21343985 (number)

21343985 is an odd 8-digits composite number following 21343984 and preceding 21343986. In scientific notation, it is written as 2.1343985 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 15375360 positive integers (up to 21343985) that are relatively prime to 21343985.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-three thousand nine hundred eighty-five

Notation

Scientific notation 2.1343985 × 10^7
Engineering notation 2.1343985 × 10^6

Prime Factorization of 21343985

Prime Factorization 5 × 13 × 41 × 8009

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21343985
Product of the distinct prime numbers

The prime factorization of 21343985 is 5 × 13 × 41 × 8009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 37, 26, 517, 279, 1445, 706, 50626, 86025, 467457, 513490, 9878880, 2978570, 54505494, 74232806, 335482658, 122890995, 7526381862, 9951191934

Basic calculations (n = 21343985)

Multiplication

n×y
n×2 42687970
n×3 64031955
n×4 85375940
n×5 106719925

Division

n÷y
n÷2 10671992.5
n÷3 7114661.6666667
n÷3 5335996.25
n÷5 4268797

Exponentiation

ny
n2 455565695680225
n3 9.7235873751133E+21
n4 2.0754010308061E+29
n5 4.4297328470509E+36

Nth Root

y√n
2√n 4619.9550863618
3√n 277.39066114236
4√n 67.97025148079
5√n 29.231769224475

Divisors of 21343985

1, 5, 13, 41, 65, 205, 533, 2665, 8009, 40045, 104117, 328369, 520585, 1641845, 4268797, 21343985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21343984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21343985 can be divided by 16 positive divisors. The sum of these divisors (counting 21343985) is 1, the average is 0.0625.

Base conversion 21343985

Base System Value
2 Binary 1010001011010111011110001
3 Ternary 1111011101102222
4 Quaternary 1101122323301
5 Quinary 20431001420
6 Senary 2041250425
8 Octal 121327361
10 Decimal 21343985
12 Duodecimal 7193a15
16 Hexadecimal 145aef1
20 Vigesimal 6d7jj5
36 Base36 cph4h

Cryptographic Hash Functions

md5 f20974cf8010edc07694894fdc64f90d
sha1 e3a94a45faf12325038889cca7ee5402061f2d75
sha256 8edef13b47fbdc41576c3854100abb72eb5dc3543c1fbd400d8b361eac48217c
sha512 ef956c8db8a0f39532ff466739f18b7a2b8d43983347d10fd21c1a82f0022fce588e4d7ed85c97e353ef4d20bdbab3ff07020f18b240d90c2140718c7636908a
ripemd-160 a9a62676acbc455cab26faadac501fbf125abe68

21343985 as geometric shapes

Circle

Radius = n
Diameter 42687970
Circumference 134108212.94866
Area 1.4312018427765E+15

Sphere

Radius = n
Volume 4.0730067552259E+22
Surface area 5.7248073711061E+15
Circumference 134108212.94866

Square

Length = n
Perimeter 85375940
Area 455565695680225
Diagonal 30184953.062088

Cube

Length = n
Surface area 2733394174081350
Volume 9.7235873751133E+21
Space diagonal 36968866.455988

Equilateral Triangle

Length = n
Perimeter 64031955
Area 1.972657327759E+14
Altitude 18484433.227994

Triangular Pyramid

Length = n
Surface area 1.972657327759E+14
Volume 1.1459357617338E+21
Height 10061651.020696