64691890 (number)

64691890 is an even 8-digits composite number following 64691889 and preceding 64691891. In scientific notation, it is written as 6.4691890 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 25876752 positive integers (up to 64691890) that are relatively prime to 64691890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4691890 × 10^7
Engineering notation 6.4691890 × 10^6

Prime Factorization of 64691890

Prime Factorization 2 × 5 × 6469189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64691890
Product of the distinct prime numbers

The prime factorization of 64691890 is 2 × 5 × 6469189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64691890)

Multiplication

n×y
n×2 129383780
n×3 194075670
n×4 258767560
n×5 323459450

Division

n÷y
n÷2 32345945
n÷3 21563963.333333
n÷3 16172972.5
n÷5 12938378

Exponentiation

ny
n2 4185040631772100
n3 2.7073818819613E+23
n4 1.7514565089583E+31
n5 1.1330503181732E+39

Nth Root

y√n
2√n 8043.1268795164
3√n 401.436274119
4√n 89.683481642477
5√n 36.489672697945

Divisors of 64691890

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 -64691889
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 64691890 can be divided by 8 positive divisors. The sum of these divisors (counting 64691890) is 1, the average is 0.125.

Base conversion 64691890

Base System Value
2 Binary 11110110110001111010110010
3 Ternary 11111201200120221
4 Quaternary 3312301322302
5 Quinary 113030120030
6 Senary 10230323254
8 Octal 366617262
10 Decimal 64691890
12 Duodecimal 197b952a
16 Hexadecimal 3db1eb2
20 Vigesimal 10469ea
36 Base36 12ikky

Cryptographic Hash Functions

md5 e3b1e6d46daa44d3575dc3e9135c34fc
sha1 8a749aa9427d1c5f3c386507a03207b6bccad6fe
sha256 2a34e5800a0d452ed7e06f1cc982d4127dc9e5a3ceb732143708d37a4765f978
sha512 a016baecfb960fb09b2172dceba35e34fb6b8b52744eed4f1edde26b0da1b1b158aab060fe730dbde301efd35816e0acff840902f96bc618ab434232109ecfdd
ripemd-160 45e219625e4ea81588eb1fdebf8200c1a0188842

64691890 as geometric shapes

Circle

Radius = n
Diameter 129383780
Circumference 406471132.74168
Area 1.314769290375E+16

Sphere

Radius = n
Volume 1.1340654707776E+24
Surface area 5.2590771615E+16
Circumference 406471132.74168

Square

Length = n
Perimeter 258767560
Area 4185040631772100
Diagonal 91488148.213548

Cube

Length = n
Surface area 25110243790632600
Volume 2.7073818819613E+23
Space diagonal 112049640.31766

Equilateral Triangle

Length = n
Perimeter 194075670
Area 1.8121757514924E+15
Altitude 56024820.158828

Triangular Pyramid

Length = n
Surface area 1.8121757514924E+15
Volume 3.1906801466607E+22
Height 30496049.404516