20123870 is an even 8-digits composite number following 20123869
and preceding 20123871 . In scientific notation, it is written as 2.0123870 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 7430304 positive integers (up to 20123870) that are relatively prime to 20123870.
20123870 has 16 divisors, whose sum is 39009600
The reverse of 20123870 is 07832102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-three thousand eight hundred seventy
Scientific notation
2.0123870 × 10^7
Engineering notation
2.0123870 × 10^6
Prime Factorization
2 × 5 × 13 × 154799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123870
Product of the distinct prime numbers
The prime factorization of 20123870 is 2 × 5 × 13 × 154799.
Since it has a total of 4 prime factors.
4 , 3 , 34 , 24 , 639 , 999 , 3899 , 7091 , 16800 , 13904 , 965207 , 125290 , 5461541 , 6146441 , 71548702 , 57617469 , 108949714 , 317894817 , 9205634448 , 5057321568
n×2
40247740
n×3
60371610
n×4
80495480
n×5
100619350
n÷2
10061935
n÷3
6707956.6666667
n÷3
5030967.5
n÷5
4024774
n2
404970143776900
n3
8.1495665272476E+21
n4
1.6400081735068E+29
n5
3.3003311282589E+36
2 √n
4485.9636645876
3 √n
272.00100021258
4 √n
66.977336947564
5 √n
28.889651347377
1 , 2 , 5 , 10 , 13 , 26 , 65 , 130 , 154799 , 309598 , 773995 , 1547990 , 2012387 , 4024774 , 10061935 , 20123870
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
-20123869
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 20123870 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000011011110
3
Ternary
1101212101202112
4
Quaternary
1030301003132
5
Quinary
20122430440
6
Senary
1555154022
8
Octal
114610336
10
Decimal
20123870
12
Duodecimal
68a5912
16
Hexadecimal
13310de
20
Vigesimal
65f9da
36
Base36
bzboe
md5
ed4f29c7898a51cc1d0f3ccef6cab032
sha1
b43dbf74eec6f1a3e5aa26b26f9eb963ff31a1b7
sha256
966fe3b23d53c95f2222373ed29160d639dd15506b1e699a348a7a159090f1a3
sha512
32e04455f06acee7d621da0254cd25b8265f02852cd331d24c09d9ea553bdc8a4aeddeb962684f34de380b2389d017ada8c2d6043664e8015251905ba50c07e9
ripemd-160
389996d5771ceffcc196bc250947b1b631401359
Diameter
40247740
Circumference
126442004.30759
Area
1.2722512286127E+15
Volume
3.413682444259E+22
Surface area
5.0890049144508E+15
Circumference
126442004.30759
Perimeter
80495480
Area
404970143776900
Diagonal
28459449.881433
Surface area
2429820862661400
Volume
8.1495665272476E+21
Space diagonal
34855565.284911
Perimeter
60371610
Area
1.7535721614252E+14
Altitude
17427782.642456
Surface area
1.7535721614252E+14
Volume
9.6043562585795E+20
Height
9486483.293811