71387138 is an even 8-digits composite number following 71387137
and preceding 71387139 . In scientific notation, it is written as 7.1387138 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors.
There are 33723648 positive integers (up to 71387138) that are relatively prime to 71387138.
71387138 has 32 divisors, whose sum is 113230656
The reverse of 71387138 is 83178317
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-seven thousand one hundred thirty-eight
Scientific notation
7.1387138 × 10^7
Engineering notation
7.1387138 × 10^6
Prime Factorization
2 × 73 × 83 × 137 × 43
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71387138
Product of the distinct prime numbers
The prime factorization of 71387138 is 2 × 73 × 83 × 137 × 43.
Since it has a total of 5 prime factors.
1 , 10 , 70 , 32 , 14 , 1 , 6143 , 1750 , 10033 , 4480 , 518276 , 138123 , 5661099 , 5491190 , 28715151 , 22403766 , 952368330 , 376210912 , 7262309523 , 9499992688
n×2
142774276
n×3
214161414
n×4
285548552
n×5
356935690
n÷2
35693569
n÷3
23795712.666667
n÷3
17846784.5
n÷5
14277427.6
n2
5096123471831044
n3
3.6379766954864E+23
n4
2.5970474440147E+31
n5
1.8539578427843E+39
2 √n
8449.0909570202
3 √n
414.83302519636
4 √n
91.918936879297
5 √n
37.215511649979
1 , 2 , 43 , 73 , 83 , 86 , 137 , 146 , 166 , 274 , 3139 , 3569 , 5891 , 6059 , 6278 , 7138 , 10001 , 11371 , 11782 , 12118 , 20002 , 22742 , 260537 , 430043 , 488953 , 521074 , 830083 , 860086 , 977906 , 1660166 , 35693569 , 71387138
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71387137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387138 can be divided by 32 positive divisors.
The sum of these divisors (counting 71387138) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010100100000000010
3
Ternary
11222022211202002
4
Quaternary
10100110200002
5
Quinary
121233342023
6
Senary
11030024002
8
Octal
420244002
10
Decimal
71387138
12
Duodecimal
1baa8002
16
Hexadecimal
4414802
20
Vigesimal
12637gi
36
Base36
16i2o2
md5
01df6516214b6a83e31b9da641a4fdfd
sha1
57a449dd70a6bff1f54009757785538199cbc3e6
sha256
89ee5446423c4ab7dbe7f6155f9395f24d437f29a1cfe68a7ced2403a997f886
sha512
c5d72f309e197300766c8347994d2a76cbea080176c58bca21a574a544bd4c6bc84b782e34d5befdb7179d9c24d5b6fbf47207f39c7567847038f32aa4f657b5
ripemd-160
a3e8cd0d02f53d3af1c5373607983dbc27791f93
Diameter
142774276
Circumference
448538616.6032
Area
1.6009944060891E+16
Volume
1.5238721147295E+24
Surface area
6.4039776243564E+16
Circumference
448538616.6032
Perimeter
285548552
Area
5096123471831044
Diagonal
100956658.7386
Surface area
30576740830986264
Volume
3.6379766954864E+23
Space diagonal
123646150.02293
Perimeter
214161414
Area
2.2066861937139E+15
Altitude
61823075.011465
Surface area
2.2066861937139E+15
Volume
4.2873966519618E+22
Height
33652219.579533