42081605 is an odd 8-digits composite number following 42081604
and preceding 42081606 . In scientific notation, it is written as 4.2081605 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 31954560 positive integers (up to 42081605) that are relatively prime to 42081605.
42081605 has 16 divisors, whose sum is 53097984
The reverse of 42081605 is 50618024
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
forty-two million eighty-one thousand six hundred five
Scientific notation
4.2081605 × 10^7
Engineering notation
4.2081605 × 10^6
Prime Factorization
5 × 23 × 137 × 2671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42081605
Product of the distinct prime numbers
The prime factorization of 42081605 is 5 × 23 × 137 × 2671.
Since it has a total of 4 prime factors.
1 , 4 , 66 , 52 , 474 , 21 , 7201 , 7693 , 43013 , 44691 , 901837 , 493138 , 8724185 , 7814875 , 71342288 , 91773240 , 631044860 , 734737740 , 4477422383 , 1012692725
n×2
84163210
n×3
126244815
n×4
168326420
n×5
210408025
n÷2
21040802.5
n÷3
14027201.666667
n÷3
10520401.25
n÷5
8416321
n2
1770861479376025
n3
7.4520693284818E+22
n4
3.1359503791378E+30
n5
1.3196582515448E+38
2 √n
6487.0336055858
3 √n
347.82764674006
4 √n
80.542123175304
5 √n
33.482544839162
1 , 5 , 23 , 115 , 137 , 685 , 2671 , 3151 , 13355 , 15755 , 61433 , 307165 , 365927 , 1829635 , 8416321 , 42081605
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42081604
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42081605 can be divided by 16 positive divisors.
The sum of these divisors (counting 42081605) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100000100001110101000101
3
Ternary
2221011222002222
4
Quaternary
2200201311011
5
Quinary
41233102410
6
Senary
4101542125
8
Octal
240416505
10
Decimal
42081605
12
Duodecimal
12114945
16
Hexadecimal
2821d45
20
Vigesimal
d30405
36
Base36
p1ydh
md5
6423b19a58a699eae50ab0d55f5eeb45
sha1
09bb8a332f2100273dc1e44e2d5a8a31413aa8f0
sha256
5e5eb733c84ae55f084c9332d17b430dedca17bce11cbcc6fc2343e6e4c674eb
sha512
d25281e3a6e6fc6e32f247a89169728fa4e26c429d39cb8aa63c47c84243cfcbb5815a5b37f341a70e6fc1ae4b9a38e4e2368164410285cf5b3111792a938f02
ripemd-160
3c7c1de0192dc6b7a954fb05b6e5aefc78acd35d
Diameter
84163210
Circumference
264406522.23854
Area
5.5633254141329E+15
Volume
3.1215155008533E+23
Surface area
2.2253301656531E+16
Circumference
264406522.23854
Perimeter
168326420
Area
1770861479376025
Diagonal
59512376.517427
Surface area
10625168876256150
Volume
7.4520693284818E+22
Space diagonal
72887477.924045
Perimeter
126244815
Area
7.6680551386147E+14
Altitude
36443738.962022
Surface area
7.6680551386147E+14
Volume
8.7823479267362E+21
Height
19837458.839142