65939991 is an odd 8-digits composite number following 65939990
and preceding 65939992 . In scientific notation, it is written as 6.5939991 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 37946880 positive integers (up to 65939991) that are relatively prime to 65939991.
65939991 has 32 divisors, whose sum is 100896768
The reverse of 65939991 is 19993956
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-five million nine hundred thirty-nine thousand nine hundred ninety-one
Scientific notation
6.5939991 × 10^7
Engineering notation
6.5939991 × 10^6
Prime Factorization
3 × 13 × 17 × 367 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65939991
Product of the distinct prime numbers
The prime factorization of 65939991 is 3 × 13 × 17 × 367 × 271.
Since it has a total of 5 prime factors.
4 , 7 , 48 , 28 , 246 , 638 , 7651 , 7205 , 43823 , 44578 , 149130 , 642866 , 3294117 , 9319772 , 1584169 , 8710954 , 704336387 , 586435297 , 1391279120 , 746682059
n×2
131879982
n×3
197819973
n×4
263759964
n×5
329699955
n÷2
32969995.5
n÷3
21979997
n÷3
16484997.75
n÷5
13187998.2
n2
4348082413080081
n3
2.8671251518576E+23
n4
1.8905820670936E+31
n5
1.2466496448892E+39
2 √n
8120.344266101
3 √n
404.0014847346
4 √n
90.112952820896
5 √n
36.629397625823
1 , 3 , 13 , 17 , 39 , 51 , 221 , 271 , 367 , 663 , 813 , 1101 , 3523 , 4607 , 4771 , 6239 , 10569 , 13821 , 14313 , 18717 , 59891 , 81107 , 99457 , 179673 , 243321 , 298371 , 1292941 , 1690769 , 3878823 , 5072307 , 21979997 , 65939991
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65939990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65939991 can be divided by 32 positive divisors.
The sum of these divisors (counting 65939991) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111011100010101000010111
3
Ternary
11121002002122220
4
Quaternary
3323202220113
5
Quinary
113340034431
6
Senary
10313153423
8
Octal
373425027
10
Decimal
65939991
12
Duodecimal
1a0bb873
16
Hexadecimal
3ee2a17
20
Vigesimal
10c29jb
36
Base36
139bmf
md5
dd9eb550b48cf3159a5cb16778cceef2
sha1
213b0f15fde7edda6512cb22612a3303cbbaf924
sha256
1b05883ff9fe5a756770b02aa4e54048a5722a5baaa7ba215932b3099d106d5b
sha512
9aa37b0223a9ba39992f08b407219978d0def12eb9c4eef9dcf6f379d52e39e0903e1316b5f85e757f2c5f9c2101447be2f3b4c3da980ab083d38c06be6d8f68
ripemd-160
fad7d0a2e7ac32922d6b2045e3b69b91a11c89cd
Diameter
131879982
Circumference
414313182.60675
Area
1.3659903766135E+16
Volume
1.2009785751998E+24
Surface area
5.4639615064541E+16
Circumference
414313182.60675
Perimeter
263759964
Area
4348082413080081
Diagonal
93253229.57496
Surface area
26088494478480486
Volume
2.8671251518576E+23
Space diagonal
114211414.66263
Perimeter
197819973
Area
1.8827749137378E+15
Altitude
57105707.331317
Surface area
1.8827749137378E+15
Volume
3.3789393956484E+22
Height
31084409.85832