420120781 is an odd 9-digits composite number following 420120780
and preceding 420120782 . In scientific notation, it is written as 4.20120781 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 420001632 positive integers (up to 420120781) that are relatively prime to 420120781.
420120781 has 4 divisors, whose sum is 420239932
The reverse of 420120781 is 187021024
Previous prime number is 3637
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
four hundred twenty million one hundred twenty thousand seven hundred eighty-one
Scientific notation
4.20120781 × 10^8
Engineering notation
4.20120781 × 10^6
Prime Factorization
3637 × 115513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
420120781
Product of the distinct prime numbers
The prime factorization of 420120781 is 3637 × 115513.
Since it has a total of 2 prime factors.
1 , 9 , 34 , 38 , 150 , 207 , 5199 , 6266 , 47584 , 71016 , 928733 , 611745 , 6624182 , 1690685 , 84161933 , 37931276 , 318023889 , 716789713 , 9333257447 , 3334299695
n×2
840241562
n×3
1260362343
n×4
1680483124
n×5
2100603905
n÷2
210060390.5
n÷3
140040260.33333
n÷3
105030195.25
n÷5
84024156.2
n2
176501470628049961
n3
7.4151935687905E+25
n4
3.1152769133864E+34
n5
1.3087925698832E+43
2 √n
20496.848074765
3 √n
748.959018627
4 √n
143.16720320927
5 √n
53.048710650377
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
-420120780
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 420120781 can be divided by 4 positive divisors.
The sum of these divisors (counting 420120781) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001000010101000100011001101
3
Ternary
1002021112100100221
4
Quaternary
121002220203031
5
Quinary
1330022331111
6
Senary
105404351341
8
Octal
3102504315
10
Decimal
420120781
12
Duodecimal
b8845551
16
Hexadecimal
190a88cd
20
Vigesimal
6b5f1j1
36
Base36
6y4n9p
md5
3ce8477004959af1cb7304b54c41a180
sha1
5b9a26af2264a52be5aa1e75a26733c971b81d46
sha256
8c812d9a5cc6a3fc1727e2dcac784efc76515969867acad55d7950fc3c0e6397
sha512
26c6a44af8c1d543d7150f25829f69eea54bb5d840a95e9e00ea57247a5bf6d8e11b7bdd0cb3586c0c125a577574978a80af92d2f05903db52fe20037b09e328
ripemd-160
fff1e5b9ccff59af3e1177947446fd2d8f4425ee
Diameter
840241562
Circumference
2639696718.42
Area
5.5449572347288E+17
Volume
3.1060690187545E+26
Surface area
2.2179828938915E+18
Circumference
2639696718.42
Perimeter
1680483124
Area
176501470628049961
Diagonal
594140506.32498
Surface area
1059008823768299766
Volume
7.4151935687905E+25
Space diagonal
727670538.00752
Perimeter
1260362343
Area
7.6427378684602E+16
Altitude
363835269.00376
Surface area
7.6427378684602E+16
Volume
8.7388894271711E+24
Height
198046835.44166