71388908 is an even 8-digits composite number following 71388907
and preceding 71388909 . In scientific notation, it is written as 7.1388908 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 34542960 positive integers (up to 71388908) that are relatively prime to 71388908.
71388908 has 12 divisors, whose sum is 128960832
The reverse of 71388908 is 80988317
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million three hundred eighty-eight thousand nine hundred eight
Scientific notation
7.1388908 × 10^7
Engineering notation
7.1388908 × 10^6
Prime Factorization
2 × 2 × 31 × 575717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35694454
Product of the distinct prime numbers
The prime factorization of 71388908 is 2 × 2 × 31 × 575717.
Since it has a total of 4 prime factors.
5 , 9 , 51 , 82 , 282 , 612 , 217 , 7370 , 58383 , 97818 , 256168 , 313437 , 6202320 , 8035458 , 47284238 , 30622135 , 740223235 , 144584870 , 3877985909 , 3426509808
n×2
142777816
n×3
214166724
n×4
285555632
n×5
356944540
n÷2
35694454
n÷3
23796302.666667
n÷3
17847227
n÷5
14277781.6
n2
5096376185432464
n3
3.6382473063523E+23
n4
2.5973050223443E+31
n5
1.8541876928808E+39
2 √n
8449.1957013671
3 √n
414.83645367758
4 √n
91.919506642318
5 √n
37.215696195275
1 , 2 , 4 , 31 , 62 , 124 , 575717 , 1151434 , 2302868 , 17847227 , 35694454 , 71388908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388908 can be divided by 12 positive divisors.
The sum of these divisors (counting 71388908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100111011101100
3
Ternary
11222022221011122
4
Quaternary
10100110323230
5
Quinary
121233421113
6
Senary
11030040112
8
Octal
420247354
10
Decimal
71388908
12
Duodecimal
1baa9038
16
Hexadecimal
4414eec
20
Vigesimal
1263c58
36
Base36
16i418
md5
f9b777f138b8c6c9685f2ef7caff2b85
sha1
3539e0f331afdef34b46a2b2d4639d3eb7989933
sha256
ee6d2c5636cf450dcc73af45c5b29ad2005bf3314552371cb64b5cb028c09f93
sha512
44522beb82126a6fd035dfd2b085799f2f4b7978ec7a60ea6d31be6408584e33053a67f28f9dacd8db7cf6d61986916ba465c9cb9b6cecc4299fc1dfac9f9ef4
ripemd-160
744ba8359f251aff388ae25ded3f0b16e75bacbd
Diameter
142777816
Circumference
448549737.8412
Area
1.6010737984085E+16
Volume
1.5239854679439E+24
Surface area
6.4042951936338E+16
Circumference
448549737.8412
Perimeter
285555632
Area
5096376185432464
Diagonal
100959161.89661
Surface area
30578257112594784
Volume
3.6382473063523E+23
Space diagonal
123649215.75286
Perimeter
214166724
Area
2.2067956219133E+15
Altitude
61824607.87643
Surface area
2.2067956219133E+15
Volume
4.2877155699257E+22
Height
33653053.965535