64788891 (number)

64788891 is an odd 8-digits composite number following 64788890 and preceding 64788892. In scientific notation, it is written as 6.4788891 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 43192592 positive integers (up to 64788891) that are relatively prime to 64788891.

Interesting facts

Basic properties

Name

Name sixty-four million seven hundred eighty-eight thousand eight hundred ninety-one

Notation

Scientific notation 6.4788891 × 10^7
Engineering notation 6.4788891 × 10^6

Prime Factorization of 64788891

Prime Factorization 3 × 21596297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64788891
Product of the distinct prime numbers

The prime factorization of 64788891 is 3 × 21596297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 51, 31, 366, 986, 6639, 1127, 41418, 24124, 695086, 88425, 9086302, 2228606, 24213517, 6029367, 119502949, 708545308, 8275398703, 4715437730

Basic calculations (n = 64788891)

Multiplication

n×y
n×2 129577782
n×3 194366673
n×4 259155564
n×5 323944455

Division

n÷y
n÷2 32394445.5
n÷3 21596297
n÷3 16197222.75
n÷5 12957778.2

Exponentiation

ny
n2 4197600397009881
n3 2.7195787458343E+23
n4 1.7619849092978E+31
n5 1.1415704823214E+39

Nth Root

y√n
2√n 8049.1546761135
3√n 401.63681586518
4√n 89.717081295111
5√n 36.500608887117

Divisors of 64788891

1, 3, 21596297, 64788891

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 -64788890
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 64788891 can be divided by 4 positive divisors. The sum of these divisors (counting 64788891) is 1, the average is 0.25.

Base conversion 64788891

Base System Value
2 Binary 11110111001001100110011011
3 Ternary 11111220121122120
4 Quaternary 3313021212123
5 Quinary 113041221031
6 Senary 10232352323
8 Octal 367114633
10 Decimal 64788891
12 Duodecimal 198456a3
16 Hexadecimal 3dc999b
20 Vigesimal 104ic4b
36 Base36 12knff

Cryptographic Hash Functions

md5 a97ad7d6274c51d980d30fe1a0da1ad7
sha1 6c007a454cfb3fbf5ffe6ed24e006e86a3f52078
sha256 21c5ca8a972c365f15dce2f21d23875a7d84c3ee946d80c962eb439859ca0912
sha512 f306d7a7a13f2d09c18fbe07fe86cadde4d794292159d6dcc805762f08d2d19a68654f7f021b17c0c6da826f0ff5f76f5e0022ea6bbb0f04da0483041f9ce21b
ripemd-160 a46be26149ae36a1ece51b24add3ad1eb592b739

64788891 as geometric shapes

Circle

Radius = n
Diameter 129577782
Circumference 407080607.99966
Area 1.3187150569952E+16

Sphere

Radius = n
Volume 1.1391744811696E+24
Surface area 5.2748602279807E+16
Circumference 407080607.99966

Square

Length = n
Perimeter 259155564
Area 4197600397009881
Diagonal 91625328.343312

Cube

Length = n
Surface area 25185602382059286
Volume 2.7195787458343E+23
Space diagonal 112217650.97804

Equilateral Triangle

Length = n
Perimeter 194366673
Area 1.8176142893731E+15
Altitude 56108825.489021

Triangular Pyramid

Length = n
Surface area 1.8176142893731E+15
Volume 3.2050542885837E+22
Height 30541776.114437