5
38aed760d4c35c34082fced12e855772
sha1
aa762a6869d98f0f464e3d4626cff3b22af7754c
sha256
ae790433e5cfd5f15ec8d9bd33adb63d2751a610ef47f43aa25cbf6f645d1872
sha512
d5a3b26c3b17edee940e5b44b02c07228cee98b1aeacfcd524f10b98fd348e444da50ff0d215d9604445a38a3d569a095afa0a7e21e402cfa8e6d9ab1a9318cd
ripemd-160
569fefac37a16c5e209f2074480b32d16d99567c
Diameter
142715982
Circumference
448355480.60105
Area
1.5996873174765E+16
Volume
1.5220063093774E+24
Surface area
6.3987492699061E+16
Circumference
448355480.60105
Perimeter
285431964
Area
5091962879556081
Diagonal
100915438.6559
Surface area
30551777277336486
Volume
3.633522413317E+23
Space diagonal
123595665.93804
Perimeter
214073973
Area
2.2048846044115E+15
Altitude
61797832.969021
Surface area
2.2048846044115E+15
Volume
4.2821472300829E+22
Height
33638479.551966