20698978 is an even 8-digits composite number following 20698977
and preceding 20698979 . In scientific notation, it is written as 2.0698978 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 10349488 positive integers (up to 20698978) that are relatively prime to 20698978.
20698978 has 4 divisors, whose sum is 31048470
The reverse of 20698978 is 87989602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty million six hundred ninety-eight thousand nine hundred seventy-eight
Scientific notation
2.0698978 × 10^7
Engineering notation
2.0698978 × 10^6
Prime Factorization
2 × 10349489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20698978
Product of the distinct prime numbers
The prime factorization of 20698978 is 2 × 10349489.
Since it has a total of 2 prime factors.
2 , 9 , 96 , 86 , 437 , 295 , 5896 , 3789 , 64991 , 62488 , 179158 , 350645 , 2631625 , 4985881 , 12029215 , 29580031 , 33431807 , 642357545 , 3026272369 , 3147853356
n×2
41397956
n×3
62096934
n×4
82795912
n×5
103494890
n÷2
10349489
n÷3
6899659.3333333
n÷3
5174744.5
n÷5
4139795.6
n2
428447690244484
n3
8.8684293145214E+21
n4
1.8356742327583E+29
n5
3.7996580559032E+36
2 √n
4549.6129505706
3 √n
274.56781922663
4 √n
67.450818753894
5 √n
29.052919488948
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
-20698977
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 20698978 can be divided by 4 positive divisors.
The sum of these divisors (counting 20698978) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111101011101100010
3
Ternary
1102221121122211
4
Quaternary
1032331131202
5
Quinary
20244331403
6
Senary
2015352334
8
Octal
116753542
10
Decimal
20698978
12
Duodecimal
6b226aa
16
Hexadecimal
13bd762
20
Vigesimal
69778i
36
Base36
cbnfm
md5
8575a62c5c231ed30aa3469b36fb4843
sha1
e593b1a09d569a7ea4b43b92a6854a25741d2d81
sha256
605ff2f0adaea27f6a7397bb2565d20ac42a5dcfdabf7d1d1c2c8d2b1db82c4e
sha512
54ff768e4581c24ef07be8b9485f56466216d71d8afce270ffd35907c715ee824c0f6abdca1a3c49e4ff97a49eecf586028706df1ec8b5950c538fa36177efdf
ripemd-160
4d9a89b183c026ce0aec3c0c6166e9605fe4f934
Diameter
41397956
Circumference
130055514.44323
Area
1.3460081161196E+15
Volume
3.7147989844508E+22
Surface area
5.3840324644783E+15
Circumference
130055514.44323
Perimeter
82795912
Area
428447690244484
Diagonal
29272775.414862
Surface area
2570686141466904
Volume
8.8684293145214E+21
Space diagonal
35851681.56075
Perimeter
62096934
Area
1.8552329197224E+14
Altitude
17925840.780375
Surface area
1.8552329197224E+14
Volume
1.0451544177953E+21
Height
9757591.8049541