71311921 is an odd 8-digits composite number following 71311920
and preceding 71311922 . In scientific notation, it is written as 7.1311921 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 67476240 positive integers (up to 71311921) that are relatively prime to 71311921.
71311921 has 8 divisors, whose sum is 75156800
The reverse of 71311921 is 12911317
Previous prime number is 1069
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-one million three hundred eleven thousand nine hundred twenty-one
Scientific notation
7.1311921 × 10^7
Engineering notation
7.1311921 × 10^6
Prime Factorization
19 × 1069 × 3511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71311921
Product of the distinct prime numbers
The prime factorization of 71311921 is 19 × 1069 × 3511.
Since it has a total of 3 prime factors.
1 , 8 , 50 , 97 , 206 , 35 , 1709 , 4639 , 61146 , 74599 , 206133 , 926147 , 6888693 , 6471828 , 3037598 , 49963907 , 57307268 , 305247164 , 4845021217 , 206509711
n×2
142623842
n×3
213935763
n×4
285247684
n×5
356559605
n÷2
35655960.5
n÷3
23770640.333333
n÷3
17827980.25
n÷5
14262384.2
n2
5085390076710241
n3
3.6264893540454E+23
n4
2.5861192232303E+31
n5
1.8442112974358E+39
2 √n
8444.6385949903
3 √n
414.68727783542
4 √n
91.894714728271
5 √n
37.207665923898
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
-71311920
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 71311921 can be divided by 8 positive divisors.
The sum of these divisors (counting 71311921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000000010001000110001
3
Ternary
11222012000120021
4
Quaternary
10100002020301
5
Quinary
121223440141
6
Senary
11024243441
8
Octal
420021061
10
Decimal
71311921
12
Duodecimal
1ba70581
16
Hexadecimal
4402231
20
Vigesimal
125djg1
36
Base36
16ggmp
md5
ead51929953227f1c0f3022c5268969a
sha1
71681606d54066b597fe8e4269a752883b04c40c
sha256
87c372dc967067f50a3358e5d6d70440e43773732a8b18156cff6f68dd7ea93f
sha512
161783e80273258c43045cf3b5012e2817821593053d875e0cc084eebd244f8aa77ff09f78bd83c92b83abdd8fefd5b98031bbea8c070227dfebbd33380aaa1e
ripemd-160
3afdfe81d02d672e56b82b1ecf075a5cec871d1b
Diameter
142623842
Circumference
448066014.25395
Area
1.5976224105631E+16
Volume
1.5190603083988E+24
Surface area
6.3904896422525E+16
Circumference
448066014.25395
Perimeter
285247684
Area
5085390076710241
Diagonal
100850285.83708
Surface area
30512340460261446
Volume
3.6264893540454E+23
Space diagonal
123515870.35734
Perimeter
213935763
Area
2.2020384972922E+15
Altitude
61757935.178669
Surface area
2.2020384972922E+15
Volume
4.2738586902439E+22
Height
33616761.945693