21139990 (number)

21139990 is an even 8-digits composite number following 21139989 and preceding 21139991. In scientific notation, it is written as 2.1139990 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8003424 positive integers (up to 21139990) that are relatively prime to 21139990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1139990 × 10^7
Engineering notation 2.1139990 × 10^6

Prime Factorization of 21139990

Prime Factorization 2 × 535 × 23 × 859

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21139990
Product of the distinct prime numbers

The prime factorization of 21139990 is 2 × 535 × 23 × 859. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 23, 65, 775, 769, 3077, 1143, 96808, 90161, 385132, 660372, 3008162, 6298697, 11527479, 94355506, 554088441, 901314355, 741596938, 8342623053

Basic calculations (n = 21139990)

Multiplication

n×y
n×2 42279980
n×3 63419970
n×4 84559960
n×5 105699950

Division

n÷y
n÷2 10569995
n÷3 7046663.3333333
n÷3 5284997.5
n÷5 4227998

Exponentiation

ny
n2 446899177200100
n3 9.4474441370183E+21
n4 1.9971887458213E+29
n5 4.2220550114774E+36

Nth Root

y√n
2√n 4597.8244855584
3√n 276.50411089267
4√n 67.807259829301
5√n 29.175677886119

Divisors of 21139990

1, 2, 23, 46, 535, 859, 1070, 1718, 12305, 19757, 24610, 39514, 459565, 919130, 10569995, 21139990

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 -21139989
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 21139990 can be divided by 16 positive divisors. The sum of these divisors (counting 21139990) is 1, the average is 0.0625.

Base conversion 21139990

Base System Value
2 Binary 1010000101001001000010110
3 Ternary 1110210000121121
4 Quaternary 1100221020112
5 Quinary 20402434430
6 Senary 2033034154
8 Octal 120511026
10 Decimal 21139990
12 Duodecimal 70b595a
16 Hexadecimal 1429216
20 Vigesimal 6c29ja
36 Base36 cl3py

Cryptographic Hash Functions

md5 eb5c586f3ecf9da813f2d573f7e16ed0
sha1 933e015b4fe8d9ebcba05732837c5da0bec49cab
sha256 98282e957902c0539bff43cf47891ff5cfc7a5c4c683cad79541b113148cbeec
sha512 aacf61537f22a590a1d7d35b0dd02454fd63d433752e4fae19a0c96f7dc79480db1ac7d5400b611046c0da36dddbea6c1db2162f8a8b2bc9dae76d7c82e7439f
ripemd-160 2b116405aab30c43f6d3403c2fe9245942dab8f0

21139990 as geometric shapes

Circle

Radius = n
Diameter 42279980
Circumference 132826474.56192
Area 1.4039751719872E+15

Sphere

Radius = n
Volume 3.9573361461409E+22
Surface area 5.6159006879486E+15
Circumference 132826474.56192

Square

Length = n
Perimeter 84559960
Area 446899177200100
Diagonal 29896460.566432

Cube

Length = n
Surface area 2681395063200600
Volume 9.4474441370183E+21
Space diagonal 36615536.751498

Equilateral Triangle

Length = n
Perimeter 63419970
Area 1.9351302019282E+14
Altitude 18307768.375749

Triangular Pyramid

Length = n
Surface area 1.9351302019282E+14
Volume 1.1133919690278E+21
Height 9965486.8554772