420646989 is an odd 9-digits composite number following 420646988
and preceding 420646990 . In scientific notation, it is written as 4.20646989 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 240369696 positive integers (up to 420646989) that are relatively prime to 420646989.
420646989 has 4 divisors, whose sum is 440677820
The reverse of 420646989 is 989646024
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
four hundred twenty million six hundred forty-six thousand nine hundred eighty-nine
Scientific notation
4.20646989 × 10^8
Engineering notation
4.20646989 × 10^6
Prime Factorization
21 × 20030809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
420646989
Product of the distinct prime numbers
The prime factorization of 420646989 is 21 × 20030809.
Since it has a total of 2 prime factors.
4 , 9 , 24 , 47 , 465 , 612 , 1004 , 4372 , 41273 , 76232 , 705943 , 720056 , 6335807 , 2338016 , 87512517 , 25564614 , 254627853 , 178634461 , 6267351176 , 3934974428
n×2
841293978
n×3
1261940967
n×4
1682587956
n×5
2103234945
n÷2
210323494.5
n÷3
140215663
n÷3
105161747.25
n÷5
84129397.8
n2
176943889354766121
n3
7.4430914279032E+25
n4
3.1309139979992E+34
n5
1.3170095460763E+43
2 √n
20509.680372936
3 √n
749.27158255084
4 √n
143.21201197154
5 √n
53.061992869337
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
-420646988
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 420646989 can be divided by 4 positive divisors.
The sum of these divisors (counting 420646989) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001000100101001000001001101
3
Ternary
1002022112002012010
4
Quaternary
121010221001031
5
Quinary
1330141200424
6
Senary
105423531433
8
Octal
3104510115
10
Decimal
420646989
12
Duodecimal
b8a59b79
16
Hexadecimal
1912904d
20
Vigesimal
6b90h99
36
Base36
6yfxal
md5
4bf19ff676443bcfdd2388d715439473
sha1
19c1f08822e647107079a05a54ecba9247a23a8e
sha256
74b422fa45c6a19fe0ef232f2eeef808644f4e0396e8a666a9f094e6c3185d00
sha512
376fe5ed22441faa61e9a8546649efb5163fd4f452b49a420bde61f2ce9ee4b1f1918040a409c07343215ccf92be913acf547f36c84b73550038dcdc6b74380e
ripemd-160
d76ce010c22466d093c0b6b61fef9485c82045af
Diameter
841293978
Circumference
2643002980.7941
Area
5.5588562289454E+17
Volume
3.117754846653E+26
Surface area
2.2235424915782E+18
Circumference
2643002980.7941
Perimeter
1682587956
Area
176943889354766121
Diagonal
594884676.81521
Surface area
1061663336128596726
Volume
7.4430914279032E+25
Space diagonal
728581956.99887
Perimeter
1261940967
Area
7.6618951612825E+16
Altitude
364290978.49943
Surface area
7.6618951612825E+16
Volume
8.7717673694363E+24
Height
198294892.27174