21451572 (number)

21451572 is an even 8-digits composite number following 21451571 and preceding 21451573. In scientific notation, it is written as 2.1451572 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 7150512 positive integers (up to 21451572) that are relatively prime to 21451572.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred fifty-one thousand five hundred seventy-two

Notation

Scientific notation 2.1451572 × 10^7
Engineering notation 2.1451572 × 10^6

Prime Factorization of 21451572

Prime Factorization 2 × 2 × 9 × 595877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10725786
Product of the distinct prime numbers

The prime factorization of 21451572 is 2 × 2 × 9 × 595877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21451572)

Multiplication

n×y
n×2 42903144
n×3 64354716
n×4 85806288
n×5 107257860

Division

n÷y
n÷2 10725786
n÷3 7150524
n÷3 5362893
n÷5 4290314.4

Exponentiation

ny
n2 460169941271184
n3 9.8713686274146E+21
n4 2.1175637484952E+29
n5 4.5425071215436E+36

Nth Root

y√n
2√n 4631.5841782267
3√n 277.85595422152
4√n 68.055743168573
5√n 29.261179256809

Divisors of 21451572

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21451571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21451572 can be divided by 12 positive divisors. The sum of these divisors (counting 21451572) is 1, the average is 0.083333333333333.

Base conversion 21451572

Base System Value
2 Binary 1010001110101001100110100
3 Ternary 1111100212000200
4 Quaternary 1101311030310
5 Quinary 20442422242
6 Senary 2043440500
8 Octal 121651464
10 Decimal 21451572
12 Duodecimal 7226130
16 Hexadecimal 1475334
20 Vigesimal 6e18ic
36 Base36 crs50

Cryptographic Hash Functions

md5 e6f1ad058f3155a05f8183cba96dd014
sha1 970beed1204f7bc2dfeb6760212c5e48ba4e4c4e
sha256 f29face5cb4c0ae58c9d2f6443ff574dcc19340b12f39eefa9be71523ff9908d
sha512 f615279d484deadc80a6eab53d026d336c8c8fdff41a706954972eabd877f6e0a100211f8f15bc221e2c89bcad09dabfe6f69545fa8b8387d3f2a68b7a2b1a7d
ripemd-160 9ec9e643f4369ebb1861f3e88c5aaec8e9f8b698

21451572 as geometric shapes

Circle

Radius = n
Diameter 42903144
Circumference 134784202.00631
Area 1.4456665069004E+15

Sphere

Radius = n
Volume 4.134909221435E+22
Surface area 5.7826660276016E+15
Circumference 134784202.00631

Square

Length = n
Perimeter 85806288
Area 460169941271184
Diagonal 30337104.056623

Cube

Length = n
Surface area 2761019647627104
Volume 9.8713686274146E+21
Space diagonal 37155212.606222

Equilateral Triangle

Length = n
Perimeter 64354716
Area 1.9925942959942E+14
Altitude 18577606.303111

Triangular Pyramid

Length = n
Surface area 1.9925942959942E+14
Volume 1.1633519493395E+21
Height 10112368.018874