20123878 is an even 8-digits composite number following 20123877
and preceding 20123879 . In scientific notation, it is written as 2.0123878 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10061938 positive integers (up to 20123878) that are relatively prime to 20123878.
20123878 has 4 divisors, whose sum is 30185820
The reverse of 20123878 is 87832102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred twenty-three thousand eight hundred seventy-eight
Scientific notation
2.0123878 × 10^7
Engineering notation
2.0123878 × 10^6
Prime Factorization
2 × 10061939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123878
Product of the distinct prime numbers
The prime factorization of 20123878 is 2 × 10061939.
Since it has a total of 2 prime factors.
7 , 10 , 94 , 18 , 336 , 638 , 9475 , 6552 , 19283 , 91687 , 64111 , 885042 , 3105105 , 7960418 , 56252821 , 73925477 , 571839758 , 704969926 , 2494246613 , 5376568410
n×2
40247756
n×3
60371634
n×4
80495512
n×5
100619390
n÷2
10061939
n÷3
6707959.3333333
n÷3
5030969.5
n÷5
4024775.6
n2
404970465758884
n3
8.149576246535E+21
n4
1.6400107813697E+29
n5
3.3003376882968E+36
2 √n
4485.9645562577
3 √n
272.00103625614
4 √n
66.97734360407
5 √n
28.889653644322
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123877
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123878 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123878) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001000011100110
3
Ternary
1101212101202211
4
Quaternary
1030301003212
5
Quinary
20122431003
6
Senary
1555154034
8
Octal
114610346
10
Decimal
20123878
12
Duodecimal
68a591a
16
Hexadecimal
13310e6
20
Vigesimal
65f9di
36
Base36
bzbom
md5
faa72c3b172fa568a14e6650a9a32501
sha1
3f62cd5e212d05d2918bac34c2519ba8da38dc12
sha256
c8323f231abadbe47335d2735e95f9f2f8760ea528fc0bbc8ec4c0c9ca244b41
sha512
737bd5ccac92d46768dbf797bb34400929a3bf28a5ccd9fc0f1ef7243ad867d103bdcfee18a532ac730bde5385d8762ea504687b90080adc49e7ac7a1f29e1aa
ripemd-160
ea55569fc74ebec73abed6b35fe9a26f268ea0ed
Diameter
40247756
Circumference
126442054.57307
Area
1.2722522401489E+15
Volume
3.4136865154645E+22
Surface area
5.0890089605958E+15
Circumference
126442054.57307
Perimeter
80495512
Area
404970465758884
Diagonal
28459461.195142
Surface area
2429822794553304
Volume
8.149576246535E+21
Space diagonal
34855579.141318
Perimeter
60371634
Area
1.753573555648E+14
Altitude
17427789.570659
Surface area
1.753573555648E+14
Volume
9.6043677128695E+20
Height
9486487.0650472