21097989 (number)

21097989 is an odd 8-digits composite number following 21097988 and preceding 21097990. In scientific notation, it is written as 2.1097989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 12772080 positive integers (up to 21097989) that are relatively prime to 21097989.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 2.1097989 × 10^7
Engineering notation 2.1097989 × 10^6

Prime Factorization of 21097989

Prime Factorization 9 × 27 × 99 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21097989
Product of the distinct prime numbers

The prime factorization of 21097989 is 9 × 27 × 99 × 877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 7, 86, 286, 367, 3386, 7934, 88662, 83821, 406882, 865411, 7098510, 8137307, 50702884, 31975137, 803437730, 352205151, 4842684763, 5611001619

Basic calculations (n = 21097989)

Multiplication

n×y
n×2 42195978
n×3 63293967
n×4 84391956
n×5 105489945

Division

n÷y
n÷2 10548994.5
n÷3 7032663
n÷3 5274497.25
n÷5 4219597.8

Exponentiation

ny
n2 445125139844121
n3 9.3912453040547E+21
n4 1.9813639012125E+29
n5 4.1802793792778E+36

Nth Root

y√n
2√n 4593.2547284034
3√n 276.32086973259
4√n 67.773554786534
5√n 29.164075395608

Divisors of 21097989

1, 9, 27, 99, 243, 877, 891, 2673, 7893, 23679, 24057, 86823, 213111, 781407, 2344221, 21097989

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 -21097988
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 21097989 can be divided by 16 positive divisors. The sum of these divisors (counting 21097989) is 1, the average is 0.0625.

Base conversion 21097989

Base System Value
2 Binary 1010000011110111000000101
3 Ternary 1110200220000000
4 Quaternary 1100132320011
5 Quinary 20400113424
6 Senary 2032111513
8 Octal 120367005
10 Decimal 21097989
12 Duodecimal 7095599
16 Hexadecimal 141ee05
20 Vigesimal 6bh4j9
36 Base36 ck7b9

Cryptographic Hash Functions

md5 b79597b4bb62c213045dde616a093a81
sha1 b532aa7fb186079f80798230ef7ff38f96d09889
sha256 517510aa0246fc4033f68ee64231a9f1e0470128eb15ae77a2b8ddf475e9ec27
sha512 3bc82015fccbbc6da001ef35f75cb63e0e0c9e7c519fa16bfc4af27af523625f35d52e5782a963e6e11986e4134e3022217cbba5a8f30d78ae963a9a4bcc86ba
ripemd-160 c61795ff34010f9eba2cf48c60ee3277f2d67bab

21097989 as geometric shapes

Circle

Radius = n
Diameter 42195978
Circumference 132562574.49584
Area 1.3984018692624E+15

Sphere

Radius = n
Volume 3.9337956340371E+22
Surface area 5.5936074770497E+15
Circumference 132562574.49584

Square

Length = n
Perimeter 84391956
Area 445125139844121
Diagonal 29837062.182598

Cube

Length = n
Surface area 2670750839064726
Volume 9.3912453040547E+21
Space diagonal 36542788.885529

Equilateral Triangle

Length = n
Perimeter 63293967
Area 1.9274483948405E+14
Altitude 18271394.442765

Triangular Pyramid

Length = n
Surface area 1.9274483948405E+14
Volume 1.1067688730472E+21
Height 9945687.3941995