83281385 is an odd 8-digits composite number following 83281384
and preceding 83281386 . In scientific notation, it is written as 8.3281385 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 57004800 positive integers (up to 83281385) that are relatively prime to 83281385.
83281385 has 16 divisors, whose sum is 115437312
The reverse of 83281385 is 58318238
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-three million two hundred eighty-one thousand three hundred eighty-five
Scientific notation
8.3281385 × 10^7
Engineering notation
8.3281385 × 10^6
Prime Factorization
11 × 5 × 17 × 89071
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
83281385
Product of the distinct prime numbers
The prime factorization of 83281385 is 11 × 5 × 17 × 89071.
Since it has a total of 4 prime factors.
9 , 3 , 55 , 1 , 843 , 597 , 9466 , 5288 , 92540 , 68821 , 195744 , 511848 , 354408 , 791650 , 42325713 , 18739712 , 149034112 , 673159356 , 7573383944 , 6190424670
n×2
166562770
n×3
249844155
n×4
333125540
n×5
416406925
n÷2
41640692.5
n÷3
27760461.666667
n÷3
20820346.25
n÷5
16656277
n2
6935789087518225
n3
5.776221212764E+23
n4
4.8105170266537E+31
n5
4.006265205458E+39
2 √n
9125.8635207853
3 √n
436.6994514035
4 √n
95.529385640154
5 √n
38.380408057397
1 , 5 , 11 , 17 , 55 , 85 , 187 , 935 , 89071 , 445355 , 979781 , 1514207 , 4898905 , 7571035 , 16656277 , 83281385
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
-83281384
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 83281385 can be divided by 16 positive divisors.
The sum of these divisors (counting 83281385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111101101100010111101001
3
Ternary
12210201010120202
4
Quaternary
10331230113221
5
Quinary
132310001020
6
Senary
12133001545
8
Octal
475542751
10
Decimal
83281385
12
Duodecimal
23a832b5
16
Hexadecimal
4f6c5e9
20
Vigesimal
160a395
36
Base36
1dl0bt
md5
4670eec389f86251b82cfa8a12a264ed
sha1
37db16b2ab17fb600c2c9ff5dfa11149f941bc04
sha256
73d876b35725af86e647077557e58073abaafa611358cfde0e8e5b16dc1e60b7
sha512
7afd8ce260c419463ef92a0d9b939a02d321fdc5e85f342eec757656ba121201fa2c88d163d154de6032bcb6ddd60dee32f5be9c25d9e249dc617795bfc557de
ripemd-160
1da55932e91211db6482825ce3f1813a5488c5cf
Diameter
166562770
Circumference
523272374.59357
Area
2.1789424044196E+16
Volume
2.4195378836705E+24
Surface area
8.7157696176782E+16
Circumference
523272374.59357
Perimeter
333125540
Area
6935789087518225
Diagonal
117777664.16022
Surface area
41614734525109350
Volume
5.776221212764E+23
Space diagonal
144247590.1447
Perimeter
249844155
Area
3.0032847725408E+15
Altitude
72123795.072352
Surface area
3.0032847725408E+15
Volume
6.8073419819651E+22
Height
39259221.386738