21495940 (number)

21495940 is an even 8-digits composite number following 21495939 and preceding 21495941. In scientific notation, it is written as 2.1495940 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 8579040 positive integers (up to 21495940) that are relatively prime to 21495940.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred forty

Notation

Scientific notation 2.1495940 × 10^7
Engineering notation 2.1495940 × 10^6

Prime Factorization of 21495940

Prime Factorization 2 × 2 × 5 × 587 × 1831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747970
Product of the distinct prime numbers

The prime factorization of 21495940 is 2 × 2 × 5 × 587 × 1831. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 11, 19, 380, 189, 9263, 900, 49277, 14610, 392982, 196965, 112268, 5784362, 4305228, 89077261, 971325173, 925573312, 292889392, 52090288

Basic calculations (n = 21495940)

Multiplication

n×y
n×2 42991880
n×3 64487820
n×4 85983760
n×5 107479700

Division

n÷y
n÷2 10747970
n÷3 7165313.3333333
n÷3 5373985
n÷5 4299188

Exponentiation

ny
n2 462075436483600
n3 9.9327458581253E+21
n4 2.1351370900151E+29
n5 4.5896778778739E+36

Nth Root

y√n
2√n 4636.3714260184
3√n 278.04738422503
4√n 68.090905604335
5√n 29.273273356605

Divisors of 21495940

1, 2, 4, 5, 10, 20, 587, 1174, 1831, 2348, 2935, 3662, 5870, 7324, 9155, 11740, 18310, 36620, 1074797, 2149594, 4299188, 5373985, 10747970, 21495940

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 -21495939
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 21495940 can be divided by 24 positive divisors. The sum of these divisors (counting 21495940) is 1, the average is 0.041666666666667.

Base conversion 21495940

Base System Value
2 Binary 1010010000000000010000100
3 Ternary 1111110002212221
4 Quaternary 1102000002010
5 Quinary 21000332230
6 Senary 2044422124
8 Octal 122000204
10 Decimal 21495940
12 Duodecimal 7247944
16 Hexadecimal 1480084
20 Vigesimal 6e6jh0
36 Base36 csqdg

Cryptographic Hash Functions

md5 ef756378ca59e15ccdf792bbf9de7ea4
sha1 32dbd9d30819e2cd46ec3ca053032d14229e88ea
sha256 786fdba3e028b90249ca4ff0471a44a3d35210ff63e05d2fb967b566aa7f12ba
sha512 b735c122d1f52a7aba96ca959abc82306d23b05294ab40824a1a83a286ad2f96ef0e1b275fb8452d4d712bb27c523e498376a4a6b3e8c53477788e5450cb2c53
ripemd-160 3fb197f5fa3d27d0e31045e4a44e179e3d9b595d

21495940 as geometric shapes

Circle

Radius = n
Diameter 42991880
Circumference 135062974.37201
Area 1.4516527966612E+15

Sphere

Radius = n
Volume 4.1606188557148E+22
Surface area 5.8066111866447E+15
Circumference 135062974.37201

Square

Length = n
Perimeter 85983760
Area 462075436483600
Diagonal 30399849.883958

Cube

Length = n
Surface area 2772452618901600
Volume 9.9327458581253E+21
Space diagonal 37232060.236452

Equilateral Triangle

Length = n
Perimeter 64487820
Area 2.0008453322979E+14
Altitude 18616030.118226

Triangular Pyramid

Length = n
Surface area 2.0008453322979E+14
Volume 1.1705853253472E+21
Height 10133283.294653