42897989 is an odd 8-digits composite number following 42897988
and preceding 42897990 . In scientific notation, it is written as 4.2897989 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 41264496 positive integers (up to 42897989) that are relatively prime to 42897989.
42897989 has 8 divisors, whose sum is 44542560
The reverse of 42897989 is 98979824
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
forty-two million eight hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
4.2897989 × 10^7
Engineering notation
4.2897989 × 10^6
Prime Factorization
29 × 283 × 5227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42897989
Product of the distinct prime numbers
The prime factorization of 42897989 is 29 × 283 × 5227.
Since it has a total of 3 prime factors.
7 , 1 , 13 , 53 , 154 , 16 , 5136 , 4277 , 8360 , 65065 , 160538 , 146572 , 8941671 , 6392942 , 14216555 , 5523756 , 566635944 , 895141675 , 7937481836 , 2829014186
n×2
85795978
n×3
128693967
n×4
171591956
n×5
214489945
n÷2
21448994.5
n÷3
14299329.666667
n÷3
10724497.25
n÷5
8579597.8
n2
1840237460244121
n3
7.894248632694E+22
n4
3.3864739100857E+30
n5
1.4527292054364E+38
2 √n
6549.6556398028
3 √n
350.06254392497
4 √n
80.929942788827
5 √n
33.611460706595
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
-42897988
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 42897989 can be divided by 8 positive divisors.
The sum of these divisors (counting 42897989) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011101001001001000101
3
Ternary
2222201102222102
4
Quaternary
2203221021011
5
Quinary
41440213424
6
Senary
4131241445
8
Octal
243511105
10
Decimal
42897989
12
Duodecimal
12449285
16
Hexadecimal
28e9245
20
Vigesimal
d824j9
36
Base36
pjgat
md5
5f8db0333617df03222d1780a6cdafbe
sha1
17905e5a0a7e810f5e4f721a63c3a76561d5f4c2
sha256
4ca4ff0a9750b0b5d4090aa2e577c1d4830df1ea939d4b1f7a07614ad3dcaef3
sha512
3376cd9c0444a4f246a0aa87d1464b91071e14e456dac12d018257a46178cf5f44e89f098454a89d5639aa2f36eeacdd155258b89aed7330b5c446bbcb82758a
ripemd-160
c512339311a620b937e655241f8b832746fb45ca
Diameter
85795978
Circumference
269536014.19235
Area
5.7812764859637E+15
Volume
3.3067351346777E+23
Surface area
2.3125105943855E+16
Circumference
269536014.19235
Perimeter
171591956
Area
1840237460244121
Diagonal
60666917.842332
Surface area
11041424761464726
Volume
7.894248632694E+22
Space diagonal
74301496.490531
Perimeter
128693967
Area
7.9684619478358E+14
Altitude
37150748.245265
Surface area
7.9684619478358E+14
Volume
9.303461234251E+21
Height
20222305.947444