21139975 is an odd 8-digits composite number following 21139974
and preceding 21139976 . In scientific notation, it is written as 2.1139975 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16911960 positive integers (up to 21139975) that are relatively prime to 21139975.
21139975 has 4 divisors, whose sum is 21985600
The reverse of 21139975 is 57993112
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million one hundred thirty-nine thousand nine hundred seventy-five
Scientific notation
2.1139975 × 10^7
Engineering notation
2.1139975 × 10^6
Prime Factorization
25 × 845599
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21139975
Product of the distinct prime numbers
The prime factorization of 21139975 is 25 × 845599.
Since it has a total of 2 prime factors.
7 , 2 , 20 , 12 , 625 , 956 , 8168 , 4306 , 78976 , 36357 , 358468 , 675283 , 325450 , 7582936 , 98911091 , 21458144 , 124373042 , 463497102 , 6811087920 , 1412945268
n×2
42279950
n×3
63419925
n×4
84559900
n×5
105699875
n÷2
10569987.5
n÷3
7046658.3333333
n÷3
5284993.75
n÷5
4227995
n2
446898543000625
n3
9.4474240265696E+21
n4
1.9971830773608E+29
n5
4.2220400325831E+36
2 √n
4597.8228543518
3 √n
276.5040454943
4 √n
67.807247801041
5 √n
29.175673745765
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139975 can be divided by 4 positive divisors.
The sum of these divisors (counting 21139975) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101001001000000111
3
Ternary
1110210000121001
4
Quaternary
1100221020013
5
Quinary
20402434400
6
Senary
2033034131
8
Octal
120511007
10
Decimal
21139975
12
Duodecimal
70b5947
16
Hexadecimal
1429207
20
Vigesimal
6c29if
36
Base36
cl3pj
md5
37bb8f6401a869838d45811d5ff90e90
sha1
70334f4cd8a927fbcb1296862dbefce65924ad05
sha256
cc7ad055d10894e72d1faf10f571bd409e5afa396c03e9d2582dc49993706641
sha512
e752e5ed021be5a7bb1080419e0a17ee9f40d1c28bcf82dec298926a24ef338118e420396b4650277be4bdb48a8641feea29ea024859e5e06aedc2c2c8aa503e
ripemd-160
36d86170dab37886ec6cfec3a0634b69ea6d26e3
Diameter
42279950
Circumference
132826380.31414
Area
1.4039731795907E+15
Volume
3.9573277222958E+22
Surface area
5.615892718363E+15
Circumference
132826380.31414
Perimeter
84559900
Area
446898543000625
Diagonal
29896439.353228
Surface area
2681391258003750
Volume
9.4474240265696E+21
Space diagonal
36615510.770736
Perimeter
63419925
Area
1.935127455764E+14
Altitude
18307755.385368
Surface area
1.935127455764E+14
Volume
1.1133895989887E+21
Height
9965479.7844094