71621391 (number)

71621391 is an odd 8-digits composite number following 71621390 and preceding 71621392. In scientific notation, it is written as 7.1621391 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 44089344 positive integers (up to 71621391) that are relatively prime to 71621391.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred twenty-one thousand three hundred ninety-one

Notation

Scientific notation 7.1621391 × 10^7
Engineering notation 7.1621391 × 10^6

Prime Factorization of 71621391

Prime Factorization 3 × 53 × 17 × 26497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71621391
Product of the distinct prime numbers

The prime factorization of 71621391 is 3 × 53 × 17 × 26497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 21, 91, 205, 341, 9150, 2545, 49777, 16761, 726631, 58807, 7334329, 3829280, 87912428, 54177463, 148554821, 270839011, 8398815673, 6598602015

Basic calculations (n = 71621391)

Multiplication

n×y
n×2 143242782
n×3 214864173
n×4 286485564
n×5 358106955

Division

n÷y
n÷2 35810695.5
n÷3 23873797
n÷3 17905347.75
n÷5 14324278.2

Exponentiation

ny
n2 5129623648774881
n3 3.6739078103175E+23
n4 2.6313038778071E+31
n5 1.8845764387224E+39

Nth Root

y√n
2√n 8462.942218874
3√n 415.28628042912
4√n 91.994251009908
5√n 37.239903788728

Divisors of 71621391

1, 3, 17, 51, 53, 159, 901, 2703, 26497, 79491, 450449, 1351347, 1404341, 4213023, 23873797, 71621391

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 -71621390
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 71621391 can be divided by 16 positive divisors. The sum of these divisors (counting 71621391) is 1, the average is 0.0625.

Base conversion 71621391

Base System Value
2 Binary 100010001001101101100001111
3 Ternary 11222202202002010
4 Quaternary 10101031230033
5 Quinary 121313341031
6 Senary 11035032303
8 Octal 421155417
10 Decimal 71621391
12 Duodecimal 1bb9b693
16 Hexadecimal 444db0f
20 Vigesimal 127cd9b
36 Base36 16n3f3

Cryptographic Hash Functions

md5 f57bf27fef7d65b8fa9cca66685f16d2
sha1 313df73d1066d3985f5a2203efc8fd1c636c89eb
sha256 b65adf0a5e69d40a84cc7a28b1e7132371111ba24cfd5dc6674a7d3951bd4160
sha512 72502ca69cdfeb1c7f95e72944a1febf7c65d1b3906a4f3a5271cca3d2e2935d8c0d3d39fa2f04ca6ff4200c8d62e199a791193798fdfa1251f7f40443ed3059
ripemd-160 984438313bdf6f1f5fa930f4782a879a45d5c53a

71621391 as geometric shapes

Circle

Radius = n
Diameter 143242782
Circumference 450010471.61096
Area 1.6115187970672E+16

Sphere

Radius = n
Volume 1.5389229049146E+24
Surface area 6.4460751882687E+16
Circumference 450010471.61096

Square

Length = n
Perimeter 286485564
Area 5129623648774881
Diagonal 101287942.50823

Cube

Length = n
Surface area 30777741892649286
Volume 3.6739078103175E+23
Space diagonal 124051888.12076

Equilateral Triangle

Length = n
Perimeter 214864173
Area 2.2211921958462E+15
Altitude 62025944.060378

Triangular Pyramid

Length = n
Surface area 2.2211921958462E+15
Volume 4.3297418768829E+22
Height 33762647.502742