21994489 (number)

21994489 is an odd 8-digits composite number following 21994488 and preceding 21994490. In scientific notation, it is written as 2.1994489 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 19994980 positive integers (up to 21994489) that are relatively prime to 21994489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1994489 × 10^7
Engineering notation 2.1994489 × 10^6

Prime Factorization of 21994489

Prime Factorization 11 × 1999499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21994489
Product of the distinct prime numbers

The prime factorization of 21994489 is 11 × 1999499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21994489)

Multiplication

n×y
n×2 43988978
n×3 65983467
n×4 87977956
n×5 109972445

Division

n÷y
n÷2 10997244.5
n÷3 7331496.3333333
n÷3 5498622.25
n÷5 4398897.8

Exponentiation

ny
n2 483757546371121
n3 1.0640000032327E+22
n4 2.3402136367101E+29
n5 5.147180309027E+36

Nth Root

y√n
2√n 4689.8282484543
3√n 280.1805340832
4√n 68.482320699976
5√n 29.407816195139

Divisors of 21994489

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 -21994488
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 21994489 can be divided by 4 positive divisors. The sum of these divisors (counting 21994489) is 1, the average is 0.25.

Base conversion 21994489

Base System Value
2 Binary 1010011111001101111111001
3 Ternary 1112101102202201
4 Quaternary 1103321233321
5 Quinary 21112310424
6 Senary 2103230201
8 Octal 123715771
10 Decimal 21994489
12 Duodecimal 7448361
16 Hexadecimal 14f9bf9
20 Vigesimal 6h9649
36 Base36 d3f21

Cryptographic Hash Functions

md5 dae641bf254ec0d8720d3235ed0c2904
sha1 693e5d346d0a928acf9129697326b996693b7c19
sha256 ed00473cfdd268659ce1caef10e6a685ffb81cf898b6175fadfb474178172e77
sha512 f6757d3f93b0b96cdba9bcb5528dbff22fa85262373d3649bfbeced14e28f6eb989e653ef98e912d7942f2f6c8fbf04ac5a08030e9791418f0f8548e12f19d73
ripemd-160 fb16b7a1abc981fc125d7787503042c67fa2c9e1

21994489 as geometric shapes

Circle

Radius = n
Diameter 43988978
Circumference 138195450.12372
Area 1.5197691537981E+15

Sphere

Radius = n
Volume 4.4568727914337E+22
Surface area 6.0790766151926E+15
Circumference 138195450.12372

Square

Length = n
Perimeter 87977956
Area 483757546371121
Diagonal 31104904.641266

Cube

Length = n
Surface area 2902545278226726
Volume 1.0640000032327E+22
Space diagonal 38095572.434515

Equilateral Triangle

Length = n
Perimeter 65983467
Area 2.0947316221491E+14
Altitude 19047786.217257

Triangular Pyramid

Length = n
Surface area 2.0947316221491E+14
Volume 1.2539360291139E+21
Height 10368301.547089