20142388 is an even 8-digits composite number following 20142387
and preceding 20142389 . In scientific notation, it is written as 2.0142388 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 8256864 positive integers (up to 20142388) that are relatively prime to 20142388.
20142388 has 24 divisors, whose sum is 42037632
The reverse of 20142388 is 88324102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-two thousand three hundred eighty-eight
Scientific notation
2.0142388 × 10^7
Engineering notation
2.0142388 × 10^6
Prime Factorization
2 × 2 × 7 × 23 × 31277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10071194
Product of the distinct prime numbers
The prime factorization of 20142388 is 2 × 2 × 7 × 23 × 31277.
Since it has a total of 5 prime factors.
6 , 2 , 15 , 32 , 991 , 873 , 4760 , 8570 , 85146 , 91266 , 8486 , 696419 , 9957083 , 3365482 , 40462839 , 65690694 , 988881574 , 405591085 , 1964971508 , 8810602311
n×2
40284776
n×3
60427164
n×4
80569552
n×5
100711940
n÷2
10071194
n÷3
6714129.3333333
n÷3
5035597
n÷5
4028477.6
n2
405715794342544
n3
8.1720849473757E+21
n4
1.64605305779E+29
n5
3.3155439358593E+36
2 √n
4488.0271835184
3 √n
272.08440647458
4 √n
66.992739782146
5 √n
28.894966247117
1 , 2 , 4 , 7 , 14 , 23 , 28 , 46 , 92 , 161 , 322 , 644 , 31277 , 62554 , 125108 , 218939 , 437878 , 719371 , 875756 , 1438742 , 2877484 , 5035597 , 10071194 , 20142388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20142387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20142388 can be divided by 24 positive divisors.
The sum of these divisors (counting 20142388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110101100100110100
3
Ternary
1101220100011101
4
Quaternary
1030311210310
5
Quinary
20124024023
6
Senary
1555415444
8
Octal
114654464
10
Decimal
20142388
12
Duodecimal
68b4584
16
Hexadecimal
1335934
20
Vigesimal
65hfj8
36
Base36
bzpys
md5
731cdcf7b2dd029af07bd301101e2ff3
sha1
d431a55478722261cef9fd92a891d2ca16206a25
sha256
33922f45509d9c27f27b3e74ab0dbaa247fefada6e683a26e57bc6548ea160fd
sha512
e001062da1151bf73b222fc232d00415b0c6c1c7ce3a9496b34c29d65dc4b1dfd3c631a8c89e7fd5112d43550a5ca65459bee18d483a3b1080b953042092ec51
ripemd-160
c72ad7bba4e8e2e5d578a0e7e5226b7db62f386a
Diameter
40284776
Circumference
126558356.33311
Area
1.2745937589519E+15
Volume
3.423114938025E+22
Surface area
5.0983750358075E+15
Circumference
126558356.33311
Perimeter
80569552
Area
405715794342544
Diagonal
28485638.288181
Surface area
2434294766055264
Volume
8.1720849473757E+21
Space diagonal
34887639.401766
Perimeter
60427164
Area
1.7568009230861E+14
Altitude
17443819.700883
Surface area
1.7568009230861E+14
Volume
9.6308944712031E+20
Height
9495212.762727