20148639 is an odd 8-digits composite number following 20148638
and preceding 20148640 . In scientific notation, it is written as 2.0148639 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11007360 positive integers (up to 20148639) that are relatively prime to 20148639.
20148639 has 16 divisors, whose sum is 22058784
The reverse of 20148639 is 93684102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-eight thousand six hundred thirty-nine
Scientific notation
2.0148639 × 10^7
Engineering notation
2.0148639 × 10^6
Prime Factorization
21 × 43 × 53 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20148639
Product of the distinct prime numbers
The prime factorization of 20148639 is 21 × 43 × 53 × 421.
Since it has a total of 4 prime factors.
5 , 3 , 86 , 38 , 881 , 374 , 1026 , 2571 , 60583 , 25423 , 377755 , 496217 , 7201836 , 6290512 , 42820383 , 99416730 , 77989681 , 406411471 , 1233515721 , 8669195373
n×2
40297278
n×3
60445917
n×4
80594556
n×5
100743195
n÷2
10074319.5
n÷3
6716213
n÷3
5037159.75
n÷5
4029727.8
n2
405967653552321
n3
8.1796956971028E+21
n4
1.6480973573078E+29
n5
3.3206918689248E+36
2 √n
4488.7235379337
3 √n
272.11254983925
4 √n
66.997936818485
5 √n
28.896759480535
1 , 21 , 43 , 53 , 421 , 903 , 1113 , 2279 , 8841 , 18103 , 22313 , 47859 , 380163 , 468573 , 959459 , 20148639
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
-20148638
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 20148639 can be divided by 16 positive divisors.
The sum of these divisors (counting 20148639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111000110011111
3
Ternary
1101220122201220
4
Quaternary
1030313012133
5
Quinary
20124224024
6
Senary
1555504423
8
Octal
114670637
10
Decimal
20148639
12
Duodecimal
68b8113
16
Hexadecimal
133719f
20
Vigesimal
65ibbj
36
Base36
bzusf
md5
7a930ee4d075383c2fe9fab3bd26526a
sha1
b0f92896ca990f722fb6366d7044fac7e1c06bf9
sha256
0cc5e1996b94dde7c50418093969228699e551199b98cd06f312fa8b0d29cbda
sha512
52c54fb07c2d7e826059b32af31a2f8199a8dfbcc8192dfb6927a8c1dc304ec8fa32a8bd2bc94127531e49202423a989b2652c23e9b29c76024c3aa0ad56d38c
ripemd-160
3103cbcaaa0cbb97a5e8567359fd231e5674d89b
Diameter
40297278
Circumference
126597632.52447
Area
1.2753849979951E+15
Volume
3.4263029214158E+22
Surface area
5.1015399919802E+15
Circumference
126597632.52447
Perimeter
80594556
Area
405967653552321
Diagonal
28494478.537159
Surface area
2435805921313926
Volume
8.1796956971028E+21
Space diagonal
34898466.451364
Perimeter
60445917
Area
1.7578915054553E+14
Altitude
17449233.225682
Surface area
1.7578915054553E+14
Volume
9.639863825773E+20
Height
9498159.5123865