21495938 (number)

21495938 is an even 8-digits composite number following 21495937 and preceding 21495939. In scientific notation, it is written as 2.1495938 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 10237920 positive integers (up to 21495938) that are relatively prime to 21495938.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred thirty-eight

Notation

Scientific notation 2.1495938 × 10^7
Engineering notation 2.1495938 × 10^6

Prime Factorization of 21495938

Prime Factorization 2 × 23 × 281 × 1663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21495938
Product of the distinct prime numbers

The prime factorization of 21495938 is 2 × 23 × 281 × 1663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 11, 63, 981, 396, 9676, 7310, 26084, 31561, 887222, 882679, 2070786, 3071062, 93699114, 13203363, 573675782, 335554019, 4863009211, 2224459219

Basic calculations (n = 21495938)

Multiplication

n×y
n×2 42991876
n×3 64487814
n×4 85983752
n×5 107479690

Division

n÷y
n÷2 10747969
n÷3 7165312.6666667
n÷3 5373984.5
n÷5 4299187.6

Exponentiation

ny
n2 462075350499844
n3 9.9327430856729E+21
n4 2.1351362953955E+29
n5 4.5896757427372E+36

Nth Root

y√n
2√n 4636.3712103325
3√n 278.04737560178
4√n 68.090904020526
5√n 29.273272811883

Divisors of 21495938

1, 2, 23, 46, 281, 562, 1663, 3326, 6463, 12926, 38249, 76498, 467303, 934606, 10747969, 21495938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495938 can be divided by 16 positive divisors. The sum of these divisors (counting 21495938) is 1, the average is 0.0625.

Base conversion 21495938

Base System Value
2 Binary 1010010000000000010000010
3 Ternary 1111110002212212
4 Quaternary 1102000002002
5 Quinary 21000332223
6 Senary 2044422122
8 Octal 122000202
10 Decimal 21495938
12 Duodecimal 7247942
16 Hexadecimal 1480082
20 Vigesimal 6e6jgi
36 Base36 csqde

Cryptographic Hash Functions

md5 d12f9f5f7a7a52130c69f50a42c187a7
sha1 6e302c47bb57ee1ab8201fcc5f9f8b615a756214
sha256 14687cbc9dd54d1d6092c1799f1904a8305f3df9a1fbe9fca72e36291c5dc862
sha512 fd7b395524c5cdfe962bf617a33c6502b4792142bc5918233d4e0c04818f92bdd800bcb5961c0ea951176eeedc88df9d2f339877cdce1202d4abf3cb6eac77e5
ripemd-160 8aaad0dae008341b805369dfe90317605ac4716c

21495938 as geometric shapes

Circle

Radius = n
Diameter 42991876
Circumference 135062961.80564
Area 1.4516525265352E+15

Sphere

Radius = n
Volume 4.1606176943926E+22
Surface area 5.806610106141E+15
Circumference 135062961.80564

Square

Length = n
Perimeter 85983752
Area 462075350499844
Diagonal 30399847.055531

Cube

Length = n
Surface area 2772452102999064
Volume 9.9327430856729E+21
Space diagonal 37232056.772351

Equilateral Triangle

Length = n
Perimeter 64487814
Area 2.0008449599773E+14
Altitude 18616028.386175

Triangular Pyramid

Length = n
Surface area 2.0008449599773E+14
Volume 1.1705849986105E+21
Height 10133282.351844