20138912 is an even 8-digits composite number following 20138911
and preceding 20138913 . In scientific notation, it is written as 2.0138912 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 12 positive divisors.
There are 10069440 positive integers (up to 20138912) that are relatively prime to 20138912.
20138912 has 12 divisors, whose sum is 39648546
The reverse of 20138912 is 21983102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand nine hundred twelve
Scientific notation
2.0138912 × 10^7
Engineering notation
2.0138912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 629341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1258682
Product of the distinct prime numbers
The prime factorization of 20138912 is 2 × 2 × 2 × 2 × 2 × 629341.
Since it has a total of 6 prime factors.
7 , 4 , 59 , 63 , 210 , 526 , 8126 , 9151 , 49974 , 81380 , 122288 , 813343 , 5796039 , 6253716 , 17196030 , 75534644 , 915317742 , 785654943 , 5492325920 , 6779586395
n×2
40277824
n×3
60416736
n×4
80555648
n×5
100694560
n÷2
10069456
n÷3
6712970.6666667
n÷3
5034728
n÷5
4027782.4
n2
405575776543744
n3
8.1678548731461E+21
n4
1.6449171051906E+29
n5
3.3126840828728E+36
2 √n
4487.6399142534
3 √n
272.06875424562
4 √n
66.989849337443
5 √n
28.893968889341
1 , 2 , 4 , 8 , 16 , 32 , 629341 , 1258682 , 2517364 , 5034728 , 10069456 , 20138912
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
-20138911
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 20138912 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138912) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101110100000
3
Ternary
1101220011101122
4
Quaternary
1030310232200
5
Quinary
20123421122
6
Senary
1555351412
8
Octal
114645640
10
Decimal
20138912
12
Duodecimal
68b2568
16
Hexadecimal
1334ba0
20
Vigesimal
65h75c
36
Base36
bzna8
md5
9effe70ab8989421f0a4fba94d8a75a8
sha1
20aed288be7b8db79bde66ee4d71565851291113
sha256
c82e36ef1673b51067d591ab4c9fc43f9dc787d43d20165f250a57d3bd578e48
sha512
dce7d26d2104c86baba24bf92c5ec8ba58a45424a383512dae331e5d48f5be6956a2b65739708e39043bdb55b6c8a4a033631d073c84ef428386f787d071ae4b
ripemd-160
c801208e0c78d2fd29daf4df8ac87cee17c6fbf8
Diameter
40277824
Circumference
126536515.98098
Area
1.2741538800638E+15
Volume
3.4213430486751E+22
Surface area
5.0966155202552E+15
Circumference
126536515.98098
Perimeter
80555648
Area
405575776543744
Diagonal
28480722.481838
Surface area
2433454659262464
Volume
8.1678548731461E+21
Space diagonal
34881618.793159
Perimeter
60416736
Area
1.7561946282324E+14
Altitude
17440809.396579
Surface area
1.7561946282324E+14
Volume
9.6259092809154E+20
Height
9493574.1606128