81796251 is an odd 8-digits composite number following 81796250
and preceding 81796252 . In scientific notation, it is written as 8.1796251 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 53254080 positive integers (up to 81796251) that are relatively prime to 81796251.
81796251 has 16 divisors, whose sum is 111646080
The reverse of 81796251 is 15269718
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million seven hundred ninety-six thousand two hundred fifty-one
Scientific notation
8.1796251 × 10^7
Engineering notation
8.1796251 × 10^6
Prime Factorization
3 × 89 × 83 × 3691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81796251
Product of the distinct prime numbers
The prime factorization of 81796251 is 3 × 89 × 83 × 3691.
Since it has a total of 4 prime factors.
7 , 9 , 95 , 82 , 249 , 529 , 925 , 8515 , 78098 , 16936 , 551699 , 93469 , 6339810 , 9901793 , 2565155 , 33572505 , 501744456 , 234156261 , 474570192 , 9462824441
n×2
163592502
n×3
245388753
n×4
327185004
n×5
408981255
n÷2
40898125.5
n÷3
27265417
n÷3
20449062.75
n÷5
16359250.2
n2
6690626677655001
n3
5.4726817907276E+23
n4
4.4764485339749E+31
n5
3.6615670787359E+39
2 √n
9044.1279844991
3 √n
434.08801933962
4 √n
95.100620316058
5 √n
38.242535612583
1 , 3 , 83 , 89 , 249 , 267 , 3691 , 7387 , 11073 , 22161 , 306353 , 328499 , 919059 , 985497 , 27265417 , 81796251
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
-81796250
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 81796251 can be divided by 16 positive divisors.
The sum of these divisors (counting 81796251) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000000001110010011011
3
Ternary
12200220200100210
4
Quaternary
10320001302123
5
Quinary
131414440001
6
Senary
12041102203
8
Octal
470016233
10
Decimal
81796251
12
Duodecimal
23487963
16
Hexadecimal
4e01c9b
20
Vigesimal
15b4acb
36
Base36
1cp6e3
md5
d32f055fae861a80d13c223703905a77
sha1
2fec0725de5443183f60359a73b2b8612c9d91ad
sha256
f18bcfeb5c9cd40d8e7f963eea123e6bf57b54c633b4081ea2e22466f7e3a18e
sha512
4aabb5e723115ea56115fa972b9b546fbe92438e1a547f24e9a2ed1e2c67f6075418d390e31ca56345311880dc0b52d7681e07b76c8f4cf0d9437e96b0c7bb70
ripemd-160
9936a4560ce10274d43259b6064f42b4b1c454a8
Diameter
163592502
Circumference
513941002.46557
Area
2.1019223618433E+16
Volume
2.2923915878913E+24
Surface area
8.4076894473731E+16
Circumference
513941002.46557
Perimeter
327185004
Area
6690626677655001
Diagonal
115677367.51547
Surface area
40143760065930006
Volume
5.4726817907276E+23
Space diagonal
141675262.60066
Perimeter
245388753
Area
2.8971263350436E+15
Altitude
70837631.300328
Surface area
2.8971263350436E+15
Volume
6.4496173424994E+22
Height
38559122.505158