82661989 is an odd 8-digits composite number following 82661988
and preceding 82661990 . In scientific notation, it is written as 8.2661989 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 78311340 positive integers (up to 82661989) that are relatively prime to 82661989.
82661989 has 4 divisors, whose sum is 87012640
The reverse of 82661989 is 98916628
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-two million six hundred sixty-one thousand nine hundred eighty-nine
Scientific notation
8.2661989 × 10^7
Engineering notation
8.2661989 × 10^6
Prime Factorization
19 × 4350631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82661989
Product of the distinct prime numbers
The prime factorization of 82661989 is 19 × 4350631.
Since it has a total of 2 prime factors.
4 , 5 , 58 , 98 , 195 , 168 , 5404 , 2600 , 48122 , 18202 , 406817 , 865496 , 3753192 , 703262 , 59730571 , 66165220 , 310895814 , 546623144 , 8080387770 , 7954530285
n×2
165323978
n×3
247985967
n×4
330647956
n×5
413309945
n÷2
41330994.5
n÷3
27553996.333333
n÷3
20665497.25
n÷5
16532397.8
n2
6833004425436121
n3
5.6482973665235E+23
n4
4.668994947803E+31
n5
3.8594840901634E+39
2 √n
9091.8638903142
3 √n
435.61412180102
4 √n
95.351265803419
5 √n
38.323147455616
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
-82661988
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 82661989 can be divided by 4 positive divisors.
The sum of these divisors (counting 82661989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101001001100101
3
Ternary
12202112122221011
4
Quaternary
10323111021211
5
Quinary
132130140424
6
Senary
12111422221
8
Octal
473251145
10
Decimal
82661989
12
Duodecimal
23824971
16
Hexadecimal
4ed5265
20
Vigesimal
15gcej9
36
Base36
1d7qed
md5
07dca2f14dfce22d3dd3a1fa5c137971
sha1
baccc7ff54e93ade34797c10adf585c339fa364f
sha256
2f03f1172d5be97f2c6c44104d2b50cc6694cbb115835994f61a9868d419c41d
sha512
7f9944ef4307cbd195a340feab32e798504792209a52db17efa7d6f95ef6476d1e8395884631065c879bf342fcceed1cfa9519c0a7e64c3ddef6dade17176ce4
ripemd-160
2247e137f9aa2b5246f7ce9f22f21884fa9696ff
Diameter
165323978
Circumference
519380594.74704
Area
2.1466516504897E+16
Volume
2.3659532682614E+24
Surface area
8.5866066019587E+16
Circumference
519380594.74704
Perimeter
330647956
Area
6833004425436121
Diagonal
116901705.93654
Surface area
40998026552616726
Volume
5.6482973665235E+23
Space diagonal
143174764.8027
Perimeter
247985967
Area
2.9587777082996E+15
Altitude
71587382.40135
Surface area
2.9587777082996E+15
Volume
6.6565822833782E+22
Height
38967235.312179