21489957 (number)

21489957 is an odd 8-digits composite number following 21489956 and preceding 21489958. In scientific notation, it is written as 2.1489957 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 13708800 positive integers (up to 21489957) that are relatively prime to 21489957.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1489957 × 10^7
Engineering notation 2.1489957 × 10^6

Prime Factorization of 21489957

Prime Factorization 3 × 29 × 3 × 137 × 601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7163319
Product of the distinct prime numbers

The prime factorization of 21489957 is 3 × 29 × 3 × 137 × 601. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 12, 7, 132, 437, 4661, 4359, 68718, 53303, 314657, 719373, 1398384, 3502679, 86275301, 19445066, 25615790, 303985241, 8656617036, 7671649436

Basic calculations (n = 21489957)

Multiplication

n×y
n×2 42979914
n×3 64469871
n×4 85959828
n×5 107449785

Division

n÷y
n÷2 10744978.5
n÷3 7163319
n÷3 5372489.25
n÷5 4297991.4

Exponentiation

ny
n2 461818251861849
n3 9.9244543743263E+21
n4 2.1327609775273E+29
n5 4.5832941698341E+36

Nth Root

y√n
2√n 4635.7261567094
3√n 278.02158537086
4√n 68.086167146561
5√n 29.271643639581

Divisors of 21489957

1, 3, 9, 29, 87, 137, 261, 411, 601, 1233, 1803, 3973, 5409, 11919, 17429, 35757, 52287, 82337, 156861, 247011, 741033, 2387773, 7163319, 21489957

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 -21489956
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 21489957 can be divided by 24 positive divisors. The sum of these divisors (counting 21489957) is 1, the average is 0.041666666666667.

Base conversion 21489957

Base System Value
2 Binary 1010001111110100100100101
3 Ternary 1111102210200100
4 Quaternary 1101332210211
5 Quinary 21000134312
6 Senary 2044334313
8 Octal 121764445
10 Decimal 21489957
12 Duodecimal 7244399
16 Hexadecimal 147e925
20 Vigesimal 6e64hh
36 Base36 cslr9

Cryptographic Hash Functions

md5 e22784582d89fcf5c0c833f7786075ef
sha1 4966fe7d801fa2859371411767b3953294c00d4b
sha256 442596623e675d820e07ba55673dcf79f71767985587a6f0548a5eab3e1c7170
sha512 eaa2b5d93b94c2ac670594913b0aa1e8572808902f0a468662d236c7de696d3390069df4e2a008e089ee99af5985c015438537e04f7abe4bc4af292a74d5acfb
ripemd-160 a239b05c8662ee9ad70e0603901b3b8cde94503c

21489957 as geometric shapes

Circle

Radius = n
Diameter 42979914
Circumference 135025382.07432
Area 1.4508448273429E+15

Sphere

Radius = n
Volume 4.1571457271027E+22
Surface area 5.8033793093715E+15
Circumference 135025382.07432

Square

Length = n
Perimeter 85959828
Area 461818251861849
Diagonal 30391388.644215

Cube

Length = n
Surface area 2770909511171094
Volume 9.9244543743263E+21
Space diagonal 37221697.37647

Equilateral Triangle

Length = n
Perimeter 64469871
Area 1.9997316902184E+14
Altitude 18610848.688235

Triangular Pyramid

Length = n
Surface area 1.9997316902184E+14
Volume 1.1696081646104E+21
Height 10130462.881405