71388915 (number)

71388915 is an odd 8-digits composite number following 71388914 and preceding 71388916. In scientific notation, it is written as 7.1388915 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 35145216 positive integers (up to 71388915) that are relatively prime to 71388915.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand nine hundred fifteen

Notation

Scientific notation 7.1388915 × 10^7
Engineering notation 7.1388915 × 10^6

Prime Factorization of 71388915

Prime Factorization 39 × 5 × 366097

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71388915
Product of the distinct prime numbers

The prime factorization of 71388915 is 39 × 5 × 366097. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388915)

Multiplication

n×y
n×2 142777830
n×3 214166745
n×4 285555660
n×5 356944575

Division

n÷y
n÷2 35694457.5
n÷3 23796305
n÷3 17847228.75
n÷5 14277783

Exponentiation

ny
n2 5096377184877225
n3 3.6382483765914E+23
n4 2.5973060410537E+31
n5 1.8541886019377E+39

Nth Root

y√n
2√n 8449.1961156077
3√n 414.83646723643
4√n 91.919508895597
5√n 37.215696925108

Divisors of 71388915

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 -71388914
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 71388915 can be divided by 8 positive divisors. The sum of these divisors (counting 71388915) is 1, the average is 0.125.

Base conversion 71388915

Base System Value
2 Binary 100010000010100111011110011
3 Ternary 11222022221011220
4 Quaternary 10100110323303
5 Quinary 121233421130
6 Senary 11030040123
8 Octal 420247363
10 Decimal 71388915
12 Duodecimal 1baa9043
16 Hexadecimal 4414ef3
20 Vigesimal 1263c5f
36 Base36 16i41f

Cryptographic Hash Functions

md5 f6233d75992a6e569c7bfd7e3f3cad7b
sha1 ac3d1c6fd14019fa93f5fa62b9af112ecb88171f
sha256 5538dea5b5dfc90bd72945b2e31ea24e97ca11baa2b5783c2c09eb9f54908766
sha512 6e7b39921c4a8b350b60daaf0f06771ea2542780746b4ec68d13084d3ce08ce3a12558767fde870030fa5e26781b54071f28686146187eb63e2dcfc37a3fd457
ripemd-160 06d9622a047de60ea008fa80174a3defd76db417

71388915 as geometric shapes

Circle

Radius = n
Diameter 142777830
Circumference 448549781.82349
Area 1.6010741123933E+16

Sphere

Radius = n
Volume 1.5239859162446E+24
Surface area 6.4042964495732E+16
Circumference 448549781.82349

Square

Length = n
Perimeter 285555660
Area 5096377184877225
Diagonal 100959171.7961

Cube

Length = n
Surface area 30578263109263350
Volume 3.6382483765914E+23
Space diagonal 123649227.87722

Equilateral Triangle

Length = n
Perimeter 214166745
Area 2.2067960546855E+15
Altitude 61824613.938608

Triangular Pyramid

Length = n
Surface area 2.2067960546855E+15
Volume 4.2877168312145E+22
Height 33653057.265367