64691491 (number)

64691491 is an odd 8-digits composite number following 64691490 and preceding 64691492. In scientific notation, it is written as 6.4691491 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 64675072 positive integers (up to 64691491) that are relatively prime to 64691491.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred ninety-one thousand four hundred ninety-one

Notation

Scientific notation 6.4691491 × 10^7
Engineering notation 6.4691491 × 10^6

Prime Factorization of 64691491

Prime Factorization 9857 × 6563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64691491
Product of the distinct prime numbers

The prime factorization of 64691491 is 9857 × 6563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 50, 91, 737, 646, 3429, 7397, 98323, 71100, 849073, 925506, 5395961, 2811250, 43109711, 16319016, 554134963, 969034307, 2479815169, 8150298089

Basic calculations (n = 64691491)

Multiplication

n×y
n×2 129382982
n×3 194074473
n×4 258765964
n×5 323457455

Division

n÷y
n÷2 32345745.5
n÷3 21563830.333333
n÷3 16172872.75
n÷5 12938298.2

Exponentiation

ny
n2 4184989007803081
n3 2.7073317873339E+23
n4 1.7514132995433E+31
n5 1.1330153770468E+39

Nth Root

y√n
2√n 8043.1020756919
3√n 401.43544880482
4√n 89.683343357013
5√n 36.489627686382

Divisors of 64691491

1, 6563, 9857, 64691491

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64691490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64691491 can be divided by 4 positive divisors. The sum of these divisors (counting 64691491) is 1, the average is 0.25.

Base conversion 64691491

Base System Value
2 Binary 11110110110001110100100011
3 Ternary 11111201200001011
4 Quaternary 3312301310203
5 Quinary 113030111431
6 Senary 10230321351
8 Octal 366616443
10 Decimal 64691491
12 Duodecimal 197b9257
16 Hexadecimal 3db1d23
20 Vigesimal 10468eb
36 Base36 12ik9v

Cryptographic Hash Functions

md5 c1099d1b725df8cb2d6508df7fea112c
sha1 72812329efdbc30e0e7ecaadddad5b8f4e10f30c
sha256 edb5520838584a53c4b2f9d3962b1095e39760fc08193ae038fd75dc79971f95
sha512 c261c00a22558502dd4aa5c140eb397df238476b3427eb638217245cce4c32fe1bc204ce1dec62512febeacb99176db9e9820686996bde08192c14a27d1715db
ripemd-160 529846e3788fb380257dedd4093fc097e1c21e60

64691491 as geometric shapes

Circle

Radius = n
Diameter 129382982
Circumference 406468625.75074
Area 1.3147530722268E+16

Sphere

Radius = n
Volume 1.1340444871891E+24
Surface area 5.2590122889073E+16
Circumference 406468625.75074

Square

Length = n
Perimeter 258765964
Area 4184989007803081
Diagonal 91487583.942337

Cube

Length = n
Surface area 25109934046818486
Volume 2.7073317873339E+23
Space diagonal 112048949.22938

Equilateral Triangle

Length = n
Perimeter 194074473
Area 1.8121533976581E+15
Altitude 56024474.614692

Triangular Pyramid

Length = n
Surface area 1.8121533976581E+15
Volume 3.1906211095762E+22
Height 30495861.314112