82661281 is an odd 8-digits composite number following 82661280
and preceding 82661282 . In scientific notation, it is written as 8.2661281 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 79810864 positive integers (up to 82661281) that are relatively prime to 82661281.
82661281 has 4 divisors, whose sum is 85511700
The reverse of 82661281 is 18216628
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million six hundred sixty-one thousand two hundred eighty-one
Scientific notation
8.2661281 × 10^7
Engineering notation
8.2661281 × 10^6
Prime Factorization
29 × 2850389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82661281
Product of the distinct prime numbers
The prime factorization of 82661281 is 29 × 2850389.
Since it has a total of 2 prime factors.
6 , 3 , 99 , 55 , 356 , 390 , 9054 , 6656 , 24816 , 91774 , 920834 , 103710 , 4642438 , 1386479 , 30046312 , 22475967 , 943233859 , 659497455 , 347731998 , 3110944215
n×2
165322562
n×3
247983843
n×4
330645124
n×5
413306405
n÷2
41330640.5
n÷3
27553760.333333
n÷3
20665320.25
n÷5
16532256.2
n2
6832887376560961
n3
5.6481522347526E+23
n4
4.6688349900766E+31
n5
3.8593188105736E+39
2 √n
9091.8249543202
3 √n
435.61287811904
4 √n
95.351061631847
5 √n
38.323081807833
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
-82661280
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 82661281 can be divided by 4 positive divisors.
The sum of these divisors (counting 82661281) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010100111110100001
3
Ternary
12202112121221221
4
Quaternary
10323110332201
5
Quinary
132130130111
6
Senary
12111415041
8
Octal
473247641
10
Decimal
82661281
12
Duodecimal
23824481
16
Hexadecimal
4ed4fa1
20
Vigesimal
15gcd41
36
Base36
1d7pup
md5
e5d13b2809dd7acf5020879f9a669c8d
sha1
5c5f07ad6711a79bfd6e20c52d545551d5349ea0
sha256
0c0209ca32ed59887feab75ddfea8a0474362ef18311b47d838f4a9b0ec6e633
sha512
cc608a2a3de33c47be168aa2a571c0f5d8f32aff1d73feded02d06c1c0dc17275cb434ccda2e202aa2502370d1a3d77cb16fcc6540e40a2cb93fc128ac9d9f9a
ripemd-160
4d017ae083431b6dd465b4a3c992a31fc1b47909
Diameter
165322562
Circumference
519376146.25184
Area
2.146614878501E+16
Volume
2.3658924756074E+24
Surface area
8.5864595140041E+16
Circumference
519376146.25184
Perimeter
330645124
Area
6832887376560961
Diagonal
116900704.67333
Surface area
40997324259365766
Volume
5.6481522347526E+23
Space diagonal
143173538.51073
Perimeter
247983843
Area
2.9587270246499E+15
Altitude
71586769.255364
Surface area
2.9587270246499E+15
Volume
6.6564112439458E+22
Height
38966901.557778