42890781 is an odd 8-digits composite number following 42890780
and preceding 42890782 . In scientific notation, it is written as 4.2890781 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 28298880 positive integers (up to 42890781) that are relatively prime to 42890781.
42890781 has 8 divisors, whose sum is 57777664
The reverse of 42890781 is 18709824
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty-two million eight hundred ninety thousand seven hundred eighty-one
Scientific notation
4.2890781 × 10^7
Engineering notation
4.2890781 × 10^6
Prime Factorization
3 × 97 × 147391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42890781
Product of the distinct prime numbers
The prime factorization of 42890781 is 3 × 97 × 147391.
Since it has a total of 3 prime factors.
6 , 3 , 74 , 89 , 460 , 648 , 7722 , 5782 , 66119 , 79040 , 592663 , 300034 , 4593254 , 7012278 , 84320650 , 22502745 , 120422427 , 365929525 , 3896169941 , 7599556198
n×2
85781562
n×3
128672343
n×4
171563124
n×5
214453905
n÷2
21445390.5
n÷3
14296927
n÷3
10722695.25
n÷5
8578156.2
n2
1839619094789961
n3
7.8902699718054E+22
n4
3.3841984139158E+30
n5
1.4515091303181E+38
2 √n
6549.1053587494
3 √n
350.04293622918
4 √n
80.926542980344
5 √n
33.610331107286
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42890780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42890781 can be divided by 8 positive divisors.
The sum of these divisors (counting 42890781) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011100111011000011101
3
Ternary
2222201002002110
4
Quaternary
2203213120131
5
Quinary
41440001111
6
Senary
4131144233
8
Octal
243473035
10
Decimal
42890781
12
Duodecimal
12445079
16
Hexadecimal
28e761d
20
Vigesimal
d816j1
36
Base36
pjaql
md5
78b970ded1ddb06a97cafbdb6bc0468f
sha1
13030dd3363ba8c589a2fb82d67c158eac07c942
sha256
c68b6b91db0cd3bd1b6423faa451f0fa32ca0ef9a70aa4bcbcabf6a5a7f4b49e
sha512
6708c6dcf6ec2763f36004d4cd316fb5ab883b566a003d22701accec9e236e26b2d12d98064ce28f5a2d054c6fa53db207cfcd518a6b656012a75bbe2f078141
ripemd-160
3ed3c214aa9456b53c2e10c56454fccdf4c98071
Diameter
85781562
Circumference
269490724.99266
Area
5.7793338335956E+15
Volume
3.3050685571019E+23
Surface area
2.3117335334383E+16
Circumference
269490724.99266
Perimeter
171563124
Area
1839619094789961
Diagonal
60656724.190974
Surface area
11037714568739766
Volume
7.8902699718054E+22
Space diagonal
74289011.86831
Perimeter
128672343
Area
7.9657843468752E+14
Altitude
37144505.934155
Surface area
7.9657843468752E+14
Volume
9.298772337427E+21
Height
20218908.063658