21139970 (number)

21139970 is an even 8-digits composite number following 21139969 and preceding 21139971. In scientific notation, it is written as 2.1139970 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8010864 positive integers (up to 21139970) that are relatively prime to 21139970.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139970 × 10^7
Engineering notation 2.1139970 × 10^6

Prime Factorization of 21139970

Prime Factorization 2 × 5 × 19 × 111263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21139970
Product of the distinct prime numbers

The prime factorization of 21139970 is 2 × 5 × 19 × 111263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 89, 26, 487, 907, 3347, 9056, 13140, 23812, 277598, 991144, 1668481, 3545711, 70026669, 84273501, 454463613, 963089674, 7634123379, 2143275042

Basic calculations (n = 21139970)

Multiplication

n×y
n×2 42279940
n×3 63419910
n×4 84559880
n×5 105699850

Division

n÷y
n÷2 10569985
n÷3 7046656.6666667
n÷3 5284992.5
n÷5 4227994

Exponentiation

ny
n2 446898331600900
n3 9.4474173230931E+21
n4 1.9971811878767E+29
n5 4.2220350396277E+36

Nth Root

y√n
2√n 4597.8223106162
3√n 276.50402369483
4√n 67.80724379162
5√n 29.175672365646

Divisors of 21139970

1, 2, 5, 10, 19, 38, 95, 190, 111263, 222526, 556315, 1112630, 2113997, 4227994, 10569985, 21139970

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 -21139969
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 21139970 can be divided by 16 positive divisors. The sum of these divisors (counting 21139970) is 1, the average is 0.0625.

Base conversion 21139970

Base System Value
2 Binary 1010000101001001000000010
3 Ternary 1110210000120212
4 Quaternary 1100221020002
5 Quinary 20402434340
6 Senary 2033034122
8 Octal 120511002
10 Decimal 21139970
12 Duodecimal 70b5942
16 Hexadecimal 1429202
20 Vigesimal 6c29ia
36 Base36 cl3pe

Cryptographic Hash Functions

md5 3f1bbe0ca7f6643d4a28779b3caca025
sha1 799201a0b9b46d2b2ec98c76c0402cbfabf615c2
sha256 6c5c9cba548df5097e4afdacc6b27f4dae331f593c168b0a4eb3113faf47804a
sha512 0cf8b64a8b5473a4d6be35a31b0e4b4412b38332235db5e5c55f5189260fc8623b011a65abc016271b2544de4021cb382300691d27b401012abf02649863fa18
ripemd-160 dd05d1dc938474f174cce35a202793ff79c6172e

21139970 as geometric shapes

Circle

Radius = n
Diameter 42279940
Circumference 132826348.89822
Area 1.4039725154589E+15

Sphere

Radius = n
Volume 3.9573249143502E+22
Surface area 5.6158900618357E+15
Circumference 132826348.89822

Square

Length = n
Perimeter 84559880
Area 446898331600900
Diagonal 29896432.28216

Cube

Length = n
Surface area 2681389989605400
Volume 9.4474173230931E+21
Space diagonal 36615502.110482

Equilateral Triangle

Length = n
Perimeter 63419910
Area 1.9351265403763E+14
Altitude 18307751.055241

Triangular Pyramid

Length = n
Surface area 1.9351265403763E+14
Volume 1.1133888089764E+21
Height 9965477.4273868