71389640 (number)

71389640 is an even 8-digits composite number following 71389639 and preceding 71389641. In scientific notation, it is written as 7.1389640 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 24476352 positive integers (up to 71389640) that are relatively prime to 71389640.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-nine thousand six hundred forty

Notation

Scientific notation 7.1389640 × 10^7
Engineering notation 7.1389640 × 10^6

Prime Factorization of 71389640

Prime Factorization 2 × 2 × 2 × 7 × 5 × 254963

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 17847410
Product of the distinct prime numbers

The prime factorization of 71389640 is 2 × 2 × 2 × 7 × 5 × 254963. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 26, 91, 666, 649, 8279, 2226, 74057, 42869, 125365, 194633, 4123091, 1555328, 76661412, 66506561, 96348743, 757485544, 7628758623, 8110450904

Basic calculations (n = 71389640)

Multiplication

n×y
n×2 142779280
n×3 214168920
n×4 285558560
n×5 356948200

Division

n÷y
n÷2 35694820
n÷3 23796546.666667
n÷3 17847410
n÷5 14277928

Exponentiation

ny
n2 5096480699329600
n3 3.6383592239209E+23
n4 2.5974115518639E+31
n5 1.8542827561941E+39

Nth Root

y√n
2√n 8449.2390189886
3√n 414.83787154138
4√n 91.919742270029
5√n 37.215772514632

Divisors of 71389640

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254963, 509926, 1019852, 1274815, 1784741, 2039704, 2549630, 3569482, 5099260, 7138964, 8923705, 10198520, 14277928, 17847410, 35694820, 71389640

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 -71389639
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 71389640 can be divided by 32 positive divisors. The sum of these divisors (counting 71389640) is 1, the average is 0.03125.

Base conversion 71389640

Base System Value
2 Binary 100010000010101000111001000
3 Ternary 11222022222011202
4 Quaternary 10100111013020
5 Quinary 121233432030
6 Senary 11030043332
8 Octal 420250710
10 Decimal 71389640
12 Duodecimal 1baa9548
16 Hexadecimal 44151c8
20 Vigesimal 1263e20
36 Base36 16i4lk

Cryptographic Hash Functions

md5 fa4115473fc9b88a23155156760d918b
sha1 b78ceba97a94f7b944d2ee76ec8bf66c4fc6dccd
sha256 6a26561475938a5dc1ddc19bfb46dc0f6e12419effca88ba0dc69da63b29b927
sha512 80ba47fdadb33f1c0af0ce187b8ea03ad0042cf7390ab4de972b123196f58a3e6fe072c7c368659e8c85c53a786a3328525d5dc05235185ea40c6c62c769e6db
ripemd-160 2ea4bbf5902f53338792d2ecd41efcffc8cbaf98

71389640 as geometric shapes

Circle

Radius = n
Diameter 142779280
Circumference 448554337.13284
Area 1.6011066324176E+16

Sphere

Radius = n
Volume 1.5240323478654E+24
Surface area 6.4044265296704E+16
Circumference 448554337.13284

Square

Length = n
Perimeter 285558560
Area 5096480699329600
Diagonal 100960197.10093

Cube

Length = n
Surface area 30578884195977600
Volume 3.6383592239209E+23
Space diagonal 123650483.61405

Equilateral Triangle

Length = n
Perimeter 214168920
Area 2.2068408777583E+15
Altitude 61825241.807026

Triangular Pyramid

Length = n
Surface area 2.2068408777583E+15
Volume 4.2878474660451E+22
Height 33653399.033644