21553988 (number)

21553988 is an even 8-digits composite number following 21553987 and preceding 21553989. In scientific notation, it is written as 2.1553988 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 10756200 positive integers (up to 21553988) that are relatively prime to 21553988.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-three thousand nine hundred eighty-eight

Notation

Scientific notation 2.1553988 × 10^7
Engineering notation 2.1553988 × 10^6

Prime Factorization of 21553988

Prime Factorization 2 × 2 × 547 × 9851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10776994
Product of the distinct prime numbers

The prime factorization of 21553988 is 2 × 2 × 547 × 9851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 35, 88, 169, 319, 6696, 1000, 16045, 12713, 112554, 921702, 8375525, 5312157, 79914774, 40550438, 659928479, 363000883, 7265004477, 4008569962

Basic calculations (n = 21553988)

Multiplication

n×y
n×2 43107976
n×3 64661964
n×4 86215952
n×5 107769940

Division

n÷y
n÷2 10776994
n÷3 7184662.6666667
n÷3 5388497
n÷5 4310797.6

Exponentiation

ny
n2 464574398704144
n3 1.0013431014776E+22
n4 2.1582937193132E+29
n5 4.6519836926551E+36

Nth Root

y√n
2√n 4642.6272734304
3√n 278.29744056107
4√n 68.136827585605
5√n 29.289066315288

Divisors of 21553988

1, 2, 4, 547, 1094, 2188, 9851, 19702, 39404, 5388497, 10776994, 21553988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553988 can be divided by 12 positive divisors. The sum of these divisors (counting 21553988) is 1, the average is 0.083333333333333.

Base conversion 21553988

Base System Value
2 Binary 1010010001110001101000100
3 Ternary 1111120001111212
4 Quaternary 1102032031010
5 Quinary 21004211423
6 Senary 2045550552
8 Octal 122161504
10 Decimal 21553988
12 Duodecimal 7275458
16 Hexadecimal 148e344
20 Vigesimal 6ee4j8
36 Base36 ctz5w

Cryptographic Hash Functions

md5 1bf2ebb9e7df1d8c5c61f915471262e6
sha1 5920de0cb7c728275ad3cb523b0ab98e0345d245
sha256 9d394e3860921eb9f7ddcc1efffcba4e5ae28ba0efd2f24eaef44141d88d41fb
sha512 eb0ed7dda6470a70d5eb0f0f92adcda7bb6a604758c1b4e47194b768840d073e43bf1b5ec7c8a60b0ff1d839ad9e22901778edc19fb7bbfd371f765141b67fca
ripemd-160 d2befd4ebe5ec23e70d5876914211b1427e33e16

21553988 as geometric shapes

Circle

Radius = n
Diameter 43107976
Circumference 135427700.71273
Area 1.4595035180148E+15

Sphere

Radius = n
Volume 4.1944161750999E+22
Surface area 5.8380140720593E+15
Circumference 135427700.71273

Square

Length = n
Perimeter 86215952
Area 464574398704144
Diagonal 30481942.152827

Cube

Length = n
Surface area 2787446392224864
Volume 1.0013431014776E+22
Space diagonal 37332602.32173

Equilateral Triangle

Length = n
Perimeter 64661964
Area 2.0116661561283E+14
Altitude 18666301.160865

Triangular Pyramid

Length = n
Surface area 2.0116661561283E+14
Volume 1.1800941622487E+21
Height 10160647.384276