20138907 is an odd 8-digits composite number following 20138906
and preceding 20138908 . In scientific notation, it is written as 2.0138907 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13365288 positive integers (up to 20138907) that are relatively prime to 20138907.
20138907 has 8 divisors, whose sum is 26973184
The reverse of 20138907 is 70983102
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred thirty-eight thousand nine hundred seven
Scientific notation
2.0138907 × 10^7
Engineering notation
2.0138907 × 10^6
Prime Factorization
3 × 223 × 30103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138907
Product of the distinct prime numbers
The prime factorization of 20138907 is 3 × 223 × 30103.
Since it has a total of 3 prime factors.
6 , 10 , 22 , 17 , 284 , 399 , 6169 , 7884 , 54218 , 92146 , 657648 , 366278 , 1258049 , 3861469 , 67154377 , 22625029 , 242046831 , 182688990 , 5648953659 , 8029360849
n×2
40277814
n×3
60416721
n×4
80555628
n×5
100694535
n÷2
10069453.5
n÷3
6712969
n÷3
5034726.75
n÷5
4027781.4
n2
405575575154649
n3
8.167848789511E+21
n4
1.6449154716202E+29
n5
3.3126799705821E+36
2 √n
4487.6393571676
3 √n
272.06873172961
4 √n
66.989845179457
5 √n
28.893967454607
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138907 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101110011011
3
Ternary
1101220011101110
4
Quaternary
1030310232123
5
Quinary
20123421112
6
Senary
1555351403
8
Octal
114645633
10
Decimal
20138907
12
Duodecimal
68b2563
16
Hexadecimal
1334b9b
20
Vigesimal
65h757
36
Base36
bzna3
md5
5c162d4311b6ff64649d8ddf7dbbfafb
sha1
90a6fbcac10ad14bb995f15d9424da56c3548bf6
sha256
144994aad818f06196933867b9062a53054ebdb48a532e101efe7cf0fd54d696
sha512
f17c832759f793e43a4d8061724e79c2fe79398a10d45c8689ea758f1f46a4038f2464fce670c7df272b588f9f65dae98383f0e81e6701ba168762d141a5c183
ripemd-160
f53a768b035c7a691014f78e10080ad29f2e13ab
Diameter
40277814
Circumference
126536484.56506
Area
1.2741532473813E+15
Volume
3.421340500368E+22
Surface area
5.0966129895252E+15
Circumference
126536484.56506
Perimeter
80555628
Area
405575575154649
Diagonal
28480715.41077
Surface area
2433453450927894
Volume
8.167848789511E+21
Space diagonal
34881610.132905
Perimeter
60416721
Area
1.7561937561921E+14
Altitude
17440805.066452
Surface area
1.7561937561921E+14
Volume
9.6259021112826E+20
Height
9493571.8035902