21142810 is an even 8-digits composite number following 21142809
and preceding 21142811 . In scientific notation, it is written as 2.1142810 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors.
There are 7725888 positive integers (up to 21142810) that are relatively prime to 21142810.
21142810 has 32 divisors, whose sum is 41408640
The reverse of 21142810 is 01824112
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million one hundred forty-two thousand eight hundred ten
Scientific notation
2.1142810 × 10^7
Engineering notation
2.1142810 × 10^6
Prime Factorization
2 × 5 × 13 × 103 × 1579
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21142810
Product of the distinct prime numbers
The prime factorization of 21142810 is 2 × 5 × 13 × 103 × 1579.
Since it has a total of 5 prime factors.
3 , 8 , 15 , 85 , 691 , 697 , 2281 , 5769 , 40130 , 57081 , 606263 , 278310 , 3116157 , 5335251 , 53367741 , 31101614 , 413051880 , 263401207 , 3296920311 , 6935113994
n×2
42285620
n×3
63428430
n×4
84571240
n×5
105714050
n÷2
10571405
n÷3
7047603.3333333
n÷3
5285702.5
n÷5
4228562
n2
447018414696100
n3
9.4512254084209E+21
n4
1.9982546307741E+29
n5
4.2248717990078E+36
2 √n
4598.1311421055
3 √n
276.51640523661
4 √n
67.809521028433
5 √n
29.176456231065
1 , 2 , 5 , 10 , 13 , 26 , 65 , 103 , 130 , 206 , 515 , 1030 , 1339 , 1579 , 2678 , 3158 , 6695 , 7895 , 13390 , 15790 , 20527 , 41054 , 102635 , 162637 , 205270 , 325274 , 813185 , 1626370 , 2114281 , 4228562 , 10571405 , 21142810
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21142809
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21142810 can be divided by 32 positive divisors.
The sum of these divisors (counting 21142810) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101001110100011010
3
Ternary
1110210011111001
4
Quaternary
1100221310122
5
Quinary
20403032220
6
Senary
2033055214
8
Octal
120516432
10
Decimal
21142810
12
Duodecimal
70b750a
16
Hexadecimal
1429d1a
20
Vigesimal
6c2h0a
36
Base36
cl5wa
md5
7653c01c4b557323ae734c7596d4cec9
sha1
f386c318322716eab67fdfbdf0c422220833aba5
sha256
1297d48885e26a8e377999c7160a6a6da79a0c4ea171167c8962d2ffe3d326e1
sha512
51f80fa3bbb2ca9158addd381eb6c7e1874cffc6e2c1150f0867502737860dedd893688e431e8cccd6117269a6a27e5fe9442f21e5f2ad10369d6ed5e7b230ef
ripemd-160
36b2ebf1159ae8fdb5d8e6b1800ea4cc61eaa4d5
Diameter
42285620
Circumference
132844193.14449
Area
1.4043497676286E+15
Volume
3.9589200414022E+22
Surface area
5.6173990705145E+15
Circumference
132844193.14449
Perimeter
84571240
Area
447018414696100
Diagonal
29900448.648677
Surface area
2682110488176600
Volume
9.4512254084209E+21
Space diagonal
36620421.134775
Perimeter
63428430
Area
1.9356465154313E+14
Altitude
18310210.567388
Surface area
1.9356465154313E+14
Volume
1.1138375961362E+21
Height
9966816.2162258