83661639 is an odd 8-digits composite number following 83661638
and preceding 83661640 . In scientific notation, it is written as 8.3661639 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 55465920 positive integers (up to 83661639) that are relatively prime to 83661639.
83661639 has 8 divisors, whose sum is 112165872
The reverse of 83661639 is 93616638
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-three million six hundred sixty-one thousand six hundred thirty-nine
Scientific notation
8.3661639 × 10^7
Engineering notation
8.3661639 × 10^6
Prime Factorization
3 × 181 × 154073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
83661639
Product of the distinct prime numbers
The prime factorization of 83661639 is 3 × 181 × 154073.
Since it has a total of 3 prime factors.
7 , 4 , 50 , 78 , 172 , 617 , 9813 , 1455 , 25325 , 1760 , 567946 , 830922 , 2154825 , 473543 , 25083258 , 94894017 , 515457788 , 83285668 , 2317689631 , 3594918073
n×2
167323278
n×3
250984917
n×4
334646556
n×5
418308195
n÷2
41830819.5
n÷3
27887213
n÷3
20915409.75
n÷5
16732327.8
n2
6999269840166321
n3
5.8557038663158E+23
n4
4.8989778295462E+31
n5
4.098565146445E+39
2 √n
9146.6736576747
3 √n
437.36308357799
4 √n
95.638243698192
5 √n
38.415392398867
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-83661638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 83661639 can be divided by 8 positive divisors.
The sum of these divisors (counting 83661639) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111111001001001101000111
3
Ternary
12211102110012020
4
Quaternary
10333021031013
5
Quinary
132404133024
6
Senary
12145054223
8
Octal
477111507
10
Decimal
83661639
12
Duodecimal
24027373
16
Hexadecimal
4fc9347
20
Vigesimal
162he1j
36
Base36
1dt5qf
md5
fb6b5ea4e2ebd0e1fbb392a2802ef3f3
sha1
e0b8f819bae412e51a66e4ff8135d190319209af
sha256
9d2127264e37740308bfd095430a53bbe69bf5ea174981bd1b19b05fbdc3b8fb
sha512
cb9899e9bf800efab9ddea4a1a9b42fa15c8fb104fb42a36e1359ddfec38012fbe2dd212fb3b3dfd41109b777b4feb2a917ddefdaef74b9f4ef04333b5f39035
ripemd-160
b41a21ef682b8200b081da54e9fa5e5d2b874a2c
Diameter
167323278
Circumference
525661580.93936
Area
2.1988854710359E+16
Volume
2.4528314997354E+24
Surface area
8.7955418841436E+16
Circumference
525661580.93936
Perimeter
334646556
Area
6999269840166321
Diagonal
118315424.52416
Surface area
41995619040997926
Volume
5.8557038663158E+23
Space diagonal
144906209.39249
Perimeter
250984917
Area
3.0307727447631E+15
Altitude
72453104.696243
Surface area
3.0307727447631E+15
Volume
6.901013187487E+22
Height
39438474.841387