83640991 is an odd 8-digits composite number following 83640990
and preceding 83640992 . In scientific notation, it is written as 8.3640991 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 69455232 positive integers (up to 83640991) that are relatively prime to 83640991.
83640991 has 16 divisors, whose sum is 97384000
The reverse of 83640991 is 19904638
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-three million six hundred forty thousand nine hundred ninety-one
Scientific notation
8.3640991 × 10^7
Engineering notation
8.3640991 × 10^6
Prime Factorization
469 × 7 × 73 × 349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
83640991
Product of the distinct prime numbers
The prime factorization of 83640991 is 469 × 7 × 73 × 349.
Since it has a total of 4 prime factors.
3 , 1 , 11 , 36 , 625 , 993 , 9304 , 1481 , 81014 , 90192 , 915706 , 400081 , 5961511 , 8746774 , 12621729 , 43425647 , 905798265 , 326595785 , 1636592656 , 5667599052
n×2
167281982
n×3
250922973
n×4
334563964
n×5
418204955
n÷2
41820495.5
n÷3
27880330.333333
n÷3
20910247.75
n÷5
16728198.2
n2
6995815375462081
n3
5.8513693085669E+23
n4
4.8941432767552E+31
n5
4.0935099376379E+39
2 √n
9145.5448716848
3 √n
437.32709967867
4 √n
95.632342184456
5 √n
38.413495999634
1 , 7 , 73 , 349 , 469 , 511 , 2443 , 3283 , 25477 , 34237 , 163681 , 178339 , 239659 , 1145767 , 11948713 , 83640991
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
-83640990
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 83640991 can be divided by 16 positive divisors.
The sum of these divisors (counting 83640991) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111111000100001010011111
3
Ternary
12211101101212111
4
Quaternary
10333010022133
5
Quinary
132403002431
6
Senary
12144414451
8
Octal
477041237
10
Decimal
83640991
12
Duodecimal
24017427
16
Hexadecimal
4fc429f
20
Vigesimal
162f29b
36
Base36
1dspsv
md5
b9bab4e8bc158c005c1d88c37bf45463
sha1
2a7faf0d99082ede93f35a57147375fd6e38b008
sha256
467f27f19c2dc3b1fb770cb85a316ce3d984752be2dfe1d1840d2e0bbf4acec0
sha512
daa5a773886023a5f3d0f11a8f20d98a6044ae41d516be651c5de7d00b6d1c5b8e75b6d6a770085a0687d80316b77fbc0b41fe9c1a67f01e4682350ac9525818
ripemd-160
f9519fee7a77b2afeec4ac681ef350719afbd14a
Diameter
167281982
Circumference
525531845.72914
Area
2.1978002189422E+16
Volume
2.4510158444313E+24
Surface area
8.7912008757689E+16
Circumference
525531845.72914
Perimeter
334563964
Area
6995815375462081
Diagonal
118286223.84253
Surface area
41974892252772486
Volume
5.8513693085669E+23
Space diagonal
144870446.00741
Perimeter
250922973
Area
3.029276917668E+15
Altitude
72435223.003706
Surface area
3.029276917668E+15
Volume
6.8959048621908E+22
Height
39428741.280842