21402045 (number)

21402045 is an odd 8-digits composite number following 21402044 and preceding 21402046. In scientific notation, it is written as 2.1402045 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 9783648 positive integers (up to 21402045) that are relatively prime to 21402045.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred two thousand forty-five

Notation

Scientific notation 2.1402045 × 10^7
Engineering notation 2.1402045 × 10^6

Prime Factorization of 21402045

Prime Factorization 9 × 5 × 7 × 67943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21402045
Product of the distinct prime numbers

The prime factorization of 21402045 is 9 × 5 × 7 × 67943. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21402045)

Multiplication

n×y
n×2 42804090
n×3 64206135
n×4 85608180
n×5 107010225

Division

n÷y
n÷2 10701022.5
n÷3 7134015
n÷3 5350511.25
n÷5 4280409

Exponentiation

ny
n2 458047530182025
n3 9.8031538530946E+21
n4 2.0980753990585E+29
n5 4.4903104104044E+36

Nth Root

y√n
2√n 4626.2344298576
3√n 277.64195318205
4√n 68.016427646986
5√n 29.247655225528

Divisors of 21402045

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 -21402044
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 21402045 can be divided by 16 positive divisors. The sum of these divisors (counting 21402045) is 1, the average is 0.0625.

Base conversion 21402045

Base System Value
2 Binary 1010001101001000110111101
3 Ternary 1111021100002100
4 Quaternary 1101221012331
5 Quinary 20434331140
6 Senary 2042415313
8 Octal 121510675
10 Decimal 21402045
12 Duodecimal 7201539
16 Hexadecimal 14691bd
20 Vigesimal 6df525
36 Base36 cqpx9

Cryptographic Hash Functions

md5 2924e7d13c477df54af74c33046eb6e7
sha1 73e08922cf591f073031e2de6e2e1efadcd6a848
sha256 4e1bd8f76650d5ffd9c1158030cbf347e95b8f06388d31078c749932068b86c9
sha512 9ae3051525d7c221e4cbb7f0626b98247c29fbbeab9f41de46adc220349d3e47191395ea028fdd2fa96749d43f494d5acc848a8e203a84f3fd662ad88d6f36ec
ripemd-160 20b34bcb7687d68ddec4921244609298b2e5ecf4

21402045 as geometric shapes

Circle

Radius = n
Diameter 42804090
Circumference 134473014.6876
Area 1.4389987558148E+15

Sphere

Radius = n
Volume 4.1063354835856E+22
Surface area 5.7559950232592E+15
Circumference 134473014.6876

Square

Length = n
Perimeter 85608180
Area 458047530182025
Diagonal 30267062.301519

Cube

Length = n
Surface area 2748285181092150
Volume 9.8031538530946E+21
Space diagonal 37069429.325875

Equilateral Triangle

Length = n
Perimeter 64206135
Area 1.9834039863918E+14
Altitude 18534714.662938

Triangular Pyramid

Length = n
Surface area 1.9834039863918E+14
Volume 1.1553127610897E+21
Height 10089020.767173