21039972 (number)

21039972 is an even 8-digits composite number following 21039971 and preceding 21039973. In scientific notation, it is written as 2.1039972 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7002528 positive integers (up to 21039972) that are relatively prime to 21039972.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred seventy-two

Notation

Scientific notation 2.1039972 × 10^7
Engineering notation 2.1039972 × 10^6

Prime Factorization of 21039972

Prime Factorization 2 × 2 × 3 × 1613 × 1087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10519986
Product of the distinct prime numbers

The prime factorization of 21039972 is 2 × 2 × 3 × 1613 × 1087. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 56, 71, 682, 164, 7188, 9365, 70841, 5541, 652230, 322418, 985103, 9197994, 95589680, 93679828, 1282753, 796461278, 8616026992, 9457090965

Basic calculations (n = 21039972)

Multiplication

n×y
n×2 42079944
n×3 63119916
n×4 84159888
n×5 105199860

Division

n÷y
n÷2 10519986
n÷3 7013324
n÷3 5259993
n÷5 4207994.4

Exponentiation

ny
n2 442680421760784
n3 9.3139836787951E+21
n4 1.9596595581031E+29
n5 4.1231182232021E+36

Nth Root

y√n
2√n 4586.9349243258
3√n 276.06735386227
4√n 67.72691432751
5√n 29.148018165006

Divisors of 21039972

1, 2, 3, 4, 6, 12, 1087, 1613, 2174, 3226, 3261, 4348, 4839, 6452, 6522, 9678, 13044, 19356, 1753331, 3506662, 5259993, 7013324, 10519986, 21039972

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 -21039971
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 21039972 can be divided by 24 positive divisors. The sum of these divisors (counting 21039972) is 1, the average is 0.041666666666667.

Base conversion 21039972

Base System Value
2 Binary 1010000010000101101100100
3 Ternary 1110120221102020
4 Quaternary 1100100231210
5 Quinary 20341234342
6 Senary 2030543140
8 Octal 120205544
10 Decimal 21039972
12 Duodecimal 7067ab0
16 Hexadecimal 1410b64
20 Vigesimal 6b9jic
36 Base36 ciyjo

Cryptographic Hash Functions

md5 6c1f9fa7a95b22acd2c2db953b5f50e7
sha1 34a36b4fc3b241ea3fceb9cd0a2dad8c2b6dfcf6
sha256 02fd1653c361ed1fe68d405a026c4d8e79f702d273a8d38d7dfa8d091ffdfb13
sha512 b3b4c94f1fd474e135519d65a8164e03a90bd393715968ff06fb43848bfa1db32f97d7343eb96e5c0083ab20ed8cd1e5a78c70ce50832655dd65ac80c8abc022
ripemd-160 b2792b565689c8b17414e178eb17a28460012fe0

21039972 as geometric shapes

Circle

Radius = n
Diameter 42079944
Circumference 132198042.93387
Area 1.3907215608917E+15

Sphere

Radius = n
Volume 3.9014323601277E+22
Surface area 5.5628862435668E+15
Circumference 132198042.93387

Square

Length = n
Perimeter 84159888
Area 442680421760784
Diagonal 29755013.75435

Cube

Length = n
Surface area 2656082530564704
Volume 9.3139836787951E+21
Space diagonal 36442300.493827

Equilateral Triangle

Length = n
Perimeter 63119916
Area 1.9168624550142E+14
Altitude 18221150.246913

Triangular Pyramid

Length = n
Surface area 1.9168624550142E+14
Volume 1.0976635031895E+21
Height 9918337.9181167