71388990 (number)

71388990 is an even 8-digits composite number following 71388989 and preceding 71388991. In scientific notation, it is written as 7.1388990 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 18946368 positive integers (up to 71388990) that are relatively prime to 71388990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1388990 × 10^7
Engineering notation 7.1388990 × 10^6

Prime Factorization of 71388990

Prime Factorization 2 × 9 × 5 × 223 × 3557

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71388990
Product of the distinct prime numbers

The prime factorization of 71388990 is 2 × 9 × 5 × 223 × 3557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 72, 13, 599, 437, 8087, 1534, 39094, 58495, 550275, 737839, 7637252, 3906006, 51319145, 77207596, 794375758, 655132727, 1534794997, 6884969643

Basic calculations (n = 71388990)

Multiplication

n×y
n×2 142777980
n×3 214166970
n×4 285555960
n×5 356944950

Division

n÷y
n÷2 35694495
n÷3 23796330
n÷3 17847247.5
n÷5 14277798

Exponentiation

ny
n2 5096387893220100
n3 3.6382598434521E+23
n4 2.597316955816E+31
n5 1.8541983418558E+39

Nth Root

y√n
2√n 8449.2005538986
3√n 414.8366125098
4√n 91.919533037862
5√n 37.215704744742

Divisors of 71388990

1, 2, 5, 9, 10, 18, 45, 90, 223, 446, 1115, 2007, 2230, 3557, 4014, 7114, 10035, 17785, 20070, 32013, 35570, 64026, 160065, 320130, 793211, 1586422, 3966055, 7138899, 7932110, 14277798, 35694495, 71388990

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 -71388989
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 71388990 can be divided by 32 positive divisors. The sum of these divisors (counting 71388990) is 1, the average is 0.03125.

Base conversion 71388990

Base System Value
2 Binary 100010000010100111100111110
3 Ternary 11222022221021200
4 Quaternary 10100110330332
5 Quinary 121233421430
6 Senary 11030040330
8 Octal 420247476
10 Decimal 71388990
12 Duodecimal 1baa90a6
16 Hexadecimal 4414f3e
20 Vigesimal 1263c9a
36 Base36 16i43i

Cryptographic Hash Functions

md5 f9f15da187f82f5712a6724d72309b48
sha1 01ca180df5d348b73749c06ab7d800974e582114
sha256 1eb98efc096b31dff40da90d6130656a9e6bd25daa83d6879a61d6632b3b9e04
sha512 b19417c3d6a4e32dc76a9d5f1372c90ebb6852644b22d9d9d1873c24fd118e49d6daa46f3afacb03147e1fb2850d62f57f6025c478333bc2a83c998c4d437c05
ripemd-160 a631371a85bbb899fc3253171b6ea0bc2ecf6156

71388990 as geometric shapes

Circle

Radius = n
Diameter 142777980
Circumference 448550253.06239
Area 1.6010774765184E+16

Sphere

Radius = n
Volume 1.523990719472E+24
Surface area 6.4043099060737E+16
Circumference 448550253.06239

Square

Length = n
Perimeter 285555960
Area 5096387893220100
Diagonal 100959277.86212

Cube

Length = n
Surface area 30578327359320600
Volume 3.6382598434521E+23
Space diagonal 123649357.78103

Equilateral Triangle

Length = n
Perimeter 214166970
Area 2.206800691534E+15
Altitude 61824678.890513

Triangular Pyramid

Length = n
Surface area 2.206800691534E+15
Volume 4.2877303450395E+22
Height 33653092.620706