21139937 is an odd 8-digits composite number following 21139936
and preceding 21139938 . In scientific notation, it is written as 2.1139937 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 16726032 positive integers (up to 21139937) that are relatively prime to 21139937.
21139937 has 8 divisors, whose sum is 26018496
The reverse of 21139937 is 73993112
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million one hundred thirty-nine thousand nine hundred thirty-seven
Scientific notation
2.1139937 × 10^7
Engineering notation
2.1139937 × 10^6
Prime Factorization
13 × 7 × 232307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21139937
Product of the distinct prime numbers
The prime factorization of 21139937 is 13 × 7 × 232307.
Since it has a total of 3 prime factors.
2 , 1 , 42 , 25 , 76 , 722 , 7706 , 1475 , 21260 , 35238 , 442975 , 192353 , 96000 , 210851 , 97713250 , 91426349 , 808016027 , 636127911 , 6936947157 , 7297764775
n×2
42279874
n×3
63419811
n×4
84559748
n×5
105699685
n÷2
10569968.5
n÷3
7046645.6666667
n÷3
5284984.25
n÷5
4227987.4
n2
446896936363969
n3
9.4473730802273E+21
n4
1.997168717315E+29
n5
4.222002086241E+36
2 √n
4597.8187219594
3 √n
276.50387981829
4 √n
67.807217329421
5 √n
29.175663256855
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
-21139936
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 21139937 can be divided by 8 positive divisors.
The sum of these divisors (counting 21139937) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001000111100001
3
Ternary
1110210000112122
4
Quaternary
1100221013201
5
Quinary
20402434222
6
Senary
2033034025
8
Octal
120510741
10
Decimal
21139937
12
Duodecimal
70b5915
16
Hexadecimal
14291e1
20
Vigesimal
6c29gh
36
Base36
cl3oh
md5
7be8380a01d773b653bff79a1185e4d7
sha1
a808ce22d065bc00e6b7754e57f273faa15a506d
sha256
b702a826dde0d39f1dc0b357b3d7e7040376da89c7d2c0a3828f1b11a42b76ef
sha512
a1f0b3e7c651c447dbcdb524b03d5e5509ae5182828949c4f5f46d98828208b1d4302ab7db2528d6e854356dc31c296d20ae46f1e1598b0540fb600abc9eada8
ripemd-160
4da3f2a5ee23745e6ca4465849c58ee243a9cc10
Diameter
42279874
Circumference
132826141.5531
Area
1.4039681321928E+15
Volume
3.9573063819419E+22
Surface area
5.6158725287713E+15
Circumference
132826141.5531
Perimeter
84559748
Area
446896936363969
Diagonal
29896385.613113
Surface area
2681381618183814
Volume
9.4473730802273E+21
Space diagonal
36615444.952805
Perimeter
63419811
Area
1.9351204988232E+14
Altitude
18307722.476403
Surface area
1.9351204988232E+14
Volume
1.1133835949047E+21
Height
9965461.8710376