21121142 is an even 8-digits composite number following 21121141
and preceding 21121143 . In scientific notation, it is written as 2.1121142 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors.
There are 8859048 positive integers (up to 21121142) that are relatively prime to 21121142.
21121142 has 16 divisors, whose sum is 36979200
The reverse of 21121142 is 24112112
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million one hundred twenty-one thousand one hundred forty-two
Scientific notation
2.1121142 × 10^7
Engineering notation
2.1121142 × 10^6
Prime Factorization
2 × 7 × 47 × 32099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21121142
Product of the distinct prime numbers
The prime factorization of 21121142 is 2 × 7 × 47 × 32099.
Since it has a total of 4 prime factors.
6 , 7 , 62 , 28 , 965 , 652 , 848 , 2580 , 93653 , 90592 , 84205 , 663228 , 7928987 , 43440 , 32362931 , 74253979 , 962241715 , 993845744 , 639161332 , 7527584807
n×2
42242284
n×3
63363426
n×4
84484568
n×5
105605710
n÷2
10560571
n÷3
7040380.6666667
n÷3
5280285.5
n÷5
4224228.4
n2
446102639384164
n3
9.4221971930077E+21
n4
1.9900756486552E+29
n5
4.2032670365988E+36
2 √n
4595.7743634778
3 √n
276.42191124659
4 √n
67.792140868082
5 √n
29.170473537442
1 , 2 , 7 , 14 , 47 , 94 , 329 , 658 , 32099 , 64198 , 224693 , 449386 , 1508653 , 3017306 , 10560571 , 21121142
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
-21121141
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 21121142 can be divided by 16 positive divisors.
The sum of these divisors (counting 21121142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100100100001110110
3
Ternary
1110202001202112
4
Quaternary
1100210201312
5
Quinary
20401334032
6
Senary
2032411022
8
Octal
120444166
10
Decimal
21121142
12
Duodecimal
70a6a72
16
Hexadecimal
1424876
20
Vigesimal
6c02h2
36
Base36
ckp6e
md5
708d5c6e891f0955694d25bf83bb131f
sha1
df702969d06a02094553d1b929ffdfb6eaee80eb
sha256
ba83e98deee0f072009750fe6a0dba227ba9b18312cb4df5c790f8c574fa5634
sha512
2d4c013e9cd1209f36d7359a9f56a56e4b2dcf8fa9da897dce8c8a7a7a51324ca3dd0166937b2ca30e6e441835f0a9de0ff2deda49f8db86afd3ab2356921396
ripemd-160
fc818eb7f0a16a484897247df8b7169b907a9610
Diameter
42242284
Circumference
132708049.08525
Area
1.4014727746363E+15
Volume
3.9467607309637E+22
Surface area
5.6058910985452E+15
Circumference
132708049.08525
Perimeter
84484568
Area
446102639384164
Diagonal
29869805.469208
Surface area
2676615836304984
Volume
9.4221971930077E+21
Space diagonal
36582891.057877
Perimeter
63363426
Area
1.9316810920099E+14
Altitude
18291445.528938
Surface area
1.9316810920099E+14
Volume
1.1104165881421E+21
Height
9956601.8230693