83991915 is an odd 8-digits composite number following 83991914
and preceding 83991916 . In scientific notation, it is written as 8.3991915 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 38396160 positive integers (up to 83991915) that are relatively prime to 83991915.
83991915 has 8 divisors, whose sum is 93857984
The reverse of 83991915 is 51919938
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-three million nine hundred ninety-one thousand nine hundred fifteen
Scientific notation
8.3991915 × 10^7
Engineering notation
8.3991915 × 10^6
Prime Factorization
21 × 15 × 266641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
83991915
Product of the distinct prime numbers
The prime factorization of 83991915 is 21 × 15 × 266641.
Since it has a total of 3 prime factors.
1 , 3 , 88 , 72 , 740 , 529 , 6363 , 1221 , 68566 , 63332 , 386150 , 461159 , 9277916 , 4568465 , 78979570 , 91451568 , 743279753 , 632092188 , 2924458005 , 7205455724
n×2
167983830
n×3
251975745
n×4
335967660
n×5
419959575
n÷2
41995957.5
n÷3
27997305
n÷3
20997978.75
n÷5
16798383
n2
7054641785367225
n3
5.9253287319201E+23
n4
4.9767970719849E+31
n5
4.1801071664241E+39
2 √n
9164.7103063872
3 √n
437.93786258072
4 √n
95.732493472108
5 √n
38.445675559588
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
-83991914
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 83991915 can be divided by 8 positive divisors.
The sum of these divisors (counting 83991915) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000000011001110101101011
3
Ternary
12212001020020200
4
Quaternary
11000121311223
5
Quinary
133000220130
6
Senary
12200123243
8
Octal
500316553
10
Decimal
83991915
12
Duodecimal
24166523
16
Hexadecimal
5019d6b
20
Vigesimal
164ijff
36
Base36
1e08kr
md5
2a686f63e522eb0e8a78cddb8e91ccc0
sha1
28048fbaf389b80d1d361019d717be38f1767e58
sha256
52d61ee37baf741e69671ad91623f813cd16353432af6fb2b95e069f4e28c243
sha512
ca462886975fcfcdbf24273ef1a49b3717b22cb6fb63a617f70f048ace5e0a8d8c5f4531d00e133518a14d8a8630b37c1521238c57993a3e248db5c710f84577
ripemd-160
54bac6b9f19d1be14d5aa593db4ce2c23f8ae898
Diameter
167983830
Circumference
527736766.24988
Area
2.2162810806617E+16
Volume
2.4819958952406E+24
Surface area
8.8651243226469E+16
Circumference
527736766.24988
Perimeter
335967660
Area
7054641785367225
Diagonal
118782505.32269
Surface area
42327850712203350
Volume
5.9253287319201E+23
Space diagonal
145478264.20501
Perimeter
251975745
Area
3.0547495003636E+15
Altitude
72739132.102503
Surface area
3.0547495003636E+15
Volume
6.9830668785003E+22
Height
39594168.440896