21000769 (number)

21000769 is an odd 8-digits composite number following 21000768 and preceding 21000770. In scientific notation, it is written as 2.1000769 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20944980 positive integers (up to 21000769) that are relatively prime to 21000769.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred sixty-nine

Notation

Scientific notation 2.1000769 × 10^7
Engineering notation 2.1000769 × 10^6

Prime Factorization of 21000769

Prime Factorization 379 × 55411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000769
Product of the distinct prime numbers

The prime factorization of 21000769 is 379 × 55411. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000769)

Multiplication

n×y
n×2 42001538
n×3 63002307
n×4 84003076
n×5 105003845

Division

n÷y
n÷2 10500384.5
n÷3 7000256.3333333
n÷3 5250192.25
n÷5 4200153.8

Exponentiation

ny
n2 441032298591361
n3 9.2620174242562E+21
n4 1.9450948840078E+29
n5 4.0848488342129E+36

Nth Root

y√n
2√n 4582.6595989665
3√n 275.8957852362
4√n 67.695343997697
5√n 29.137147975995

Divisors of 21000769

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 -21000768
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 21000769 can be divided by 4 positive divisors. The sum of these divisors (counting 21000769) is 1, the average is 0.25.

Base conversion 21000769

Base System Value
2 Binary 1010000000111001001000001
3 Ternary 1110111221122021
4 Quaternary 1100013021001
5 Quinary 20334011034
6 Senary 2030041441
8 Octal 120071101
10 Decimal 21000769
12 Duodecimal 7049281
16 Hexadecimal 1407241
20 Vigesimal 6b51i9
36 Base36 ci4ap

Cryptographic Hash Functions

md5 25efdfda5f77170eea68f2a0f5c805a4
sha1 881d8e8a78d6a201280b1c3a5f3ea1e6e943dd22
sha256 23e657fbc5fc608ea7143a6b3339c6be01926e3321a8324f7faf99ef3bcdf046
sha512 6ac193fba5a7f98208b5ae46b3c346d61bf3dfec3f1a464bbd7e842831a07f441beaab0df9bc1330cdcde0359f40d0637aa6f6b6e745122b1e05951e9ff20cbd
ripemd-160 d07cd98b1333465f7a83331baf89865c58e339e4

21000769 as geometric shapes

Circle

Radius = n
Diameter 42001538
Circumference 131951723.22027
Area 1.3855438292504E+15

Sphere

Radius = n
Volume 3.8796647863285E+22
Surface area 5.5421753170018E+15
Circumference 131951723.22027

Square

Length = n
Perimeter 84003076
Area 441032298591361
Diagonal 29699572.340064

Cube

Length = n
Surface area 2646193791548166
Volume 9.2620174242562E+21
Space diagonal 36374398.906017

Equilateral Triangle

Length = n
Perimeter 63002307
Area 1.9097258723478E+14
Altitude 18187199.453009

Triangular Pyramid

Length = n
Surface area 1.9097258723478E+14
Volume 1.0915392213599E+21
Height 9899857.4466882