21497870 (number)

21497870 is an even 8-digits composite number following 21497869 and preceding 21497871. In scientific notation, it is written as 2.1497870 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 32 positive divisors. There are 8157600 positive integers (up to 21497870) that are relatively prime to 21497870.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred seventy

Notation

Scientific notation 2.1497870 × 10^7
Engineering notation 2.1497870 × 10^6

Prime Factorization of 21497870

Prime Factorization 2 × 5 × 23 × 151 × 619

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21497870
Product of the distinct prime numbers

The prime factorization of 21497870 is 2 × 5 × 23 × 151 × 619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 18, 69, 905, 85, 5221, 4192, 90223, 65625, 766907, 7848, 8018781, 3397874, 87633183, 16928363, 978304914, 449546783, 662757508, 9303513795

Basic calculations (n = 21497870)

Multiplication

n×y
n×2 42995740
n×3 64493610
n×4 85991480
n×5 107489350

Division

n÷y
n÷2 10748935
n÷3 7165956.6666667
n÷3 5374467.5
n÷5 4299574

Exponentiation

ny
n2 462158414536900
n3 9.9354215151204E+21
n4 2.1359040012726E+29
n5 4.5917386551838E+36

Nth Root

y√n
2√n 4636.579558252
3√n 278.05570541487
4√n 68.092433928095
5√n 29.273798994364

Divisors of 21497870

1, 2, 5, 10, 23, 46, 115, 151, 230, 302, 619, 755, 1238, 1510, 3095, 3473, 6190, 6946, 14237, 17365, 28474, 34730, 71185, 93469, 142370, 186938, 467345, 934690, 2149787, 4299574, 10748935, 21497870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497870 can be divided by 32 positive divisors. The sum of these divisors (counting 21497870) is 1, the average is 0.03125.

Base conversion 21497870

Base System Value
2 Binary 1010010000000100000001110
3 Ternary 1111110012112102
4 Quaternary 1102000200032
5 Quinary 21000412440
6 Senary 2044435102
8 Octal 122004016
10 Decimal 21497870
12 Duodecimal 7248a92
16 Hexadecimal 148080e
20 Vigesimal 6e74da
36 Base36 csrv2

Cryptographic Hash Functions

md5 f14c8f5063e6323c314a9096ba445270
sha1 739ce39bf8659af88c82ee64ce7e9e0afabe9bce
sha256 332fc8fef4a84cee4b2a8a190f0cc03c79438da88837cc316189cf0c95b78ccb
sha512 8384c8e2bb3beed211156009bdde38d3c4a84f77bb20bb21e4e89e27405450cbed5136a7182e003556d208e5299b4380d93867dd2887fd774da73a76a48da40d
ripemd-160 eb5e65fdc06c959f696cabaa5197be2718e15970

21497870 as geometric shapes

Circle

Radius = n
Diameter 42995740
Circumference 135075100.91966
Area 1.4519134799038E+15

Sphere

Radius = n
Volume 4.161739632296E+22
Surface area 5.8076539196153E+15
Circumference 135075100.91966

Square

Length = n
Perimeter 85991480
Area 462158414536900
Diagonal 30402579.316134

Cube

Length = n
Surface area 2772950487221400
Volume 9.9354215151204E+21
Space diagonal 37235403.094511

Equilateral Triangle

Length = n
Perimeter 64493610
Area 2.0012046378085E+14
Altitude 18617701.547255

Triangular Pyramid

Length = n
Surface area 2.0012046378085E+14
Volume 1.1709006545481E+21
Height 10134193.105378