21139974 is an even 8-digits composite number following 21139973
and preceding 21139975 . In scientific notation, it is written as 2.1139974 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6940296 positive integers (up to 21139974) that are relatively prime to 21139974.
21139974 has 16 divisors, whose sum is 33380928
The reverse of 21139974 is 47993112
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million one hundred thirty-nine thousand nine hundred seventy-four
Scientific notation
2.1139974 × 10^7
Engineering notation
2.1139974 × 10^6
Prime Factorization
2 × 27 × 67 × 5843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21139974
Product of the distinct prime numbers
The prime factorization of 21139974 is 2 × 27 × 67 × 5843.
Since it has a total of 4 prime factors.
4 , 1 , 11 , 10 , 352 , 864 , 1563 , 1333 , 1118 , 12051 , 100160 , 652490 , 995941 , 3956367 , 27122605 , 46998502 , 334294467 , 3861613 , 5356547924 , 6780791700
n×2
42279948
n×3
63419922
n×4
84559896
n×5
105699870
n÷2
10569987
n÷3
7046658
n÷3
5284993.5
n÷5
4227994.8
n2
446898500720676
n3
9.4474226858741E+21
n4
1.9971826994639E+29
n5
4.2220390339916E+36
2 √n
4597.8227456047
3 √n
276.50404113441
4 √n
67.807246999157
5 √n
29.175673469741
1 , 2 , 27 , 54 , 67 , 134 , 1809 , 3618 , 5843 , 11686 , 157761 , 315522 , 391481 , 782962 , 10569987 , 21139974
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
-21139973
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 21139974 can be divided by 16 positive divisors.
The sum of these divisors (counting 21139974) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101001001000000110
3
Ternary
1110210000121000
4
Quaternary
1100221020012
5
Quinary
20402434344
6
Senary
2033034130
8
Octal
120511006
10
Decimal
21139974
12
Duodecimal
70b5946
16
Hexadecimal
1429206
20
Vigesimal
6c29ie
36
Base36
cl3pi
md5
ba74c7287789226cbc963812a0e40c98
sha1
4ac8722a9fdc3a0be2e5d144769ad2d417be2176
sha256
b66c488d052c3960a4cc06a67fe3a3058cfd6e671855a09f05e5ceaff3cddcd8
sha512
5cc3f8ac623c3d4cd599f39d2d8a2e70ecfc3a93891b39e6f7620553575139b199267da430e34f91b8099015d5804c110dcc03dd352b19b580c2ce34db688008
ripemd-160
70d2a9682cd2860f097a4184c321751c8cacb4ff
Diameter
42279948
Circumference
132826374.03096
Area
1.4039730467644E+15
Volume
3.9573271607066E+22
Surface area
5.6158921870575E+15
Circumference
132826374.03096
Perimeter
84559896
Area
446898500720676
Diagonal
29896437.939015
Surface area
2681391004324056
Volume
9.4474226858741E+21
Space diagonal
36615509.038685
Perimeter
63419922
Area
1.9351272726864E+14
Altitude
18307754.519343
Surface area
1.9351272726864E+14
Volume
1.1133894409862E+21
Height
9965479.3130049