20138980 is an even 8-digits composite number following 20138979
and preceding 20138981 . In scientific notation, it is written as 2.0138980 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8055584 positive integers (up to 20138980) that are relatively prime to 20138980.
20138980 has 12 divisors, whose sum is 42291900
The reverse of 20138980 is 08983102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand nine hundred eighty
Scientific notation
2.0138980 × 10^7
Engineering notation
2.0138980 × 10^6
Prime Factorization
2 × 2 × 5 × 1006949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069490
Product of the distinct prime numbers
The prime factorization of 20138980 is 2 × 2 × 5 × 1006949.
Since it has a total of 4 prime factors.
3 , 9 , 90 , 88 , 509 , 942 , 6583 , 1435 , 70662 , 18133 , 597703 , 307332 , 6901899 , 3777670 , 45855511 , 52971832 , 222005318 , 106198202 , 6018397789 , 6193638300
n×2
40277960
n×3
60416940
n×4
80555920
n×5
100694900
n÷2
10069490
n÷3
6712993.3333333
n÷3
5034745
n÷5
4027796
n2
405578515440400
n3
8.1679376108839E+21
n4
1.6449393218684E+29
n5
3.3127400104321E+36
2 √n
4487.6474906124
3 √n
272.069060463
4 √n
66.98990588598
5 √n
28.893988401688
1 , 2 , 4 , 5 , 10 , 20 , 1006949 , 2013898 , 4027796 , 5034745 , 10069490 , 20138980
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
-20138979
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 20138980 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101111100100
3
Ternary
1101220011111011
4
Quaternary
1030310233210
5
Quinary
20123421410
6
Senary
1555352004
8
Octal
114645744
10
Decimal
20138980
12
Duodecimal
68b2604
16
Hexadecimal
1334be4
20
Vigesimal
65h790
36
Base36
bznc4
md5
70c3ede9e6cec8e662707702f917c4c1
sha1
8b8b8d2a4b03cf96cd925ee9fdbf984b849b6346
sha256
e0915929c90981fdde83060f8263fcfb8288b8e4d4a94e8e6695becaea1ed544
sha512
7a628e9fbeec89c7f4192e31c38d49e309a63208e7bc29d9d776efabbadda1640e288daa73d1a0cacf1007c1f325e503cb7439434f94283bd12b4973b52217de
ripemd-160
4aa30d4e580aba46b171b310b01fcd741d22bc2d
Diameter
40277960
Circumference
126536943.23758
Area
1.2741624845614E+15
Volume
3.4213777057777E+22
Surface area
5.0966499382457E+15
Circumference
126536943.23758
Perimeter
80555920
Area
405578515440400
Diagonal
28480818.648361
Surface area
2433471092642400
Volume
8.1679376108839E+21
Space diagonal
34881736.572613
Perimeter
60416940
Area
1.7562064880028E+14
Altitude
17440868.286307
Surface area
1.7562064880028E+14
Volume
9.6260067882744E+20
Height
9493606.2161202