81874460 is an even 8-digits composite number following 81874459
and preceding 81874461 . In scientific notation, it is written as 8.1874460 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 32578560 positive integers (up to 81874460) that are relatively prime to 81874460.
81874460 has 24 divisors, whose sum is 172835376
The reverse of 81874460 is 06447818
Previous prime number is 193
Is Prime? no Number parity even Number length 8 Sum of Digits 38 Digital Root 2
Name
eighty-one million eight hundred seventy-four thousand four hundred sixty
Scientific notation
8.1874460 × 10^7
Engineering notation
8.1874460 × 10^6
Prime Factorization
2 × 2 × 5 × 193 × 21211
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40937230 Product of the distinct prime numbers
The prime factorization of 81874460 is 2 × 2 × 5 × 193 × 21211.
Since it has a total of 5 prime factors.
8 , 4 , 9 , 55 , 201 , 278 , 9938 , 9281 , 2622 , 26948 , 327924 , 676877 , 6870402 , 1114341 , 1250090 , 88081231 , 875023551 , 745199653 , 5397603814 , 9332252011
n×2
163748920
n×3
245623380
n×4
327497840
n×5
409372300
n÷2
40937230
n÷3
27291486.666667
n÷3
20468615
n÷5
16374892
n2
6703427200291600
n3
5.4883948217319E+23
n4
4.4935936229609E+31
n5
3.6791055133937E+39
2 √n9048.4506961137
3 √n434.22632549668
4 √n95.123344643225
5 √n38.249845891943
1 , 2 , 4 , 5 , 10 , 20 , 193 , 386 , 772 , 965 , 1930 , 3860 , 21211 , 42422 , 84844 , 106055 , 212110 , 424220 , 4093723 , 8187446 , 16374892 , 20468615 , 40937230 , 81874460
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81874459 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81874460 can be divided by 24 positive divisors.
The sum of these divisors (counting 81874460) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000010100111000011100
3
Ternary
12201001122122102
4
Quaternary
10320110320130
5
Quinary
131424440320
6
Senary
12042504232
8
Octal
470247034
10
Decimal
81874460
12
Duodecimal
23505078
16
Hexadecimal
4e14e1c
20
Vigesimal
15be630
36
Base36
1cquqk
md5
0e5e2f89537bc985b88b5d7b890ba0fc
sha1
6d69084f653d4a7689584d9d7520156dc8853c06
sha256
eb0f37462566a85cf0aaaca2f1339408968fb193b8cd2f9901508c9aaeab6b1e
sha512
9c04e090b1eb3ccfe8635dd086eb989781b969d68ae8b7094309191a575b35a1dbfe9aaa65126e0dc7a0bb37675b9851802ce74ea788da32adaa69eccf91b925
ripemd-160
7130abd77d9a4d78aa82a83dffed2b817e727c36
Diameter
163748920
Circumference
514432404.10526
Area
2.105943764631E+16
Volume
2.2989734469271E+24
Surface area
8.423775058524E+16
Circumference
514432404.10526
Perimeter
327497840
Area
6703427200291600
Diagonal
115787971.74397
Surface area
40220563201749600
Volume
5.4883948217319E+23
Space diagonal
141810724.56227
Perimeter
245623380
Area
2.9026691239361E+15
Altitude
70905362.281133
Surface area
2.9026691239361E+15
Volume
6.4681353271262E+22
Height
38595990.581324