42783891 is an odd 8-digits composite number following 42783890
and preceding 42783892 . In scientific notation, it is written as 4.2783891 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 28506240 positive integers (up to 42783891) that are relatively prime to 42783891.
42783891 has 8 divisors, whose sum is 57077904
The reverse of 42783891 is 19838724
Previous prime number is 5657
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
forty-two million seven hundred eighty-three thousand eight hundred ninety-one
Scientific notation
4.2783891 × 10^7
Engineering notation
4.2783891 × 10^6
Prime Factorization
3 × 5657 × 2521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
42783891
Product of the distinct prime numbers
The prime factorization of 42783891 is 3 × 5657 × 2521.
Since it has a total of 3 prime factors.
7 , 10 , 18 , 34 , 636 , 615 , 9150 , 7072 , 74292 , 24257 , 933504 , 468886 , 5871904 , 3836258 , 67302506 , 83463206 , 520082840 , 553073884 , 2649549804 , 1268495965
n×2
85567782
n×3
128351673
n×4
171135564
n×5
213919455
n÷2
21391945.5
n÷3
14261297
n÷3
10695972.75
n÷5
8556778.2
n2
1830461329099881
n3
7.8314257983924E+22
n4
3.3505886773301E+30
n5
1.4335122075673E+38
2 √n
6540.9396114014
3 √n
349.75190853994
4 √n
80.876075642933
5 √n
33.593562025952
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
-42783890
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 42783891 can be divided by 8 positive divisors.
The sum of these divisors (counting 42783891) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011001101010010010011
3
Ternary
2222111122110120
4
Quaternary
2203031102103
5
Quinary
41423041031
6
Senary
4125001323
8
Octal
243152223
10
Decimal
42783891
12
Duodecimal
123b3243
16
Hexadecimal
28cd493
20
Vigesimal
d77jeb
36
Base36
ph09f
md5
aa5a1ee90038c277f356be1f11420429
sha1
841bc9b9271fa1159d25deca70e5d7a6340c6f16
sha256
0daa8a76ad9e6748c3aa36b490fe328c90960b1c13f99da74bb9e02ffc05af7f
sha512
ff52fcbefe89467e7dfdbbf67be16ee1f0b6d8796d06bb552665d89b3ad8d69e7f42c61601ee037d1de3853de53fa6273e3589b956aef2a0d269405d96fc3429
ripemd-160
44348c8fee9682527f74f86478c5d28daeaa47f7
Diameter
85567782
Circumference
268819115.31517
Area
5.7505638641804E+15
Volume
3.2804199673818E+23
Surface area
2.3002255456722E+16
Circumference
268819115.31517
Perimeter
171135564
Area
1830461329099881
Diagonal
60505558.903292
Surface area
10982767974599286
Volume
7.8314257983924E+22
Space diagonal
74103872.957489
Perimeter
128351673
Area
7.9261300582276E+14
Altitude
37051936.478744
Surface area
7.9261300582276E+14
Volume
9.2294238140043E+21
Height
20168519.634431