21998988 (number)

21998988 is an even 8-digits composite number following 21998987 and preceding 21998989. In scientific notation, it is written as 2.1998988 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors. There are 6566400 positive integers (up to 21998988) that are relatively prime to 21998988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1998988 × 10^7
Engineering notation 2.1998988 × 10^6

Prime Factorization of 21998988

Prime Factorization 2 × 2 × 99 × 73 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10999494
Product of the distinct prime numbers

The prime factorization of 21998988 is 2 × 2 × 99 × 73 × 761. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 57, 66, 891, 678, 2396, 5572, 53751, 18982, 598870, 79261, 3806327, 3553269, 39311758, 15636124, 379847555, 302140675, 6647570786, 2650558155

Basic calculations (n = 21998988)

Multiplication

n×y
n×2 43997976
n×3 65996964
n×4 87995952
n×5 109994940

Division

n÷y
n÷2 10999494
n÷3 7332996
n÷3 5499747
n÷5 4399797.6

Exponentiation

ny
n2 483955473024144
n3 1.0646530643592E+22
n4 2.3421289987002E+29
n5 5.1524467736858E+36

Nth Root

y√n
2√n 4690.3078790203
3√n 280.19963653935
4√n 68.485822467284
5√n 29.409019177768

Divisors of 21998988

1, 2, 4, 73, 99, 146, 198, 292, 396, 761, 1522, 3044, 7227, 14454, 28908, 55553, 75339, 111106, 150678, 222212, 301356, 5499747, 10999494, 21998988

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 -21998987
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 21998988 can be divided by 24 positive divisors. The sum of these divisors (counting 21998988) is 1, the average is 0.041666666666667.

Base conversion 21998988

Base System Value
2 Binary 1010011111010110110001100
3 Ternary 1112101122221100
4 Quaternary 1103322312030
5 Quinary 21112431423
6 Senary 2103303100
8 Octal 123726614
10 Decimal 21998988
12 Duodecimal 744aa90
16 Hexadecimal 14fad8c
20 Vigesimal 6h9h98
36 Base36 d3ij0

Cryptographic Hash Functions

md5 6e086361567aa87884e31130bdc44fe9
sha1 f4b60e340722cba73fc09161bda4e6b239031823
sha256 6d83dd8c24949066e146de1d47d1cf78ac38f45bafea59db0f1d77fa9a50519e
sha512 a7cf2fe4fc179bddbf1aefe68debc71a457b544dd5ea62486e194c4dd047aa2340281a03a7811e78d5eccce03518a588f718671ca1e85a0ed1a3b16002d9560f
ripemd-160 5b46701f4149b1b6b4bfa45ff622903b2f327a0c

21998988 as geometric shapes

Circle

Radius = n
Diameter 43997976
Circumference 138223718.17442
Area 1.5203909587172E+15

Sphere

Radius = n
Volume 4.4596083274838E+22
Surface area 6.0815638348689E+15
Circumference 138223718.17442

Square

Length = n
Perimeter 87995952
Area 483955473024144
Diagonal 31111267.188083

Cube

Length = n
Surface area 2903732838144864
Volume 1.0646530643592E+22
Space diagonal 38103364.931098

Equilateral Triangle

Length = n
Perimeter 65996964
Area 2.0955886696971E+14
Altitude 19051682.465549

Triangular Pyramid

Length = n
Surface area 2.0955886696971E+14
Volume 1.2547056690324E+21
Height 10370422.396028