21452945 (number)

21452945 is an odd 8-digits composite number following 21452944 and preceding 21452946. In scientific notation, it is written as 2.1452945 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17100160 positive integers (up to 21452945) that are relatively prime to 21452945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1452945 × 10^7
Engineering notation 2.1452945 × 10^6

Prime Factorization of 21452945

Prime Factorization 5 × 281 × 15269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21452945
Product of the distinct prime numbers

The prime factorization of 21452945 is 5 × 281 × 15269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 73, 69, 811, 639, 5769, 6139, 94945, 68231, 751466, 301192, 4386540, 763145, 37924005, 18466373, 187392238, 520231598, 1591086667, 8897311877

Basic calculations (n = 21452945)

Multiplication

n×y
n×2 42905890
n×3 64358835
n×4 85811780
n×5 107264725

Division

n÷y
n÷2 10726472.5
n÷3 7150981.6666667
n÷3 5363236.25
n÷5 4290589

Exponentiation

ny
n2 460228849173025
n3 9.8732641887222E+21
n4 2.1181059361113E+29
n5 4.5439610151569E+36

Nth Root

y√n
2√n 4631.7323972786
3√n 277.86188211787
4√n 68.056832113158
5√n 29.261553817429

Divisors of 21452945

1, 5, 281, 1405, 15269, 76345, 4290589, 21452945

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 -21452944
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 21452945 can be divided by 8 positive divisors. The sum of these divisors (counting 21452945) is 1, the average is 0.125.

Base conversion 21452945

Base System Value
2 Binary 1010001110101100010010001
3 Ternary 1111100220220112
4 Quaternary 1101311202101
5 Quinary 20442443240
6 Senary 2043451105
8 Octal 121654221
10 Decimal 21452945
12 Duodecimal 7226a95
16 Hexadecimal 1475891
20 Vigesimal 6e1c75
36 Base36 crt75

Cryptographic Hash Functions

md5 2b74566645309fe1f3c4c288c0e25303
sha1 b6aeb198e55ff269d58cbbca1743e867e2c407e1
sha256 d30b2ec0ca8e0ce6d123dfe5e4039e5eab5c78fbe5367f58e6b0970debc182ba
sha512 c8a37114a26dea5b245b10c56326a538a82790b31f96d2bbe06e91765ad7ab72ca002aa1db8b7d771ba4052ae13a19d7823b62847be8bd2be23f789b2e7e5a09
ripemd-160 9fc4123d0a255b8d39b274ffbaf34c06f5c37772

21452945 as geometric shapes

Circle

Radius = n
Diameter 42905890
Circumference 134792828.81973
Area 1.4458515715321E+15

Sphere

Radius = n
Volume 4.1357032322988E+22
Surface area 5.7834062861282E+15
Circumference 134792828.81973

Square

Length = n
Perimeter 85811780
Area 460228849173025
Diagonal 30339045.771844

Cube

Length = n
Surface area 2761373095038150
Volume 9.8732641887222E+21
Space diagonal 37157590.711981

Equilateral Triangle

Length = n
Perimeter 64358835
Area 1.9928493746916E+14
Altitude 18578795.35599

Triangular Pyramid

Length = n
Surface area 1.9928493746916E+14
Volume 1.163575343382E+21
Height 10113015.257281