71691888 is an even 8-digits composite number following 71691887
and preceding 71691889 . In scientific notation, it is written as 7.1691888 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 23897280 positive integers (up to 71691888) that are relatively prime to 71691888.
71691888 has 20 divisors, whose sum is 185204168
The reverse of 71691888 is 88819617
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-one million six hundred ninety-one thousand eight hundred eighty-eight
Scientific notation
7.1691888 × 10^7
Engineering notation
7.1691888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1493581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8961486
Product of the distinct prime numbers
The prime factorization of 71691888 is 2 × 2 × 2 × 2 × 3 × 1493581.
Since it has a total of 6 prime factors.
5 , 9 , 94 , 77 , 909 , 255 , 18 , 9055 , 27376 , 52669 , 109971 , 214169 , 4214465 , 5389940 , 71798326 , 51202350 , 799949813 , 35875218 , 4258656542 , 6629836345
n×2
143383776
n×3
215075664
n×4
286767552
n×5
358459440
n÷2
35845944
n÷3
23897296
n÷3
17922972
n÷5
14338377.6
n2
5139726805004544
n3
3.6847671845498E+23
n4
2.6416791630082E+31
n5
1.8938696668632E+39
2 √n
8467.1062353085
3 √n
415.42249130199
4 √n
92.016880165046
5 √n
37.247231958249
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1493581 , 2987162 , 4480743 , 5974324 , 8961486 , 11948648 , 17922972 , 23897296 , 35845944 , 71691888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71691887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71691888 can be divided by 20 positive divisors.
The sum of these divisors (counting 71691888) is 1, the average is 0.05.
Base
System
Value
2
Binary
100010001011110111001110000
3
Ternary
11222220022210010
4
Quaternary
10101132321300
5
Quinary
121323120023
6
Senary
11040334520
8
Octal
421367160
10
Decimal
71691888
12
Duodecimal
20014440
16
Hexadecimal
445ee70
20
Vigesimal
12819e8
36
Base36
16oltc
md5
c27fcaab4866defce97ab62f51ee3190
sha1
a8a4be01a36fead97a0fce36f1594b17fd9e9de1
sha256
e693f2d293d058d635b7b05389020c17a5689e88494836d88edf1da988e535d1
sha512
8e62bc866992b8b70e821ea8d8ca56d78e57fed19be2dad86c0dbb0335c7cb0334ec081e06e52e54ef9addc683dcc4889961e5450cc39f955be7700663f53dd4
ripemd-160
bb01f996ca34490bc69592bb12df2f44666c9e0e
Diameter
143383776
Circumference
450453417.32556
Area
1.6146927972061E+16
Volume
1.5434716689561E+24
Surface area
6.4587711888243E+16
Circumference
450453417.32556
Perimeter
286767552
Area
5139726805004544
Diagonal
101387640.32173
Surface area
30838360830027264
Volume
3.6847671845498E+23
Space diagonal
124173992.50654
Perimeter
215075664
Area
2.2255669908229E+15
Altitude
62086996.253269
Surface area
2.2255669908229E+15
Volume
4.3425397721481E+22
Height
33795880.107244