21495890 (number)

21495890 is an even 8-digits composite number following 21495889 and preceding 21495891. In scientific notation, it is written as 2.1495890 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 64 positive divisors. There are 7464960 positive integers (up to 21495890) that are relatively prime to 21495890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495890 × 10^7
Engineering notation 2.1495890 × 10^6

Prime Factorization of 21495890

Prime Factorization 2 × 37 × 5 × 13 × 41 × 109

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21495890
Product of the distinct prime numbers

The prime factorization of 21495890 is 2 × 37 × 5 × 13 × 41 × 109. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 1, 64, 16, 238, 99, 5000, 5700, 89655, 46352, 672302, 841012, 4599303, 5357206, 55458573, 5224111, 18823439, 570544599, 6523652474, 836109015

Basic calculations (n = 21495890)

Multiplication

n×y
n×2 42991780
n×3 64487670
n×4 85983560
n×5 107479450

Division

n÷y
n÷2 10747945
n÷3 7165296.6666667
n÷3 5373972.5
n÷5 4299178

Exponentiation

ny
n2 462073286892100
n3 9.932676546971E+21
n4 2.1351172245927E+29
n5 4.589624499695E+36

Nth Root

y√n
2√n 4636.3660338675
3√n 278.04716864355
4√n 68.090866009087
5√n 29.273259738544

Divisors of 21495890

1, 2, 5, 10, 13, 26, 37, 41, 65, 74, 82, 109, 130, 185, 205, 218, 370, 410, 481, 533, 545, 962, 1066, 1090, 1417, 1517, 2405, 2665, 2834, 3034, 4033, 4469, 4810, 5330, 7085, 7585, 8066, 8938, 14170, 15170, 19721, 20165, 22345, 39442, 40330, 44690, 52429, 58097, 98605, 104858, 116194, 165353, 197210, 262145, 290485, 330706, 524290, 580970, 826765, 1653530, 2149589, 4299178, 10747945, 21495890

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495890 can be divided by 64 positive divisors. The sum of these divisors (counting 21495890) is 1, the average is 0.015625.

Base conversion 21495890

Base System Value
2 Binary 1010010000000000001010010
3 Ternary 1111110002211002
4 Quaternary 1102000001102
5 Quinary 21000332030
6 Senary 2044422002
8 Octal 122000122
10 Decimal 21495890
12 Duodecimal 7247902
16 Hexadecimal 1480052
20 Vigesimal 6e6jea
36 Base36 csqc2

Cryptographic Hash Functions

md5 9bb0fc83dc7bc58e677a0e0b3c13ec61
sha1 be99055b93aaf2005c3fb0845b6807de66fc8928
sha256 2b55ed3ec49489200e4c1cec5239c976adb6020f6784cb26eb6e4752b9ea0ced
sha512 92909d00d1a8e5a2e8072b124164e00e6d37862b09a535dbe1eca882279c230f2140bb67e6052c11dee5194125dd4d6f532795557242e9d812f2b9a00279dc8e
ripemd-160 8f2320c986bdc1a4a822c36faabfe42be099bce7

21495890 as geometric shapes

Circle

Radius = n
Diameter 42991780
Circumference 135062660.21275
Area 1.4516460435203E+15

Sphere

Radius = n
Volume 4.1605898227264E+22
Surface area 5.8065841740812E+15
Circumference 135062660.21275

Square

Length = n
Perimeter 85983560
Area 462073286892100
Diagonal 30399779.17328

Cube

Length = n
Surface area 2772439721352600
Volume 9.932676546971E+21
Space diagonal 37231973.633912

Equilateral Triangle

Length = n
Perimeter 64487670
Area 2.0008360242937E+14
Altitude 18615986.816956

Triangular Pyramid

Length = n
Surface area 2.0008360242937E+14
Volume 1.1705771569493E+21
Height 10133259.724427