20112988 is an even 8-digits composite number following 20112987
and preceding 20112989 . In scientific notation, it is written as 2.0112988 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8619840 positive integers (up to 20112988) that are relatively prime to 20112988.
20112988 has 12 divisors, whose sum is 40226032
The reverse of 20112988 is 88921102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred twelve thousand nine hundred eighty-eight
Scientific notation
2.0112988 × 10^7
Engineering notation
2.0112988 × 10^6
Prime Factorization
2 × 2 × 7 × 718321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10056494
Product of the distinct prime numbers
The prime factorization of 20112988 is 2 × 2 × 7 × 718321.
Since it has a total of 4 prime factors.
6 , 5 , 25 , 79 , 745 , 286 , 5566 , 5649 , 20783 , 27268 , 104311 , 533435 , 4170963 , 9014186 , 31202142 , 65852105 , 738851165 , 406445916 , 3074308753 , 6540750741
n×2
40225976
n×3
60338964
n×4
80451952
n×5
100564940
n÷2
10056494
n÷3
6704329.3333333
n÷3
5028247
n÷5
4022597.6
n2
404532286288144
n3
8.136353019726E+21
n4
1.6364637064951E+29
n5
3.2914174891172E+36
2 √n
4484.750606221
3 √n
271.95196311435
4 √n
66.968280597765
5 √n
28.886526250584
1 , 2 , 4 , 7 , 14 , 28 , 718321 , 1436642 , 2873284 , 5028247 , 10056494 , 20112988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20112987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20112988 can be divided by 12 positive divisors.
The sum of these divisors (counting 20112988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101110011001011100
3
Ternary
1101211211211111
4
Quaternary
1030232121130
5
Quinary
20122103423
6
Senary
1555031404
8
Octal
114563134
10
Decimal
20112988
12
Duodecimal
689b564
16
Hexadecimal
132e65c
20
Vigesimal
65e298
36
Base36
bz3a4
md5
09a58edc71b0b92d5d4d5568a3faf895
sha1
004df2b2d2b1697334f7731362c472f0d6c0f589
sha256
0cc7a8e0fe3e2eeae4f09e8eb37ebaf4e66a612f566fa7b196f0cf85db3ecc08
sha512
39e321954b60c2f611b2b89085a85057e6be47e0c86ea6659a016ce45de3b41a0f463531949acc8d49be69b2bf611ba02c2f579b671465595d6b13a4a9f5d760
ripemd-160
8220ea41e11afe07fd28a07c511798e5decd9bb6
Diameter
40225976
Circumference
126373630.68508
Area
1.2708756587427E+15
Volume
3.4081475831712E+22
Surface area
5.0835026349709E+15
Circumference
126373630.68508
Perimeter
80451952
Area
404532286288144
Diagonal
28444060.409447
Surface area
2427193717728864
Volume
8.136353019726E+21
Space diagonal
34836717.108023
Perimeter
60338964
Area
1.7516761828827E+14
Altitude
17418358.554012
Surface area
1.7516761828827E+14
Volume
9.5887839906265E+20
Height
9481353.4698158