21139958 is an even 8-digits composite number following 21139957
and preceding 21139959 . In scientific notation, it is written as 2.1139958 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 9059976 positive integers (up to 21139958) that are relatively prime to 21139958.
21139958 has 8 divisors, whose sum is 36239952
The reverse of 21139958 is 85993112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million one hundred thirty-nine thousand nine hundred fifty-eight
Scientific notation
2.1139958 × 10^7
Engineering notation
2.1139958 × 10^6
Prime Factorization
2 × 7 × 1509997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21139958
Product of the distinct prime numbers
The prime factorization of 21139958 is 2 × 7 × 1509997.
Since it has a total of 3 prime factors.
6 , 9 , 86 , 94 , 553 , 111 , 2046 , 6867 , 24279 , 2520 , 584051 , 167507 , 40370 , 3261510 , 22929280 , 39498624 , 491535193 , 115639294 , 297581962 , 2918481015
n×2
42279916
n×3
63419874
n×4
84559832
n×5
105699790
n÷2
10569979
n÷3
7046652.6666667
n÷3
5284989.5
n÷5
4227991.6
n2
446897824241764
n3
9.4474012347623E+21
n4
1.9971766531202E+29
n5
4.2220230565542E+36
2 √n
4597.8210056504
3 √n
276.50397137611
4 √n
67.807234169006
5 √n
29.17566905336
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
-21139957
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 21139958 can be divided by 8 positive divisors.
The sum of these divisors (counting 21139958) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001000111110110
3
Ternary
1110210000120102
4
Quaternary
1100221013312
5
Quinary
20402434313
6
Senary
2033034102
8
Octal
120510766
10
Decimal
21139958
12
Duodecimal
70b5932
16
Hexadecimal
14291f6
20
Vigesimal
6c29hi
36
Base36
cl3p2
md5
078e58ed62c336e7e2d5aff9b79e0f09
sha1
34fe2a981e8fc9be330374f29fe6c1421de4dc02
sha256
4da7817f17f74e523b82301c9d018af6655a2212164d386e5e6b117ad14ce22a
sha512
a572d1bd9b8cffb8800903e42647b3a086f379528859956a28a49f83e91a656ed79c3c8250d1b627dde5f22be25cfba91c2cf15077a0ed7a64ac86961aae8413
ripemd-160
e809ce3eb99d4f21536bf7718303a74910fcb5e9
Diameter
42279916
Circumference
132826273.49999
Area
1.4039709215432E+15
Volume
3.9573181752859E+22
Surface area
5.6158836861728E+15
Circumference
132826273.49999
Perimeter
84559832
Area
446897824241764
Diagonal
29896415.311598
Surface area
2681386945450584
Volume
9.4474012347623E+21
Space diagonal
36615481.325872
Perimeter
63419874
Area
1.9351243434468E+14
Altitude
18307740.662936
Surface area
1.9351243434468E+14
Volume
1.1133869129484E+21
Height
9965471.7705325