71388457 (number)

71388457 is an odd 8-digits composite number following 71388456 and preceding 71388458. In scientific notation, it is written as 7.1388457 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 57346560 positive integers (up to 71388457) that are relatively prime to 71388457.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand four hundred fifty-seven

Notation

Scientific notation 7.1388457 × 10^7
Engineering notation 7.1388457 × 10^6

Prime Factorization of 71388457

Prime Factorization 7 × 17 × 263 × 2281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71388457
Product of the distinct prime numbers

The prime factorization of 71388457 is 7 × 17 × 263 × 2281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 55, 51, 473, 199, 2295, 9578, 3953, 52184, 126519, 685731, 1365994, 9281799, 70151487, 51762710, 592262985, 274285907, 6094367003, 3542442666

Basic calculations (n = 71388457)

Multiplication

n×y
n×2 142776914
n×3 214165371
n×4 285553828
n×5 356942285

Division

n÷y
n÷2 35694228.5
n÷3 23796152.333333
n÷3 17847114.25
n÷5 14277691.4

Exponentiation

ny
n2 5096311792840849
n3 3.6381783528181E+23
n4 2.5972393889849E+31
n5 1.8541291243925E+39

Nth Root

y√n
2√n 8449.1690123941
3√n 414.83558009819
4√n 91.919361466418
5√n 37.215649173064

Divisors of 71388457

1, 7, 17, 119, 263, 1841, 2281, 4471, 15967, 31297, 38777, 271439, 599903, 4199321, 10198351, 71388457

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71388456
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71388457 can be divided by 16 positive divisors. The sum of these divisors (counting 71388457) is 1, the average is 0.0625.

Base conversion 71388457

Base System Value
2 Binary 100010000010100110100101001
3 Ternary 11222022220112221
4 Quaternary 10100110310221
5 Quinary 121233412312
6 Senary 11030034041
8 Octal 420246451
10 Decimal 71388457
12 Duodecimal 1baa8921
16 Hexadecimal 4414d29
20 Vigesimal 1263b2h
36 Base36 16i3op

Cryptographic Hash Functions

md5 589d8d33de05cdde872608af66038e94
sha1 f06749dd2a78da9f5ad570002306284a49a73b32
sha256 6ab5eee5e35564fcf00de0412f7a1d0c0a4d35937f1ebd110b83442ef0722bfa
sha512 a94d271c78e9a6c21f0d7f0abc68a97497ac751b6692bed3a31800c20ce6befac1cc8c111a68dd70580035b2d4d864e85f2bfebbd3a01f620c1d65443adf4f39
ripemd-160 00e4477d0bf53e22c70f116b5c84959c7c9a1000

71388457 as geometric shapes

Circle

Radius = n
Diameter 142776914
Circumference 448546904.12462
Area 1.6010535688792E+16

Sphere

Radius = n
Volume 1.523956584755E+24
Surface area 6.4042142755167E+16
Circumference 448546904.12462

Square

Length = n
Perimeter 285553828
Area 5096311792840849
Diagonal 100958524.08629

Cube

Length = n
Surface area 30577870757045094
Volume 3.6381783528181E+23
Space diagonal 123648434.59795

Equilateral Triangle

Length = n
Perimeter 214165371
Area 2.2067677391032E+15
Altitude 61824217.298973

Triangular Pyramid

Length = n
Surface area 2.2067677391032E+15
Volume 4.2876343074063E+22
Height 33652841.362096