64991009 (number)

64991009 is an odd 8-digits composite number following 64991008 and preceding 64991010. In scientific notation, it is written as 6.4991009 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 64168260 positive integers (up to 64991009) that are relatively prime to 64991009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4991009 × 10^7
Engineering notation 6.4991009 × 10^6

Prime Factorization of 64991009

Prime Factorization 79 × 822671

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64991009
Product of the distinct prime numbers

The prime factorization of 64991009 is 79 × 822671. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64991009)

Multiplication

n×y
n×2 129982018
n×3 194973027
n×4 259964036
n×5 324955045

Division

n÷y
n÷2 32495504.5
n÷3 21663669.666667
n÷3 16247752.25
n÷5 12998201.8

Exponentiation

ny
n2 4223831250838081
n3 2.745110548377E+23
n4 1.7840750435556E+31
n5 1.159488372124E+39

Nth Root

y√n
2√n 8061.7001308657
3√n 402.05403636545
4√n 89.786970830214
5√n 36.523354271944

Divisors of 64991009

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 -64991008
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 64991009 can be divided by 4 positive divisors. The sum of these divisors (counting 64991009) is 1, the average is 0.25.

Base conversion 64991009

Base System Value
2 Binary 11110111111010111100100001
3 Ternary 11112021212220102
4 Quaternary 3313322330201
5 Quinary 113114203014
6 Senary 10240552145
8 Octal 367727441
10 Decimal 64991009
12 Duodecimal 19922655
16 Hexadecimal 3dfaf21
20 Vigesimal 1063ha9
36 Base36 12ozdt

Cryptographic Hash Functions

md5 b8c50840851b6383c38bf1533610695f
sha1 ad6fff3166a7a69d3f2cc8d8180011495fe8b00e
sha256 d1650c5c2592f975ea723e29e5ed947ca0c40012ac31282312cc71e6fee24ce0
sha512 769cc08f466697dfcc5dcbe43d3de63ac14360ca0c97a2291c5096b87bae6e603a91ee03f0c425f8ce9c1d64e5be166c37de10b28054e85cd9f200a0eba10d56
ripemd-160 b3b5631b35e09ff17498382ff0de1497580b64ae

64991009 as geometric shapes

Circle

Radius = n
Diameter 129982018
Circumference 408350552.84758
Area 1.3269557227636E+16

Sphere

Radius = n
Volume 1.1498692176097E+24
Surface area 5.3078228910544E+16
Circumference 408350552.84758

Square

Length = n
Perimeter 259964036
Area 4223831250838081
Diagonal 91911166.360112

Cube

Length = n
Surface area 25342987505028486
Volume 2.745110548377E+23
Space diagonal 112567729.62317

Equilateral Triangle

Length = n
Perimeter 194973027
Area 1.8289725822622E+15
Altitude 56283864.811583

Triangular Pyramid

Length = n
Surface area 1.8289725822622E+15
Volume 3.2351438064402E+22
Height 30637055.453371