71397287 (number)

71397287 is an odd 8-digits composite number following 71397286 and preceding 71397288. In scientific notation, it is written as 7.1397287 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 65905176 positive integers (up to 71397287) that are relatively prime to 71397287.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1397287 × 10^7
Engineering notation 7.1397287 × 10^6

Prime Factorization of 71397287

Prime Factorization 13 × 5492099

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71397287
Product of the distinct prime numbers

The prime factorization of 71397287 is 13 × 5492099. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 92, 14, 514, 716, 2578, 257, 32637, 65446, 541663, 865667, 6178572, 8543524, 83949510, 33547966, 626394461, 378897252, 5433386646, 6960638947

Basic calculations (n = 71397287)

Multiplication

n×y
n×2 142794574
n×3 214191861
n×4 285589148
n×5 356986435

Division

n÷y
n÷2 35698643.5
n÷3 23799095.666667
n÷3 17849321.75
n÷5 14279457.4

Exponentiation

ny
n2 5097572590960369
n3 3.6395285328013E+23
n4 2.598524632011E+31
n5 1.8552760892826E+39

Nth Root

y√n
2√n 8449.6915328312
3√n 414.85268298995
4√n 91.922203698732
5√n 37.21656976426

Divisors of 71397287

1, 13, 5492099, 71397287

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 -71397286
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 71397287 can be divided by 4 positive divisors. The sum of these divisors (counting 71397287) is 1, the average is 0.25.

Base conversion 71397287

Base System Value
2 Binary 100010000010110111110100111
3 Ternary 11222100100122222
4 Quaternary 10100112332213
5 Quinary 121234203122
6 Senary 11030142555
8 Octal 420267647
10 Decimal 71397287
12 Duodecimal 1bab1a5b
16 Hexadecimal 4416fa7
20 Vigesimal 1264d47
36 Base36 16iahz

Cryptographic Hash Functions

md5 f006f94ad64e717e3bbeb0a26aec1f66
sha1 8e42c77a2c938ec7c8d8c77d16f90a55e6912992
sha256 d1667c5d4cc96895c752d2ba0b675065da6fe64161bae354bda627faca3a7fa8
sha512 999d1416e430b978a9ef26c3738508847c4c5783ff87cd7fd3bd62e4ad61bfc53f36f5dddc6cafc85283f97996b83ec1b3bd37bf33f78a51c32924d8e335526d
ripemd-160 e8ef16e4797b7687b87656a1d466d6d23236c6e6

71397287 as geometric shapes

Circle

Radius = n
Diameter 142794574
Circumference 448602384.65088
Area 1.6014496602902E+16

Sphere

Radius = n
Volume 1.5245221468239E+24
Surface area 6.4057986411607E+16
Circumference 448602384.65088

Square

Length = n
Perimeter 285589148
Area 5097572590960369
Diagonal 100971011.59204

Cube

Length = n
Surface area 30585435545762214
Volume 3.6395285328013E+23
Space diagonal 123663728.60658

Equilateral Triangle

Length = n
Perimeter 214191861
Area 2.2073136807035E+15
Altitude 61831864.303288

Triangular Pyramid

Length = n
Surface area 2.2073136807035E+15
Volume 4.2892255097762E+22
Height 33657003.864015