20123978 is an even 8-digits composite number following 20123977
and preceding 20123979 . In scientific notation, it is written as 2.0123978 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8624556 positive integers (up to 20123978) that are relatively prime to 20123978.
20123978 has 8 divisors, whose sum is 34498272
The reverse of 20123978 is 87932102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred twenty-three thousand nine hundred seventy-eight
Scientific notation
2.0123978 × 10^7
Engineering notation
2.0123978 × 10^6
Prime Factorization
2 × 7 × 1437427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20123978
Product of the distinct prime numbers
The prime factorization of 20123978 is 2 × 7 × 1437427.
Since it has a total of 3 prime factors.
7 , 3 , 25 , 74 , 350 , 20 , 9978 , 6194 , 39308 , 6578 , 871061 , 357191 , 4363015 , 3609071 , 24449277 , 10385258 , 314140776 , 943860895 , 7183328667 , 9405439035
n×2
40247956
n×3
60371934
n×4
80495912
n×5
100619890
n÷2
10061989
n÷3
6707992.6666667
n÷3
5030994.5
n÷5
4024795.6
n2
404974490544484
n3
8.1496977382784E+21
n4
1.6400433799176E+29
n5
3.3004196896508E+36
2 √n
4485.9757021188
3 √n
272.00148679983
4 √n
66.977426810223
5 √n
28.889682356081
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
-20123977
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 20123978 can be divided by 8 positive divisors.
The sum of these divisors (counting 20123978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001000101001010
3
Ternary
1101212101220112
4
Quaternary
1030301011022
5
Quinary
20122431403
6
Senary
1555154322
8
Octal
114610512
10
Decimal
20123978
12
Duodecimal
68a59a2
16
Hexadecimal
133114a
20
Vigesimal
65f9ii
36
Base36
bzbre
md5
6d3768bbbf10bbec20abc592192ee1f6
sha1
8d48ae2064877638eccd0019809706466aa0dbfd
sha256
0682e890aad56544f64f62dd810c41ca7f24990eedca8277b8d644199146a405
sha512
4561e32de1f06772b16fa0dc501e73b29c567607177ea62e7aab4387570945c1aad0709adbfefde5b6acf1cf1c7fa9a1dec0349c16588ef10d16963f76101bd3
ripemd-160
bcf41f42c0df73f8c1fdd393a3dd99540bdd89d8
Diameter
40247956
Circumference
126442682.89161
Area
1.2722648843858E+15
Volume
3.413737405807E+22
Surface area
5.0890595375433E+15
Circumference
126442682.89161
Perimeter
80495912
Area
404974490544484
Diagonal
28459602.616498
Surface area
2429846943266904
Volume
8.1496977382784E+21
Space diagonal
34855752.346398
Perimeter
60371934
Area
1.7535909834809E+14
Altitude
17427876.173199
Surface area
1.7535909834809E+14
Volume
9.6045108922622E+20
Height
9486534.2054993