71388138 (number)

71388138 is an even 8-digits composite number following 71388137 and preceding 71388139. In scientific notation, it is written as 7.1388138 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 23346960 positive integers (up to 71388138) that are relatively prime to 71388138.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand one hundred thirty-eight

Notation

Scientific notation 7.1388138 × 10^7
Engineering notation 7.1388138 × 10^6

Prime Factorization of 71388138

Prime Factorization 2 × 3 × 53 × 224491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71388138
Product of the distinct prime numbers

The prime factorization of 71388138 is 2 × 3 × 53 × 224491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388138)

Multiplication

n×y
n×2 142776276
n×3 214164414
n×4 285552552
n×5 356940690

Division

n÷y
n÷2 35694069
n÷3 23796046
n÷3 17847034.5
n÷5 14277627.6

Exponentiation

ny
n2 5096266247107044
n3 3.6381295813322E+23
n4 2.5971929661403E+31
n5 1.8540876987945E+39

Nth Root

y√n
2√n 8449.1501347769
3√n 414.83496219836
4√n 91.919258780611
5√n 37.215615913308

Divisors of 71388138

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71388137
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71388138 can be divided by 16 positive divisors. The sum of these divisors (counting 71388138) is 1, the average is 0.0625.

Base conversion 71388138

Base System Value
2 Binary 100010000010100101111101010
3 Ternary 11222022220010010
4 Quaternary 10100110233222
5 Quinary 121233410023
6 Senary 11030032350
8 Octal 420245752
10 Decimal 71388138
12 Duodecimal 1baa86b6
16 Hexadecimal 4414bea
20 Vigesimal 1263a6i
36 Base36 16i3fu

Cryptographic Hash Functions

md5 b22069183c9b302c09231c58b1c0f45b
sha1 06de8c5bea478d9ab6fa876a6955a260e153aaec
sha256 2b3d80118e3cad516615f22b4558fba542b0c9f5e13ba0c446253bd0fb2d8ad8
sha512 b2eee1ce97b1a3269b38cca1bbf8d3c8d0b9845ace9eabc68606f680154ac3d099c40535478f24296340a5d6c2c31a53baa1f9fde33f765aa13b4037b2b2bd2f
ripemd-160 188651a423e511c1a3c3f3aea0f58a9d5dee402e

71388138 as geometric shapes

Circle

Radius = n
Diameter 142776276
Circumference 448544899.78851
Area 1.6010392602649E+16

Sphere

Radius = n
Volume 1.5239361554028E+24
Surface area 6.4041570410596E+16
Circumference 448544899.78851

Square

Length = n
Perimeter 285552552
Area 5096266247107044
Diagonal 100958072.95216

Cube

Length = n
Surface area 30577597482642264
Volume 3.6381295813322E+23
Space diagonal 123647882.07374

Equilateral Triangle

Length = n
Perimeter 214164414
Area 2.2067480172219E+15
Altitude 61823941.036869

Triangular Pyramid

Length = n
Surface area 2.2067480172219E+15
Volume 4.287576829659E+22
Height 33652690.984054