82145621 is an odd 8-digits composite number following 82145620
and preceding 82145622 . In scientific notation, it is written as 8.2145621 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 82057932 positive integers (up to 82145621) that are relatively prime to 82145621.
82145621 has 4 divisors, whose sum is 82233312
The reverse of 82145621 is 12654128
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-two million one hundred forty-five thousand six hundred twenty-one
Scientific notation
8.2145621 × 10^7
Engineering notation
8.2145621 × 10^6
Prime Factorization
947 × 86743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82145621
Product of the distinct prime numbers
The prime factorization of 82145621 is 947 × 86743.
Since it has a total of 2 prime factors.
4 , 4 , 41 , 33 , 491 , 158 , 6020 , 3153 , 70219 , 93252 , 348456 , 540033 , 3089198 , 6903633 , 60497443 , 58687739 , 491569293 , 362315464 , 6141464573 , 1627727826
n×2
164291242
n×3
246436863
n×4
328582484
n×5
410728105
n÷2
41072810.5
n÷3
27381873.666667
n÷3
20536405.25
n÷5
16429124.2
n2
6747903049475641
n3
5.5431068644697E+23
n4
4.5534195565123E+31
n5
3.7404347714324E+39
2 √n
9063.4221461874
3 √n
434.70517036886
4 √n
95.202007049155
5 √n
38.275148418322
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
-82145620
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 82145621 can be divided by 4 positive divisors.
The sum of these divisors (counting 82145621) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010111000101010101
3
Ternary
12201120102121102
4
Quaternary
10321113011111
5
Quinary
132012124441
6
Senary
12052355445
8
Octal
471270525
10
Decimal
82145621
12
Duodecimal
23615b85
16
Hexadecimal
4e57155
20
Vigesimal
15d8411
36
Base36
1cwnyt
md5
4dd42444ffa970c825d5367e8c6097af
sha1
aef15f15c9a4fe3015392e22adb0c0d5514d2935
sha256
4813682af1d7209661cef2ec5d07f3da17a46ec2194797f21c1331907c39c0d9
sha512
8ed8c9630d3a0439a94999a133d66eed43b9d524f9daa0fec8a96179b3204e5cc2b1e37296fbae953e0f82cf8e05e674372df01788c0897832ca56c6dbc84e7e
ripemd-160
b18df2f4b74f8bd21fb61f11c2aa580318cd3675
Diameter
164291242
Circumference
516136158.91634
Area
2.1199162647369E+16
Volume
2.3218911737975E+24
Surface area
8.4796650589475E+16
Circumference
516136158.91634
Perimeter
328582484
Area
6747903049475641
Diagonal
116171451.30776
Surface area
40487418296853846
Volume
5.5431068644697E+23
Space diagonal
142280389.1913
Perimeter
246436863
Area
2.9219277315602E+15
Altitude
71140194.595648
Surface area
2.9219277315602E+15
Volume
6.532614087847E+22
Height
38723817.102587