42781925 is an odd 8-digits composite number following 42781924
and preceding 42781926 . In scientific notation, it is written as 4.2781925 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 34225520 positive integers (up to 42781925) that are relatively prime to 42781925.
42781925 has 4 divisors, whose sum is 44493228
The reverse of 42781925 is 52918724
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
forty-two million seven hundred eighty-one thousand nine hundred twenty-five
Scientific notation
4.2781925 × 10^7
Engineering notation
4.2781925 × 10^6
Prime Factorization
25 × 1711277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42781925
Product of the distinct prime numbers
The prime factorization of 42781925 is 25 × 1711277.
Since it has a total of 2 prime factors.
1 , 5 , 44 , 24 , 538 , 718 , 159 , 486 , 55797 , 25685 , 812035 , 738790 , 2453013 , 9951453 , 60229272 , 46091670 , 502373172 , 409500590 , 5043709764 , 966724679
n×2
85563850
n×3
128345775
n×4
171127700
n×5
213909625
n÷2
21390962.5
n÷3
14260641.666667
n÷3
10695481.25
n÷5
8556385
n2
1830293106705625
n3
7.8303462419097E+22
n4
3.3499728564541E+30
n5
1.4331828749686E+38
2 √n
6540.7893254561
3 √n
349.74655120592
4 √n
80.875146525098
5 √n
33.593253282846
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
-42781924
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 42781925 can be divided by 4 positive divisors.
The sum of these divisors (counting 42781925) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100011001100110011100101
3
Ternary
2222111112202202
4
Quaternary
2203030303211
5
Quinary
41423010200
6
Senary
4124544245
8
Octal
243146345
10
Decimal
42781925
12
Duodecimal
123b2085
16
Hexadecimal
28ccce5
20
Vigesimal
d77eg5
36
Base36
pgyqt
md5
c4dc7e3d90764759f03edb30b4f17757
sha1
cec8697dbc3afaad24c44da9e66e673187187138
sha256
af65801f359e4012008aeb46b796804f7ca5bfa1eb2343d5951abcaedaa20d19
sha512
a7c891edbb614662c8e56bc6a52a9bfd954d14521d45ea8c1dadb3b71772d791a4691608088d79bab3ad1ea616f268401636a7e27b1437e5c5efe7fddf6f9821
ripemd-160
647658e551ec0177734a560f3e97b3a75fb7e7cc
Diameter
85563850
Circumference
268806762.57286
Area
5.7500353779424E+15
Volume
3.2799677638197E+23
Surface area
2.300014151177E+16
Circumference
268806762.57286
Perimeter
171127700
Area
1830293106705625
Diagonal
60502778.559429
Surface area
10981758640233750
Volume
7.8303462419097E+22
Space diagonal
74100467.745601
Perimeter
128345775
Area
7.9254016338931E+14
Altitude
37050233.872801
Surface area
7.9254016338931E+14
Volume
9.2281515444883E+21
Height
20167592.853143