21898940 (number)

21898940 is an even 8-digits composite number following 21898939 and preceding 21898941. In scientific notation, it is written as 2.1898940 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 7508160 positive integers (up to 21898940) that are relatively prime to 21898940.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-eight thousand nine hundred forty

Notation

Scientific notation 2.1898940 × 10^7
Engineering notation 2.1898940 × 10^6

Prime Factorization of 21898940

Prime Factorization 2 × 2 × 5 × 7 × 156421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10949470
Product of the distinct prime numbers

The prime factorization of 21898940 is 2 × 2 × 5 × 7 × 156421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 94, 16, 181, 268, 8353, 1652, 82924, 24697, 864312, 179216, 2111321, 8251978, 1048606, 15464165, 296619181, 657530597, 7912251445, 8423226452

Basic calculations (n = 21898940)

Multiplication

n×y
n×2 43797880
n×3 65696820
n×4 87595760
n×5 109494700

Division

n÷y
n÷2 10949470
n÷3 7299646.6666667
n÷3 5474735
n÷5 4379788

Exponentiation

ny
n2 479563573123600
n3 1.0501933914019E+22
n4 2.2998122066707E+29
n5 5.036344952515E+36

Nth Root

y√n
2√n 4679.6303272801
3√n 279.77422275597
4√n 68.407823582395
5√n 29.382220847975

Divisors of 21898940

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 156421, 312842, 625684, 782105, 1094947, 1564210, 2189894, 3128420, 4379788, 5474735, 10949470, 21898940

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 -21898939
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 21898940 can be divided by 24 positive divisors. The sum of these divisors (counting 21898940) is 1, the average is 0.041666666666667.

Base conversion 21898940

Base System Value
2 Binary 1010011100010011010111100
3 Ternary 1112012120200212
4 Quaternary 1103202122330
5 Quinary 21101231230
6 Senary 2101211552
8 Octal 123423274
10 Decimal 21898940
12 Duodecimal 7400bb8
16 Hexadecimal 14e26bc
20 Vigesimal 6gh770
36 Base36 d1dbw

Cryptographic Hash Functions

md5 7676456f468526b664d4016ff03565f5
sha1 651501bed7cd8c5656fd4d04f62b01e55d467a12
sha256 7bca2ea67ca8c741442a44877edd1d88b6458a7d7627f776fbc98843059940bd
sha512 b913fdcfbe2c40261b5d9354c181fe93998ab329c4ada4552065fbf1344cb96c4786767ec7b40d6a17a46d80aa8f891e6919629ad2e3a728be2fe166b648db6b
ripemd-160 f1aeb6e7efb79ef4d199ba123998f145ef63addd

21898940 as geometric shapes

Circle

Radius = n
Diameter 43797880
Circumference 137595098.05081
Area 1.5065933982544E+15

Sphere

Radius = n
Volume 4.3990397910358E+22
Surface area 6.0263735930175E+15
Circumference 137595098.05081

Square

Length = n
Perimeter 87595760
Area 479563573123600
Diagonal 30969777.949595

Cube

Length = n
Surface area 2877381438741600
Volume 1.0501933914019E+22
Space diagonal 37930076.711902

Equilateral Triangle

Length = n
Perimeter 65696820
Area 2.0765711852734E+14
Altitude 18965038.355951

Triangular Pyramid

Length = n
Surface area 2.0765711852734E+14
Volume 1.2376647810293E+21
Height 10323259.316532