21551628 (number)

21551628 is an even 8-digits composite number following 21551627 and preceding 21551629. In scientific notation, it is written as 2.1551628 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6157584 positive integers (up to 21551628) that are relatively prime to 21551628.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand six hundred twenty-eight

Notation

Scientific notation 2.1551628 × 10^7
Engineering notation 2.1551628 × 10^6

Prime Factorization of 21551628

Prime Factorization 2 × 2 × 7 × 3 × 256567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10775814
Product of the distinct prime numbers

The prime factorization of 21551628 is 2 × 2 × 7 × 3 × 256567. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 83, 99, 794, 603, 5585, 4980, 58800, 30816, 223134, 444310, 9253341, 6032333, 54224123, 47490814, 712297417, 669468464, 6403767400, 5360187583

Basic calculations (n = 21551628)

Multiplication

n×y
n×2 43103256
n×3 64654884
n×4 86206512
n×5 107758140

Division

n÷y
n÷2 10775814
n÷3 7183876
n÷3 5387907
n÷5 4310325.6

Exponentiation

ny
n2 464472669450384
n3 1.0010142188162E+22
n4 2.1573486066637E+29
n5 4.6494374637133E+36

Nth Root

y√n
2√n 4642.3731000427
3√n 278.28728302963
4√n 68.134962391145
5√n 29.288424900585

Divisors of 21551628

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 256567, 513134, 769701, 1026268, 1539402, 1795969, 3078804, 3591938, 5387907, 7183876, 10775814, 21551628

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 -21551627
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 21551628 can be divided by 24 positive divisors. The sum of these divisors (counting 21551628) is 1, the average is 0.041666666666667.

Base conversion 21551628

Base System Value
2 Binary 1010010001101101000001100
3 Ternary 1111112221021110
4 Quaternary 1102031220030
5 Quinary 21004123003
6 Senary 2045532020
8 Octal 122155014
10 Decimal 21551628
12 Duodecimal 7274010
16 Hexadecimal 148da0c
20 Vigesimal 6edj18
36 Base36 ctxcc

Cryptographic Hash Functions

md5 a9592d200adc1fc3190f2f52a6844131
sha1 d1ae295efe152861e2261705b5acde8e3cab09b9
sha256 6a762d5d81fa0a8a4534a0fb05a0822adb2fb32b9a2b67bbbab1355d33e84e6d
sha512 a6a70978d46c1634b729e5b7ea3c9f1e0bb7403a6d1bf09579170d2a40c8738720f2fcd797b5619901fe27ac46f6c449af735edb6373bf81155ff0fcc87d2fdf
ripemd-160 d7caeb1ea44db936459b880f16f039815b2e8536

21551628 as geometric shapes

Circle

Radius = n
Diameter 43103256
Circumference 135412872.3954
Area 1.4591839261386E+15

Sphere

Radius = n
Volume 4.193038554629E+22
Surface area 5.8367357045543E+15
Circumference 135412872.3954

Square

Length = n
Perimeter 86206512
Area 464472669450384
Diagonal 30478604.60882

Cube

Length = n
Surface area 2786836016702304
Volume 1.0010142188162E+22
Space diagonal 37328514.681824

Equilateral Triangle

Length = n
Perimeter 64654884
Area 2.011225655538E+14
Altitude 18664257.340912

Triangular Pyramid

Length = n
Surface area 2.011225655538E+14
Volume 1.1797065703151E+21
Height 10159534.869607