21551369 (number)

21551369 is an odd 8-digits composite number following 21551368 and preceding 21551370. In scientific notation, it is written as 2.1551369 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18472596 positive integers (up to 21551369) that are relatively prime to 21551369.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred sixty-nine

Notation

Scientific notation 2.1551369 × 10^7
Engineering notation 2.1551369 × 10^6

Prime Factorization of 21551369

Prime Factorization 7 × 3078767

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21551369
Product of the distinct prime numbers

The prime factorization of 21551369 is 7 × 3078767. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551369)

Multiplication

n×y
n×2 43102738
n×3 64654107
n×4 86205476
n×5 107756845

Division

n÷y
n÷2 10775684.5
n÷3 7183789.6666667
n÷3 5387842.25
n÷5 4310273.8

Exponentiation

ny
n2 464461505774161
n3 1.0009781297235E+22
n4 2.15724490346E+29
n5 4.6491580937836E+36

Nth Root

y√n
2√n 4642.345204743
3√n 278.28616823844
4√n 68.134757684628
5√n 29.288354504617

Divisors of 21551369

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 -21551368
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 21551369 can be divided by 4 positive divisors. The sum of these divisors (counting 21551369) is 1, the average is 0.25.

Base conversion 21551369

Base System Value
2 Binary 1010010001101100100001001
3 Ternary 1111112220220212
4 Quaternary 1102031210021
5 Quinary 21004120434
6 Senary 2045530505
8 Octal 122154411
10 Decimal 21551369
12 Duodecimal 7273a35
16 Hexadecimal 148d909
20 Vigesimal 6edi89
36 Base36 ctx55

Cryptographic Hash Functions

md5 562b89de58532cd272331049bfc87d60
sha1 71a91dd3ddae147acd4fe2da87cd244ceb2900ee
sha256 464b5838d3601572472550e88b3a14d8f3a5778c24b11420dec3b6fb34f76ecd
sha512 fc9b00583403308df8b90119724151d3f1a0f87f1ed7e68d7da209ee9e8c74330582d26c1a49202fcafc18a00290ce686d68bda3a55fbf29a3bd428038fd96c1
ripemd-160 9034ff02a8d30087edaa38ebf0bc78396a6d4ff4

21551369 as geometric shapes

Circle

Radius = n
Diameter 43102738
Circumference 135411245.05041
Area 1.4591488544154E+15

Sphere

Radius = n
Volume 4.192887384991E+22
Surface area 5.8365954176614E+15
Circumference 135411245.05041

Square

Length = n
Perimeter 86205476
Area 464461505774161
Diagonal 30478238.327507

Cube

Length = n
Surface area 2786769034644966
Volume 1.0009781297235E+22
Space diagonal 37328066.080665

Equilateral Triangle

Length = n
Perimeter 64654107
Area 2.011177315402E+14
Altitude 18664033.040332

Triangular Pyramid

Length = n
Surface area 2.011177315402E+14
Volume 1.1796640389115E+21
Height 10159412.775836