42181881 is an odd 8-digits composite number following 42181880
and preceding 42181882 . In scientific notation, it is written as 4.2181881 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 22498560 positive integers (up to 42181881) that are relatively prime to 42181881.
42181881 has 32 divisors, whose sum is 68659200
The reverse of 42181881 is 18818124
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
forty-two million one hundred eighty-one thousand eight hundred eighty-one
Scientific notation
4.2181881 × 10^7
Engineering notation
4.2181881 × 10^6
Prime Factorization
3 × 7 × 19 × 1489 × 71
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
42181881
Product of the distinct prime numbers
The prime factorization of 42181881 is 3 × 7 × 19 × 1489 × 71.
Since it has a total of 5 prime factors.
7 , 8 , 77 , 9 , 513 , 676 , 8619 , 3603 , 46256 , 43190 , 712476 , 446668 , 1850411 , 2929420 , 89511658 , 40491722 , 291045216 , 847166679 , 6349702078 , 2847285971
n×2
84363762
n×3
126545643
n×4
168727524
n×5
210909405
n÷2
21090940.5
n÷3
14060627
n÷3
10545470.25
n÷5
8436376.2
n2
1779311084698161
n3
7.5054688436719E+22
n4
3.1659479361297E+30
n5
1.3354563909402E+38
2 √n
6494.7579631577
3 √n
348.10370637538
4 √n
80.590061193411
5 √n
33.498486721663
1 , 3 , 7 , 19 , 21 , 57 , 71 , 133 , 213 , 399 , 497 , 1349 , 1489 , 1491 , 4047 , 4467 , 9443 , 10423 , 28291 , 28329 , 31269 , 84873 , 105719 , 198037 , 317157 , 594111 , 740033 , 2008661 , 2220099 , 6025983 , 14060627 , 42181881
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-42181880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 42181881 can be divided by 32 positive divisors.
The sum of these divisors (counting 42181881) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10100000111010010011111001
3
Ternary
2221101001122220
4
Quaternary
2200322103321
5
Quinary
41244310011
6
Senary
4104034253
8
Octal
240722371
10
Decimal
42181881
12
Duodecimal
12162989
16
Hexadecimal
283a4f9
20
Vigesimal
d3cee1
36
Base36
p43qx
md5
27a3a1f69d7c33e221444c898dd2a0f8
sha1
818d5402d84a2f96f05f7db14cc8ca5a171d62d4
sha256
7d6c5324263d40fb8974e47a49813178587d4512b2a58d09ad1b8791e22bde6b
sha512
24165ec9fcfdd23af1427c0aaa14408c4efc63cf93384dfc1ff70f71f1828828acbce9761b237c29214b2e52efe2700f943d8299308885d65596229da09f2e9b
ripemd-160
2242c388d252cea6a447dccd7c3872ea53645bb2
Diameter
84363762
Circumference
265036574.9284
Area
5.5898706321386E+15
Volume
3.1438834374702E+23
Surface area
2.2359482528555E+16
Circumference
265036574.9284
Perimeter
168727524
Area
1779311084698161
Diagonal
59654188.196608
Surface area
10675866508188966
Volume
7.5054688436719E+22
Space diagonal
73061161.050824
Perimeter
126545643
Area
7.7046430029193E+14
Altitude
36530580.525412
Surface area
7.7046430029193E+14
Volume
8.8452798589079E+21
Height
19884729.398869