71640981 (number)

71640981 is an odd 8-digits composite number following 71640980 and preceding 71640982. In scientific notation, it is written as 7.1640981 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 46595520 positive integers (up to 71640981) that are relatively prime to 71640981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1640981 × 10^7
Engineering notation 7.1640981 × 10^6

Prime Factorization of 71640981

Prime Factorization 3 × 3 × 41 × 194149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 23880327
Product of the distinct prime numbers

The prime factorization of 71640981 is 3 × 3 × 41 × 194149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 18, 16, 151, 970, 3573, 1238, 13505, 49204, 651206, 163374, 4972073, 1731626, 54169343, 83893422, 659248589, 873953855, 5265872520, 3211952596

Basic calculations (n = 71640981)

Multiplication

n×y
n×2 143281962
n×3 214922943
n×4 286563924
n×5 358204905

Division

n÷y
n÷2 35820490.5
n÷3 23880327
n÷3 17910245.25
n÷5 14328196.2

Exponentiation

ny
n2 5132430158642361
n3 3.6769233147912E+23
n4 2.6341839333342E+31
n5 1.887155211185E+39

Nth Root

y√n
2√n 8464.0995386397
3√n 415.32414023837
4√n 92.000540969277
5√n 37.241940749757

Divisors of 71640981

1, 3, 9, 41, 123, 369, 194149, 582447, 1747341, 7960109, 23880327, 71640981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71640980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71640981 can be divided by 12 positive divisors. The sum of these divisors (counting 71640981) is 1, the average is 0.083333333333333.

Base conversion 71640981

Base System Value
2 Binary 100010001010010011110010101
3 Ternary 11222210201221200
4 Quaternary 10101102132111
5 Quinary 121320002411
6 Senary 11035303113
8 Octal 421223625
10 Decimal 71640981
12 Duodecimal 1bbaaa99
16 Hexadecimal 4452795
20 Vigesimal 127f291
36 Base36 16nij9

Cryptographic Hash Functions

md5 d0db9cd52fb854ba27552d5e09e8da1b
sha1 8886e269ebc741cff3470d53e615d5335c44f1ae
sha256 62b1123ef56c9b42782962c72e742b36bd4b4a876b742b752152c9fd4da74440
sha512 43995d8a51320d74d5cd746f23f6f32710bfd6b673dab682ba835308d63a74614fb087bdb997d4e46982dd58cf04a46cce1c0ff3dad702968a0a4febcdeecb2d
ripemd-160 4b51f55586088abcebba4f63840618cb2a687c29

71640981 as geometric shapes

Circle

Radius = n
Diameter 143281962
Circumference 450133559.21113
Area 1.6124004881454E+16

Sphere

Radius = n
Volume 1.5401860364748E+24
Surface area 6.4496019525814E+16
Circumference 450133559.21113

Square

Length = n
Perimeter 286563924
Area 5132430158642361
Diagonal 101315646.95191

Cube

Length = n
Surface area 30794580951854166
Volume 3.6769233147912E+23
Space diagonal 124085818.99608

Equilateral Triangle

Length = n
Perimeter 214922943
Area 2.2224074502668E+15
Altitude 62042909.498038

Triangular Pyramid

Length = n
Surface area 2.2224074502668E+15
Volume 4.3332956829863E+22
Height 33771882.317304