21107979 (number)

21107979 is an odd 8-digits composite number following 21107978 and preceding 21107980. In scientific notation, it is written as 2.1107979 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13900968 positive integers (up to 21107979) that are relatively prime to 21107979.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred seven thousand nine hundred seventy-nine

Notation

Scientific notation 2.1107979 × 10^7
Engineering notation 2.1107979 × 10^6

Prime Factorization of 21107979

Prime Factorization 9 × 3 × 83 × 9419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21107979
Product of the distinct prime numbers

The prime factorization of 21107979 is 9 × 3 × 83 × 9419. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 16, 11, 502, 90, 2795, 7080, 62448, 19817, 149549, 20978, 6970411, 2089680, 62813180, 55442043, 133560501, 234103447, 3924872454, 6524100547

Basic calculations (n = 21107979)

Multiplication

n×y
n×2 42215958
n×3 63323937
n×4 84431916
n×5 105539895

Division

n÷y
n÷2 10553989.5
n÷3 7035993
n÷3 5276994.75
n÷5 4221595.8

Exponentiation

ny
n2 445546777464441
n3 9.4045920222371E+21
n4 1.9851193090895E+29
n5 4.1901856688755E+36

Nth Root

y√n
2√n 4594.3420638868
3√n 276.36447594088
4√n 67.781576138998
5√n 29.16683673885

Divisors of 21107979

1, 3, 9, 27, 83, 249, 747, 2241, 9419, 28257, 84771, 254313, 781777, 2345331, 7035993, 21107979

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21107978
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21107979 can be divided by 16 positive divisors. The sum of these divisors (counting 21107979) is 1, the average is 0.0625.

Base conversion 21107979

Base System Value
2 Binary 1010000100001010100001011
3 Ternary 1110201101201000
4 Quaternary 1100201110023
5 Quinary 20400423404
6 Senary 2032230043
8 Octal 120412413
10 Decimal 21107979
12 Duodecimal 709b323
16 Hexadecimal 142150b
20 Vigesimal 6bi9ij
36 Base36 ckf0r

Cryptographic Hash Functions

md5 cbe1baea8fe71b9ed111bf6b14f14435
sha1 3c5f54868a02801afdab0f0918fc2006e2822797
sha256 2083e84a3554a1ac32485bc343af044f10a686c123b4221fbb43796765938b26
sha512 28936648bd5b484727c078e4c3a6622b2d41188d75cf50f57953474c539e5e52048b20b448a3c18687e4670fc1f9eca5439eb36fb202bc69b860a9b0a3faa7bf
ripemd-160 9f8989cbaeddf54bcf81eaaa7d0be207e8adb7da

21107979 as geometric shapes

Circle

Radius = n
Diameter 42215958
Circumference 132625343.51706
Area 1.3997264829129E+15

Sphere

Radius = n
Volume 3.9393862942759E+22
Surface area 5.5989059316516E+15
Circumference 132625343.51706

Square

Length = n
Perimeter 84431916
Area 445546777464441
Diagonal 29851190.176086

Cube

Length = n
Surface area 2673280664786646
Volume 9.4045920222371E+21
Space diagonal 36560092.073097

Equilateral Triangle

Length = n
Perimeter 63323937
Area 1.9292741392925E+14
Altitude 18280046.036548

Triangular Pyramid

Length = n
Surface area 1.9292741392925E+14
Volume 1.1083417988695E+21
Height 9950396.7253622