64749891 (number)

64749891 is an odd 8-digits composite number following 64749890 and preceding 64749892. In scientific notation, it is written as 6.4749891 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 40894632 positive integers (up to 64749891) that are relatively prime to 64749891.

Interesting facts

Basic properties

Name

Name sixty-four million seven hundred forty-nine thousand eight hundred ninety-one

Notation

Scientific notation 6.4749891 × 10^7
Engineering notation 6.4749891 × 10^6

Prime Factorization of 64749891

Prime Factorization 3 × 19 × 1135963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64749891
Product of the distinct prime numbers

The prime factorization of 64749891 is 3 × 19 × 1135963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64749891)

Multiplication

n×y
n×2 129499782
n×3 194249673
n×4 258999564
n×5 323749455

Division

n÷y
n÷2 32374945.5
n÷3 21583297
n÷3 16187472.75
n÷5 12949978.2

Exponentiation

ny
n2 4192548384511881
n3 2.7146705090937E+23
n4 1.7577461956473E+31
n5 1.1381387457383E+39

Nth Root

y√n
2√n 8046.7316967822
3√n 401.55621058649
4√n 89.703576833827
5√n 36.496213483499

Divisors of 64749891

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64749890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64749891 can be divided by 8 positive divisors. The sum of these divisors (counting 64749891) is 1, the average is 0.125.

Base conversion 64749891

Base System Value
2 Binary 11110111000000000101000011
3 Ternary 11111211122011010
4 Quaternary 3313000011003
5 Quinary 113033444031
6 Senary 10231452003
8 Octal 367000503
10 Decimal 64749891
12 Duodecimal 19827003
16 Hexadecimal 3dc0143
20 Vigesimal 104deeb
36 Base36 12jtc3

Cryptographic Hash Functions

md5 f173927602fadf3cd7db5eb267ce69f8
sha1 f7b85214d1f09848464720414c3a5e799ffcc2dd
sha256 072ab87997cc3c255fecd8eec8979d21ece47edc89e4fad5a0a0d51e5bb21d03
sha512 ae33dcd733179fec457ec1bc17141447764fe604c948ff77414e68501a2356e015db53440baf23bf75f86d75624e54b9dc9c8cce5fbe0f0c6d1af413cc626a75
ripemd-160 ae892f705be3bcb7bd7a5ca244a2b0318f7933a9

64749891 as geometric shapes

Circle

Radius = n
Diameter 129499782
Circumference 406835563.77268
Area 1.3171279204602E+16

Sphere

Radius = n
Volume 1.1371185237714E+24
Surface area 5.2685116818409E+16
Circumference 406835563.77268

Square

Length = n
Perimeter 258999564
Area 4192548384511881
Diagonal 91570174.01438

Cube

Length = n
Surface area 25155290307071286
Volume 2.7146705090937E+23
Space diagonal 112150100.99655

Equilateral Triangle

Length = n
Perimeter 194249673
Area 1.8154267037913E+15
Altitude 56075050.498273

Triangular Pyramid

Length = n
Surface area 1.8154267037913E+15
Volume 3.1992698761122E+22
Height 30523391.338127