20742487 is an odd 8-digits prime number following 20742486
and preceding 20742488 . In scientific notation, it is written as 2.0742487 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20742486 positive integers (up to 20742487) that are relatively prime to 20742487.
20742487 has 2 divisors, whose sum is 20742488
The reverse of 20742487 is 78424702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred forty-two thousand four hundred eighty-seven
Scientific notation
2.0742487 × 10^7
Engineering notation
2.0742487 × 10^6
Prime Factorization
20742487
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20742487
Product of the distinct prime numbers
The prime factorization of 20742487 is 20742487.
Since it has a total of 1 prime factors.
9 , 8 , 42 , 71 , 995 , 416 , 9051 , 9148 , 93786 , 83662 , 770878 , 536774 , 7773144 , 8539971 , 41294100 , 40442724 , 793538036 , 807480335 , 9085074624 , 969645453
n×2
41484974
n×3
62227461
n×4
82969948
n×5
103712435
n÷2
10371243.5
n÷3
6914162.3333333
n÷3
5185621.75
n÷5
4148497.4
n2
430250766945169
n3
8.9244709401002E+21
n4
1.8511572245691E+29
n5
3.839760466558E+36
2 √n
4554.3920560268
3 √n
274.76006399626
4 √n
67.486236048744
5 √n
29.065123009277
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20742488
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10371244
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4554.3921658109
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999035796
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20742487 can be divided by 2 positive divisors.
The sum of these divisors (counting 20742487) is 20742488, the average is 10371244.
Base
System
Value
2
Binary
1001111001000000101010111
3
Ternary
1110000211100021
4
Quaternary
1033020011113
5
Quinary
20302224422
6
Senary
2020330011
8
Octal
117100527
10
Decimal
20742487
12
Duodecimal
6b43907
16
Hexadecimal
13c8157
20
Vigesimal
69cg47
36
Base36
ccl07
md5
e07e2f500785ff5453cedb34e47c604a
sha1
f63176c1d43d1ac5c5c50c914cc52a0c93210d07
sha256
4665ced7fa7bca9cdb85b6593005195c04ccc54ea6fd864bdc127c7f8322a882
sha512
29ee70b629f0ba2802c47005312ecac26aa93729c9a4f1eb76ed884a428ed6cc98d69825bb792f05332685c3e874712f1806b8349442df450f921a0249bef6a0
ripemd-160
2f6c5dc5de2cd1fa0e57b2ce59fb1840a612809b
Diameter
41484974
Circumference
130328889.55276
Area
1.3516726486363E+15
Volume
3.7382736456792E+22
Surface area
5.4066905945453E+15
Circumference
130328889.55276
Perimeter
82969948
Area
430250766945169
Diagonal
29334306.432748
Surface area
2581504601671014
Volume
8.9244709401002E+21
Space diagonal
35927041.359337
Perimeter
62227461
Area
1.8630404708613E+14
Altitude
17963520.679668
Surface area
1.8630404708613E+14
Volume
1.0517589867079E+21
Height
9778102.1442492