20151438 is an even 8-digits composite number following 20151437
and preceding 20151439 . In scientific notation, it is written as 2.0151438 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 6226560 positive integers (up to 20151438) that are relatively prime to 20151438.
20151438 has 32 divisors, whose sum is 43338240
The reverse of 20151438 is 83415102
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred fifty-one thousand four hundred thirty-eight
Scientific notation
2.0151438 × 10^7
Engineering notation
2.0151438 × 10^6
Prime Factorization
2 × 3 × 19 × 47 × 3761
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20151438
Product of the distinct prime numbers
The prime factorization of 20151438 is 2 × 3 × 19 × 47 × 3761.
Since it has a total of 5 prime factors.
6 , 8 , 11 , 52 , 468 , 547 , 4035 , 1538 , 42919 , 27652 , 796967 , 983234 , 9886818 , 9950780 , 60249618 , 32162339 , 573272679 , 128056621 , 3314524604 , 1663935455
n×2
40302876
n×3
60454314
n×4
80605752
n×5
100757190
n÷2
10075719
n÷3
6717146
n÷3
5037859.5
n÷5
4030287.6
n2
406080453467844
n3
8.1831050810691E+21
n4
1.6490133468865E+29
n5
3.3229990220956E+36
2 √n
4489.0353083931
3 √n
272.1251496607
4 √n
67.000263494953
5 √n
28.897562289458
1 , 2 , 3 , 6 , 19 , 38 , 47 , 57 , 94 , 114 , 141 , 282 , 893 , 1786 , 2679 , 3761 , 5358 , 7522 , 11283 , 22566 , 71459 , 142918 , 176767 , 214377 , 353534 , 428754 , 530301 , 1060602 , 3358573 , 6717146 , 10075719 , 20151438
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
-20151437
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 20151438 can be divided by 32 positive divisors.
The sum of these divisors (counting 20151438) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110111110010001110
3
Ternary
1101220210120120
4
Quaternary
1030313302032
5
Quinary
20124321223
6
Senary
1555525410
8
Octal
114676216
10
Decimal
20151438
12
Duodecimal
68b9866
16
Hexadecimal
1337c8e
20
Vigesimal
65iibi
36
Base36
bzwy6
md5
34f88ba69d321a32727f84e5803abb20
sha1
3ef01ea6a3c5dead1e4304f48e442cda43ca93b3
sha256
62848ccb4e1755520518bbf13aa4e3f520aea75bd844c5a0aba21b41723426b0
sha512
d0aa63dc026204ce36ea9a397745d2f3d8e74ba076f722ca70750083465babf0d4c00751a6a365e14e2c13697a63613a9fed42dc6bdabcf25b9b47d8e26fe9e8
ripemd-160
d2aa01557ba334334c43257d98c05b10f2525a82
Diameter
40302876
Circumference
126615219.16014
Area
1.275739369381E+15
Volume
3.427731040832E+22
Surface area
5.102957477524E+15
Circumference
126615219.16014
Perimeter
80605752
Area
406080453467844
Diagonal
28498436.920921
Surface area
2436482720807064
Volume
8.1831050810691E+21
Space diagonal
34903314.461574
Perimeter
60454314
Area
1.7583799434173E+14
Altitude
17451657.230787
Surface area
1.7583799434173E+14
Volume
9.6438818233101E+20
Height
9499478.9736402