64993821 (number)

64993821 is an odd 8-digits composite number following 64993820 and preceding 64993822. In scientific notation, it is written as 6.4993821 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 43329212 positive integers (up to 64993821) that are relatively prime to 64993821.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred ninety-three thousand eight hundred twenty-one

Notation

Scientific notation 6.4993821 × 10^7
Engineering notation 6.4993821 × 10^6

Prime Factorization of 64993821

Prime Factorization 3 × 21664607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64993821
Product of the distinct prime numbers

The prime factorization of 64993821 is 3 × 21664607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 10, 40, 48, 912, 242, 8455, 1298, 56921, 77273, 402486, 890959, 1152111, 9599946, 52231915, 85540606, 347640717, 409022147, 8105381228, 8729284368

Basic calculations (n = 64993821)

Multiplication

n×y
n×2 129987642
n×3 194981463
n×4 259975284
n×5 324969105

Division

n÷y
n÷2 32496910.5
n÷3 21664607
n÷3 16248455.25
n÷5 12998764.2

Exponentiation

ny
n2 4224196768180041
n3 2.7454668861987E+23
n4 1.7843838336303E+31
n5 1.1597392347826E+39

Nth Root

y√n
2√n 8061.8745338786
3√n 402.05983490929
4√n 89.787942029421
5√n 36.523670321491

Divisors of 64993821

1, 3, 21664607, 64993821

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 -64993820
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 64993821 can be divided by 4 positive divisors. The sum of these divisors (counting 64993821) is 1, the average is 0.25.

Base conversion 64993821

Base System Value
2 Binary 11110111111011101000011101
3 Ternary 11112022000202120
4 Quaternary 3313323220131
5 Quinary 113114300241
6 Senary 10241013153
8 Octal 367735035
10 Decimal 64993821
12 Duodecimal 199241b9
16 Hexadecimal 3dfba1d
20 Vigesimal 10644b1
36 Base36 12p1jx

Cryptographic Hash Functions

md5 f5af0828cb8f364ee6235e5ee56b750c
sha1 ef54741502969e50591006053da1bccf4da10352
sha256 42e4fa4659c8151349578115b4557f213ee511e4c06d8b641d2cee9680e3ff6f
sha512 3940fcfcea690b10cc7a09735196b632c7116ea30c0c980d9b237eec284c8a8231c9448f72f156e3f92bb21bcf4a4a3d592e93043ee2aab6033be0852b8eb0bb
ripemd-160 8e259a078f9eb345c8fe90657cb6436b8f1e5a8b

64993821 as geometric shapes

Circle

Radius = n
Diameter 129987642
Circumference 408368221.16466
Area 1.3270705534232E+16

Sphere

Radius = n
Volume 1.1500184800475E+24
Surface area 5.3082822136929E+16
Circumference 408368221.16466

Square

Length = n
Perimeter 259975284
Area 4224196768180041
Diagonal 91915143.128649

Cube

Length = n
Surface area 25345180609080246
Volume 2.7454668861987E+23
Space diagonal 112572600.15004

Equilateral Triangle

Length = n
Perimeter 194981463
Area 1.829130855914E+15
Altitude 56286300.075019

Triangular Pyramid

Length = n
Surface area 1.829130855914E+15
Volume 3.2355637545904E+22
Height 30638381.042883