21139941 is an odd 8-digits composite number following 21139940
and preceding 21139942 . In scientific notation, it is written as 2.1139941 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 14093292 positive integers (up to 21139941) that are relatively prime to 21139941.
21139941 has 4 divisors, whose sum is 28186592
The reverse of 21139941 is 14993112
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred thirty-nine thousand nine hundred forty-one
Scientific notation
2.1139941 × 10^7
Engineering notation
2.1139941 × 10^6
Prime Factorization
3 × 7046647
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21139941
Product of the distinct prime numbers
The prime factorization of 21139941 is 3 × 7046647.
Since it has a total of 2 prime factors.
9 , 2 , 67 , 20 , 237 , 971 , 3937 , 7428 , 46965 , 53974 , 164852 , 147436 , 9570517 , 1869383 , 10556114 , 68030527 , 601222334 , 932641032 , 962365140 , 9462540907
n×2
42279882
n×3
63419823
n×4
84559764
n×5
105699705
n÷2
10569970.5
n÷3
7046647
n÷3
5284985.25
n÷5
4227988.2
n2
446897105483481
n3
9.4473784429916E+21
n4
1.9971702288951E+29
n5
4.22200608058E+36
2 √n
4597.8191569482
3 √n
276.50389725788
4 √n
67.807220536962
5 √n
29.175664360952
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
-21139940
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 21139941 can be divided by 4 positive divisors.
The sum of these divisors (counting 21139941) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101001000111100101
3
Ternary
1110210000112210
4
Quaternary
1100221013211
5
Quinary
20402434231
6
Senary
2033034033
8
Octal
120510745
10
Decimal
21139941
12
Duodecimal
70b5919
16
Hexadecimal
14291e5
20
Vigesimal
6c29h1
36
Base36
cl3ol
md5
af7b7339055d85c6509f168e1520fae2
sha1
82ff2828094c84bb11562387eec9fd3c5f688fed
sha256
9d35b5156d0b2c79dc2b1f791a12b1e7bb8456869cdd11e4f3d8e363fcb96dd8
sha512
fde4d17a1da20da8d639569d17593c9f9affdf082e5542df15c225f6625a8f596772d7682c143b6d75f742988887228bcdf466c961f038ad92631a91ae22c580
ripemd-160
fbde24f88f16693256b292b1873862d397f30b47
Diameter
42279882
Circumference
132826166.68584
Area
1.4039686634974E+15
Volume
3.9573086282913E+22
Surface area
5.6158746539898E+15
Circumference
132826166.68584
Perimeter
84559764
Area
446897105483481
Diagonal
29896391.269967
Surface area
2681382632900886
Volume
9.4473784429916E+21
Space diagonal
36615451.881008
Perimeter
63419823
Area
1.9351212311321E+14
Altitude
18307725.940504
Surface area
1.9351212311321E+14
Volume
1.1133842269125E+21
Height
9965463.7566557