20487977 is an odd 8-digits prime number following 20487976
and preceding 20487978 . In scientific notation, it is written as 2.0487977 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 20487976 positive integers (up to 20487977) that are relatively prime to 20487977.
20487977 has 2 divisors, whose sum is 20487978
The reverse of 20487977 is 77978402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million four hundred eighty-seven thousand nine hundred seventy-seven
Scientific notation
2.0487977 × 10^7
Engineering notation
2.0487977 × 10^6
Prime Factorization
20487977
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20487977
Product of the distinct prime numbers
The prime factorization of 20487977 is 20487977.
Since it has a total of 1 prime factors.
4 , 1 , 56 , 74 , 366 , 459 , 5162 , 4681 , 76176 , 81576 , 438599 , 775042 , 9199190 , 417236 , 15532659 , 70227465 , 761849943 , 673409198 , 743836001 , 1440998347
n×2
40975954
n×3
61463931
n×4
81951908
n×5
102439885
n÷2
10243988.5
n÷3
6829325.6666667
n÷3
5121994.25
n÷5
4097595.4
n2
419757201552529
n3
8.5999758909926E+21
n4
1.7619610825521E+29
n5
3.6099018134223E+36
2 √n
4526.364656101
3 √n
273.63166893575
4 √n
67.278262879633
5 √n
28.993444620082
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20487978
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10243989
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4526.3647665649
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999023818
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20487977 can be divided by 2 positive divisors.
The sum of these divisors (counting 20487977) is 20487978, the average is 10243989.
Base
System
Value
2
Binary
1001110001001111100101001
3
Ternary
1102112220012222
4
Quaternary
1032021330221
5
Quinary
20221103402
6
Senary
2011043425
8
Octal
116117451
10
Decimal
20487977
12
Duodecimal
6a40575
16
Hexadecimal
1389f29
20
Vigesimal
680jih
36
Base36
c74mh
md5
25ff1edc22e513eb07ee8d271bd1683c
sha1
0a8632d545155e201c554bab084bab2fd31cf2be
sha256
11da604f9eb10767bb04d404a03a749f05ccc9766d07644404f0376de8b56c8c
sha512
04ce9a07ee452c13e5c391418226b07d8da468906b255bf6ec6d0af8e8dc27250d783493c1915999c16ac0df6b5ea21cfc6619d57ce73a2d770f4b997f957f58
ripemd-160
0acdc400b437649b91537488e998108ef5c449ae
Diameter
40975954
Circumference
128729756.06023
Area
1.3187061406888E+15
Volume
3.6023494773589E+22
Surface area
5.2748245627553E+15
Circumference
128729756.06023
Perimeter
81951908
Area
419757201552529
Diagonal
28974374.938988
Surface area
2518543209315174
Volume
8.5999758909926E+21
Space diagonal
35486217.108303
Perimeter
61463931
Area
1.8176019998298E+14
Altitude
17743108.554151
Surface area
1.8176019998298E+14
Volume
1.0135168784269E+21
Height
9658124.9796627