20120978 is an even 8-digits composite number following 20120977
and preceding 20120979 . In scientific notation, it is written as 2.0120978 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10042240 positive integers (up to 20120978) that are relatively prime to 20120978.
20120978 has 8 divisors, whose sum is 30236220
The reverse of 20120978 is 87902102
Previous prime number is 569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty thousand nine hundred seventy-eight
Scientific notation
2.0120978 × 10^7
Engineering notation
2.0120978 × 10^6
Prime Factorization
2 × 569 × 17681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120978
Product of the distinct prime numbers
The prime factorization of 20120978 is 2 × 569 × 17681.
Since it has a total of 3 prime factors.
10 , 5 , 65 , 83 , 703 , 414 , 7831 , 9445 , 92434 , 7414 , 203806 , 849469 , 3250106 , 5355101 , 61713196 , 35651172 , 194638355 , 292583412 , 7140371076 , 892420900
n×2
40241956
n×3
60362934
n×4
80483912
n×5
100604890
n÷2
10060489
n÷3
6706992.6666667
n÷3
5030244.5
n÷5
4024195.6
n2
404853755676484
n3
8.1460535111839E+21
n4
1.6390656348535E+29
n5
3.2979603579444E+36
2 √n
4485.6413142381
3 √n
271.9879698399
4 √n
66.97493049073
5 √n
28.888820953672
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
-20120977
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 20120978 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010110010010
3
Ternary
1101212020210102
4
Quaternary
1030300112102
5
Quinary
20122332403
6
Senary
1555132402
8
Octal
114602622
10
Decimal
20120978
12
Duodecimal
68a4102
16
Hexadecimal
1330592
20
Vigesimal
65f28i
36
Base36
bz9g2
md5
676afa5d22b666d54ce05304ad157c3e
sha1
f1e4b16a109785dc088ad75057f06c689c9ac3f9
sha256
b9782abd739b9fdd06e3aaff2757aca50db6c64206cab3add939cc6d81874203
sha512
16ff4dc65be23399f567ae17b0dc12b183a1c234bbc5413c4876e4f796e76c77206a830a8114d8171ba917df68d6f53665c41cb8537223330dc16fe7bf58a3e9
ripemd-160
5230688cd932e9ff822e2dbb4f52cda15ce1af97
Diameter
40241956
Circumference
126423833.33568
Area
1.2718855846115E+15
Volume
3.4122109155313E+22
Surface area
5.0875423384459E+15
Circumference
126423833.33568
Perimeter
80483912
Area
404853755676484
Diagonal
28455359.975811
Surface area
2429122534058904
Volume
8.1460535111839E+21
Space diagonal
34850556.193976
Perimeter
60362934
Area
1.7530681861669E+14
Altitude
17425278.096988
Surface area
1.7530681861669E+14
Volume
9.6002161294444E+20
Height
9485119.9919369