83991421 is an odd 8-digits composite number following 83991420
and preceding 83991422 . In scientific notation, it is written as 8.3991421 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 83280960 positive integers (up to 83991421) that are relatively prime to 83991421.
83991421 has 8 divisors, whose sum is 84704984
The reverse of 83991421 is 12419938
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-three million nine hundred ninety-one thousand four hundred twenty-one
Scientific notation
8.3991421 × 10^7
Engineering notation
8.3991421 × 10^6
Prime Factorization
181 × 613 × 757
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
83991421
Product of the distinct prime numbers
The prime factorization of 83991421 is 181 × 613 × 757.
Since it has a total of 3 prime factors.
9 , 8 , 79 , 98 , 113 , 752 , 9326 , 5028 , 15948 , 61475 , 889514 , 261228 , 2479537 , 4877389 , 90710057 , 67851449 , 7216205 , 39513175 , 2749522316 , 7442477753
n×2
167982842
n×3
251974263
n×4
335965684
n×5
419957105
n÷2
41995710.5
n÷3
27997140.333333
n÷3
20997855.25
n÷5
16798284.2
n2
7054558801599241
n3
5.9252241827438E+23
n4
4.9766799885221E+31
n5
4.1799842409824E+39
2 √n
9164.6833551411
3 √n
437.93700399916
4 √n
95.73235270869
5 √n
38.445630335691
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
-83991420
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 83991421 can be divided by 8 positive divisors.
The sum of these divisors (counting 83991421) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000000011001101101111101
3
Ternary
12212001012120101
4
Quaternary
11000121231331
5
Quinary
133000211141
6
Senary
12200121101
8
Octal
500315575
10
Decimal
83991421
12
Duodecimal
24166191
16
Hexadecimal
5019b7d
20
Vigesimal
164iib1
36
Base36
1e0871
md5
0ad153e029c644ab50062b72d1e09092
sha1
f4b493d167f9df417e815cc50204539aff7561f8
sha256
358224cbcfe9b783c341a12a141bf3e7a712228ed4a1e818f07fb7da0d1f1e16
sha512
b63beb90061a39219a834a5427083709bf0770b4fa9d6da3cb972ddf9f43d6db878b374dddabb5f70e4906d22bf6bd4cd42fea1385bcb4a081587d7501e27eea
ripemd-160
1f7abdd7eadfd06990df0f740e55a30d78fac32e
Diameter
167982842
Circumference
527733662.35633
Area
2.2162550105421E+16
Volume
2.4819521017841E+24
Surface area
8.8650200421686E+16
Circumference
527733662.35633
Perimeter
335965684
Area
7054558801599241
Diagonal
118781806.70119
Surface area
42327352809595446
Volume
5.9252241827438E+23
Space diagonal
145477408.57191
Perimeter
251974263
Area
3.054713567338E+15
Altitude
72738704.285954
Surface area
3.054713567338E+15
Volume
6.9829436661144E+22
Height
39593935.567063