21139966 is an even 8-digits composite number following 21139965
and preceding 21139967 . In scientific notation, it is written as 2.1139966 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 10421040 positive integers (up to 21139966) that are relatively prime to 21139966.
21139966 has 8 divisors, whose sum is 32156784
The reverse of 21139966 is 66993112
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million one hundred thirty-nine thousand nine hundred sixty-six
Scientific notation
2.1139966 × 10^7
Engineering notation
2.1139966 × 10^6
Prime Factorization
2 × 71 × 148873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21139966
Product of the distinct prime numbers
The prime factorization of 21139966 is 2 × 71 × 148873.
Since it has a total of 3 prime factors.
1 , 2 , 78 , 14 , 677 , 656 , 2975 , 1348 , 17217 , 376 , 421937 , 306901 , 3059006 , 1602941 , 93818158 , 86871493 , 289386507 , 173866275 , 4673180522 , 1444050519
n×2
42279932
n×3
63419898
n×4
84559864
n×5
105699830
n÷2
10569983
n÷3
7046655.3333333
n÷3
5284991.5
n÷5
4227993.2
n2
446898162481156
n3
9.4474119603141E+21
n4
1.9971796762903E+29
n5
4.2220310452669E+36
2 √n
4597.8218756276
3 √n
276.50400625526
4 √n
67.807240584082
5 √n
29.175671261551
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139966 can be divided by 8 positive divisors.
The sum of these divisors (counting 21139966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001000111111110
3
Ternary
1110210000120201
4
Quaternary
1100221013332
5
Quinary
20402434331
6
Senary
2033034114
8
Octal
120510776
10
Decimal
21139966
12
Duodecimal
70b593a
16
Hexadecimal
14291fe
20
Vigesimal
6c29i6
36
Base36
cl3pa
md5
b75471b999300d19a037cfc18ee0c704
sha1
53bd3e1096aae9681b56a43496a4646cff2d3782
sha256
34792caace1e63b89e22f35826df377585fedde7616fb151ed3f824cdab5f337
sha512
bc8611e24ac3f2265725e3b7f3d02072c20066f14a2cedc7b5472d3ba683e67ac95ce20d9e324913964fcf2abbb4f2883a5bac0b4ab4920d93a7988fc91f8838
ripemd-160
984a4163fe6ee1f163771738b2ac00ff7833ab48
Diameter
42279932
Circumference
132826323.76548
Area
1.4039719841536E+15
Volume
3.9573226679946E+22
Surface area
5.6158879366143E+15
Circumference
132826323.76548
Perimeter
84559864
Area
446898162481156
Diagonal
29896426.625306
Surface area
2681388974886936
Volume
9.4474119603141E+21
Space diagonal
36615495.182279
Perimeter
63419898
Area
1.9351258080663E+14
Altitude
18307747.591139
Surface area
1.9351258080663E+14
Volume
1.1133881769668E+21
Height
9965475.5417687