21492972 (number)

21492972 is an even 8-digits composite number following 21492971 and preceding 21492973. In scientific notation, it is written as 2.1492972 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7103376 positive integers (up to 21492972) that are relatively prime to 21492972.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred seventy-two

Notation

Scientific notation 2.1492972 × 10^7
Engineering notation 2.1492972 × 10^6

Prime Factorization of 21492972

Prime Factorization 2 × 2 × 27 × 127 × 1567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746486
Product of the distinct prime numbers

The prime factorization of 21492972 is 2 × 2 × 27 × 127 × 1567. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 33, 13, 46, 705, 5718, 3458, 86056, 91251, 813957, 541814, 5193740, 6084759, 17166437, 33363393, 609602180, 737095282, 5546087990, 3910807754

Basic calculations (n = 21492972)

Multiplication

n×y
n×2 42985944
n×3 64478916
n×4 85971888
n×5 107464860

Division

n÷y
n÷2 10746486
n÷3 7164324
n÷3 5373243
n÷5 4298594.4

Exponentiation

ny
n2 461947845392784
n3 9.9286321064874E+21
n4 2.1339581186304E+29
n5 4.5865102092895E+36

Nth Root

y√n
2√n 4636.0513370756
3√n 278.034586729
4√n 68.088555110793
5√n 29.272464944651

Divisors of 21492972

1, 2, 4, 27, 54, 108, 127, 254, 508, 1567, 3134, 3429, 6268, 6858, 13716, 42309, 84618, 169236, 199009, 398018, 796036, 5373243, 10746486, 21492972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492972 can be divided by 24 positive divisors. The sum of these divisors (counting 21492972) is 1, the average is 0.041666666666667.

Base conversion 21492972

Base System Value
2 Binary 1010001111111010011101100
3 Ternary 1111102221211000
4 Quaternary 1101333103230
5 Quinary 21000233342
6 Senary 2044400300
8 Octal 121772354
10 Decimal 21492972
12 Duodecimal 7246090
16 Hexadecimal 147f4ec
20 Vigesimal 6e6c8c
36 Base36 cso30

Cryptographic Hash Functions

md5 38d479dafb759077f5194376b97a0f39
sha1 1f6dce68508691d297355f568064788e243a0a59
sha256 71eaca3387d17a20169fd8ca2c332b82c0be3eabef1a27240c4861f6b3728e7c
sha512 0413d5e3a8d8763498261d0143efb4870a12353eb38029b1cc3d43ec5a54005e7f527f0b80eaa085a2282589d5004e321bf4f17aaf4aab39dcb02458886f4a8f
ripemd-160 a41e62f6025b9e5af7413d992c230e716ad3e230

21492972 as geometric shapes

Circle

Radius = n
Diameter 42985944
Circumference 135044325.87802
Area 1.4512519574276E+15

Sphere

Radius = n
Volume 4.1588956914582E+22
Surface area 5.8050078297104E+15
Circumference 135044325.87802

Square

Length = n
Perimeter 85971888
Area 461947845392784
Diagonal 30395652.498105

Cube

Length = n
Surface area 2771687072356704
Volume 9.9286321064874E+21
Space diagonal 37226919.509655

Equilateral Triangle

Length = n
Perimeter 64478916
Area 2.0002928466682E+14
Altitude 18613459.754828

Triangular Pyramid

Length = n
Surface area 2.0002928466682E+14
Volume 1.1701005150673E+21
Height 10131884.166035