20122978 is an even 8-digits composite number following 20122977
and preceding 20122979 . In scientific notation, it is written as 2.0122978 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10061488 positive integers (up to 20122978) that are relatively prime to 20122978.
20122978 has 4 divisors, whose sum is 30184470
The reverse of 20122978 is 87922102
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-two thousand nine hundred seventy-eight
Scientific notation
2.0122978 × 10^7
Engineering notation
2.0122978 × 10^6
Prime Factorization
2 × 10061489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20122978
Product of the distinct prime numbers
The prime factorization of 20122978 is 2 × 10061489.
Since it has a total of 2 prime factors.
6 , 7 , 5 , 96 , 178 , 310 , 8976 , 7452 , 18942 , 15345 , 877661 , 115221 , 5024063 , 8839279 , 93499620 , 39819985 , 850573505 , 356185728 , 2850437452 , 6507612985
n×2
40245956
n×3
60368934
n×4
80491912
n×5
100614890
n÷2
10061489
n÷3
6707659.3333333
n÷3
5030744.5
n÷5
4024595.6
n2
404934243588484
n3
8.1484828751777E+21
n4
1.6397174163058E+29
n5
3.2995997494538E+36
2 √n
4485.8642422615
3 √n
271.99698129579
4 √n
66.976594734739
5 √n
28.88939523336
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
-20122977
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 20122978 can be divided by 4 positive divisors.
The sum of these divisors (counting 20122978) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000110101100010
3
Ternary
1101212100112111
4
Quaternary
1030300311202
5
Quinary
20122413403
6
Senary
1555145534
8
Octal
114606542
10
Decimal
20122978
12
Duodecimal
68a52aa
16
Hexadecimal
1330d62
20
Vigesimal
65f78i
36
Base36
bzazm
md5
7f4431bb60405d78c0f9e92cd1631e7d
sha1
5240aeb29d87558568a8475e86f11a0ba98b85d9
sha256
27e820f7511f6c7fc7ffdf7f3af078a2e42f34e0ff927a3e375d7aac5397cd45
sha512
131df7a03b347b4ea14ce2fb9e41e58ecd6d710da68e71f1c613461a3684afc40f2d3d21dfed9336df0669da5606034a70d3fe6ec555dae1011018e2a8e439b5
ripemd-160
1e365f002599626293002fd5adcc528bc81a5e2b
Diameter
40245956
Circumference
126436399.7063
Area
1.2721384448445E+15
Volume
3.4132285251414E+22
Surface area
5.0885537793781E+15
Circumference
126436399.7063
Perimeter
80491912
Area
404934243588484
Diagonal
28458188.402935
Surface area
2429605461530904
Volume
8.1484828751777E+21
Space diagonal
34854020.295591
Perimeter
60368934
Area
1.7534167090493E+14
Altitude
17427010.147795
Surface area
1.7534167090493E+14
Volume
9.6030791623677E+20
Height
9486062.8009785