21000279 (number)

21000279 is an odd 8-digits composite number following 21000278 and preceding 21000280. In scientific notation, it is written as 2.1000279 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13791096 positive integers (up to 21000279) that are relatively prime to 21000279.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine

Notation

Scientific notation 2.1000279 × 10^7
Engineering notation 2.1000279 × 10^6

Prime Factorization of 21000279

Prime Factorization 3 × 67 × 104479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21000279
Product of the distinct prime numbers

The prime factorization of 21000279 is 3 × 67 × 104479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000279)

Multiplication

n×y
n×2 42000558
n×3 63000837
n×4 84001116
n×5 105001395

Division

n÷y
n÷2 10500139.5
n÷3 7000093
n÷3 5250069.75
n÷5 4200055.8

Exponentiation

ny
n2 441011718077841
n3 9.261369121904E+21
n4 1.9449133548197E+29
n5 4.084372308204E+36

Nth Root

y√n
2√n 4582.6061362504
3√n 275.89363944198
4√n 67.694949119195
5√n 29.137012006348

Divisors of 21000279

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 -21000278
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 21000279 can be divided by 8 positive divisors. The sum of these divisors (counting 21000279) is 1, the average is 0.125.

Base conversion 21000279

Base System Value
2 Binary 1010000000111000001010111
3 Ternary 1110111220222010
4 Quaternary 1100013001113
5 Quinary 20334002104
6 Senary 2030035303
8 Octal 120070127
10 Decimal 21000279
12 Duodecimal 7048b33
16 Hexadecimal 1407057
20 Vigesimal 6b50dj
36 Base36 ci3x3

Cryptographic Hash Functions

md5 034205a2264ac0316bd2929389d1e6a2
sha1 c6ae816cc2f753e0443ab54b91be13d280da6e1d
sha256 6ade915d4643b6c17aa877e196df2e1effe6ba82d0022aa506334da098c45c94
sha512 6a303feff6ce32a20b6891c82d1f45ace64d70046cec5c2320e5e5ded4b638665fd8b631372479d0647142005b28d2d178596d94d0bb7246ba7c1d274fe8ba66
ripemd-160 d08caef8e94acfb1eb1b40b4047d530d92f8176c

21000279 as geometric shapes

Circle

Radius = n
Diameter 42000558
Circumference 131948644.45947
Area 1.3854791736604E+15

Sphere

Radius = n
Volume 3.8793932260743E+22
Surface area 5.5419166946414E+15
Circumference 131948644.45947

Square

Length = n
Perimeter 84001116
Area 441011718077841
Diagonal 29698879.375419

Cube

Length = n
Surface area 2646070308467046
Volume 9.261369121904E+21
Space diagonal 36373550.201122

Equilateral Triangle

Length = n
Perimeter 63000837
Area 1.9096367561102E+14
Altitude 18186775.100561

Triangular Pyramid

Length = n
Surface area 1.9096367561102E+14
Volume 1.091462818195E+21
Height 9899626.458473