20702978 is an even 8-digits composite number following 20702977
and preceding 20702979 . In scientific notation, it is written as 2.0702978 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 9937200 positive integers (up to 20702978) that are relatively prime to 20702978.
20702978 has 16 divisors, whose sum is 32313600
The reverse of 20702978 is 87920702
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million seven hundred two thousand nine hundred seventy-eight
Scientific notation
2.0702978 × 10^7
Engineering notation
2.0702978 × 10^6
Prime Factorization
2 × 31 × 131 × 2549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20702978
Product of the distinct prime numbers
The prime factorization of 20702978 is 2 × 31 × 131 × 2549.
Since it has a total of 4 prime factors.
3 , 3 , 6 , 8 , 966 , 705 , 7489 , 868 , 80665 , 33674 , 499116 , 516368 , 5586113 , 6345509 , 34969225 , 27493354 , 359659042 , 565789410 , 8865181817 , 2811651498
n×2
41405956
n×3
62108934
n×4
82811912
n×5
103514890
n÷2
10351489
n÷3
6900992.6666667
n÷3
5175744.5
n÷5
4140595.6
n2
428613298068484
n3
8.8735716804193E+21
n4
1.8370935928114E+29
n5
3.8033308235916E+36
2 √n
4550.0525271693
3 √n
274.58550448849
4 √n
67.45407717232
5 √n
29.054042275744
1 , 2 , 31 , 62 , 131 , 262 , 2549 , 4061 , 5098 , 8122 , 79019 , 158038 , 333919 , 667838 , 10351489 , 20702978
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
-20702977
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 20702978 can be divided by 16 positive divisors.
The sum of these divisors (counting 20702978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111110011100000010
3
Ternary
1102221211010222
4
Quaternary
1032332130002
5
Quinary
20244443403
6
Senary
2015423042
8
Octal
116763402
10
Decimal
20702978
12
Duodecimal
6b24a82
16
Hexadecimal
13be702
20
Vigesimal
697h8i
36
Base36
cbqiq
md5
78f55564914dcf3886f435d0680d3999
sha1
d84a69aa37ced2bf8a551aecb53b8aaa5714a56f
sha256
9922563514540763426e0105f7e213bc8118684101f223d59baf1ea682d03e62
sha512
34350672f4c4a0231bb3e0ee3990b402c415742a0b32a171f150e20f39b79e90f072bd0964d46bdc357593c2e5bdfba03c3b5bf7ba46d348df03363851898b14
ripemd-160
99777796c1ee038888964857424dd1da7b9c6703
Diameter
41405956
Circumference
130080647.18446
Area
1.3465283884428E+15
Volume
3.716953013641E+22
Surface area
5.3861135537714E+15
Circumference
130080647.18446
Perimeter
82811912
Area
428613298068484
Diagonal
29278432.269112
Surface area
2571679788410904
Volume
8.8735716804193E+21
Space diagonal
35858609.763981
Perimeter
62108934
Area
1.8559500226357E+14
Altitude
17929304.88199
Surface area
1.8559500226357E+14
Volume
1.0457604514282E+21
Height
9759477.4230373