71397989 (number)

71397989 is an odd 8-digits composite number following 71397988 and preceding 71397990. In scientific notation, it is written as 7.1397989 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 65905824 positive integers (up to 71397989) that are relatively prime to 71397989.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 7.1397989 × 10^7
Engineering notation 7.1397989 × 10^6

Prime Factorization of 71397989

Prime Factorization 13 × 5492153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71397989
Product of the distinct prime numbers

The prime factorization of 71397989 is 13 × 5492153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 67, 68, 172, 284, 8361, 9742, 65793, 3455, 637224, 623923, 265699, 3173174, 93099206, 95449627, 985468374, 292886942, 5032094001, 242544997

Basic calculations (n = 71397989)

Multiplication

n×y
n×2 142795978
n×3 214193967
n×4 285591956
n×5 356989945

Division

n÷y
n÷2 35698994.5
n÷3 23799329.666667
n÷3 17849497.25
n÷5 14279597.8

Exponentiation

ny
n2 5097672833244121
n3 3.6396358887356E+23
n4 2.5986268314795E+31
n5 1.8553672992908E+39

Nth Root

y√n
2√n 8449.7330727071
3√n 414.85404263839
4√n 91.922429649717
5√n 37.216642948915

Divisors of 71397989

1, 13, 5492153, 71397989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71397988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71397989 can be divided by 4 positive divisors. The sum of these divisors (counting 71397989) is 1, the average is 0.25.

Base conversion 71397989

Base System Value
2 Binary 100010000010111001001100101
3 Ternary 11222100101121222
4 Quaternary 10100113021211
5 Quinary 121234213424
6 Senary 11030150125
8 Octal 420271145
10 Decimal 71397989
12 Duodecimal 1bab2345
16 Hexadecimal 4417265
20 Vigesimal 1264ej9
36 Base36 16ib1h

Cryptographic Hash Functions

md5 80512cae9f883f44a8097c81ac7c8faf
sha1 3ce8e43120b165abdfa5ca736b3316ac659cbdf9
sha256 4a0d9b7bb6013f344af989f9767ddd64dc5db67c47d14a2611ee58dc32dd700f
sha512 8334ff9fa00f46221566a491256875ce3cc5a36184f8697f511ec24de29e364d995e5b3ebbc521597c2d9e9ecabbcfb109e8f3be8a9fe20a09504a1aebe5ce1a
ripemd-160 e9ea07c61356d917b6e9d5918235ceb77a046ca4

71397989 as geometric shapes

Circle

Radius = n
Diameter 142795978
Circumference 448606795.44697
Area 1.6014811523324E+16

Sphere

Radius = n
Volume 1.5245671159725E+24
Surface area 6.4059246093296E+16
Circumference 448606795.44697

Square

Length = n
Perimeter 285591956
Area 5097672833244121
Diagonal 100972004.36997

Cube

Length = n
Surface area 30586036999464726
Volume 3.6396358887356E+23
Space diagonal 123664944.50624

Equilateral Triangle

Length = n
Perimeter 214193967
Area 2.2073570868856E+15
Altitude 61832472.253122

Triangular Pyramid

Length = n
Surface area 2.2073570868856E+15
Volume 4.2893520299581E+22
Height 33657334.789988