21551489 (number)

21551489 is an odd 8-digits composite number following 21551488 and preceding 21551490. In scientific notation, it is written as 2.1551489 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 21432240 positive integers (up to 21551489) that are relatively prime to 21551489.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand four hundred eighty-nine

Notation

Scientific notation 2.1551489 × 10^7
Engineering notation 2.1551489 × 10^6

Prime Factorization of 21551489

Prime Factorization 181 × 119069

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21551489
Product of the distinct prime numbers

The prime factorization of 21551489 is 181 × 119069. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 59, 46, 358, 282, 1468, 5841, 31478, 94983, 291635, 872808, 3714837, 5747467, 75356857, 33115306, 986987276, 634948873, 9373644097, 4803430003

Basic calculations (n = 21551489)

Multiplication

n×y
n×2 43102978
n×3 64654467
n×4 86205956
n×5 107757445

Division

n÷y
n÷2 10775744.5
n÷3 7183829.6666667
n÷3 5387872.25
n÷5 4310297.8

Exponentiation

ny
n2 464466678117121
n3 1.0009948504308E+22
n4 2.1572929508115E+29
n5 4.6492875299192E+36

Nth Root

y√n
2√n 4642.358129227
3√n 278.28668474512
4√n 68.134852529575
5√n 29.288387120594

Divisors of 21551489

1, 181, 119069, 21551489

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551489 can be divided by 4 positive divisors. The sum of these divisors (counting 21551489) is 1, the average is 0.25.

Base conversion 21551489

Base System Value
2 Binary 1010010001101100110000001
3 Ternary 1111112221002022
4 Quaternary 1102031212001
5 Quinary 21004121424
6 Senary 2045531225
8 Octal 122154601
10 Decimal 21551489
12 Duodecimal 7273b15
16 Hexadecimal 148d981
20 Vigesimal 6edie9
36 Base36 ctx8h

Cryptographic Hash Functions

md5 71e21aab55eacae8976ebf12733c30a6
sha1 cb6738c4d416a065d2b10be1d2c3bbee0e59e36c
sha256 e2308dfc826ef3de1c95c4af4fda759dc99bc9c88db6332a05c7a0a500a25036
sha512 c3f4f0de310a977dd43d5f03fc838e627bbbb2ea15fd458161236778bacba44b0a9ecead71db0532f3e1cdf15990ba9307f0595f5c0c28b7e999bfd7093f6762
ripemd-160 70b994874091e7c61fd6e2cff5c12b1416d47359

21551489 as geometric shapes

Circle

Radius = n
Diameter 43102978
Circumference 135411999.03264
Area 1.45916510381E+15

Sphere

Radius = n
Volume 4.192957424526E+22
Surface area 5.83666041524E+15
Circumference 135411999.03264

Square

Length = n
Perimeter 86205956
Area 464466678117121
Diagonal 30478408.033135

Cube

Length = n
Surface area 2786800068702726
Volume 1.0009948504308E+22
Space diagonal 37328273.926762

Equilateral Triangle

Length = n
Perimeter 64654467
Area 2.011199712304E+14
Altitude 18664136.963381

Triangular Pyramid

Length = n
Surface area 2.011199712304E+14
Volume 1.179683744454E+21
Height 10159469.344378