64991738 is an even 8-digits composite number following 64991737
and preceding 64991739 . In scientific notation, it is written as 6.4991738 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 27783000 positive integers (up to 64991738) that are relatively prime to 64991738.
64991738 has 24 divisors, whose sum is 113691744
The reverse of 64991738 is 83719946
Previous prime number is 631
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-four million nine hundred ninety-one thousand seven hundred thirty-eight
Scientific notation
6.4991738 × 10^7
Engineering notation
6.4991738 × 10^6
Prime Factorization
2 × 7 × 7 × 631 × 1051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9284534
Product of the distinct prime numbers
The prime factorization of 64991738 is 2 × 7 × 7 × 631 × 1051.
Since it has a total of 5 prime factors.
8 , 7 , 64 , 85 , 563 , 274 , 5256 , 5777 , 64411 , 63469 , 699063 , 354504 , 3961847 , 8908068 , 24900144 , 67989602 , 700831418 , 112749673 , 4533600472 , 7395948390
n×2
129983476
n×3
194975214
n×4
259966952
n×5
324958690
n÷2
32495869
n÷3
21663912.666667
n÷3
16247934.5
n÷5
12998347.6
n2
4223926008260644
n3
2.7452029246026E+23
n4
1.7841550923261E+31
n5
1.1595534031182E+39
2 √n
8061.7453445268
3 √n
402.05553963132
4 √n
89.787222612835
5 √n
36.523436207603
1 , 2 , 7 , 14 , 49 , 98 , 631 , 1051 , 1262 , 2102 , 4417 , 7357 , 8834 , 14714 , 30919 , 51499 , 61838 , 102998 , 663181 , 1326362 , 4642267 , 9284534 , 32495869 , 64991738
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64991737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64991738 can be divided by 24 positive divisors.
The sum of these divisors (counting 64991738) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11110111111011000111111010
3
Ternary
11112021220220102
4
Quaternary
3313323013322
5
Quinary
113114213423
6
Senary
10240555402
8
Octal
367730772
10
Decimal
64991738
12
Duodecimal
19922b62
16
Hexadecimal
3dfb1fa
20
Vigesimal
1063j6i
36
Base36
12ozy2
md5
5e1feb84890eaa59ed2cbb3fb5c1c8b9
sha1
5321d9f2fac6eb11d5b799e34584a219e5b64cd3
sha256
ff0fcabb742aae14fa87604074d6965a66e075623950142ed2306829c8211d1b
sha512
f2a6b9bf44ba0ab9d8d7fe105c37bbeeb4c0cb45a5e163ee5b6fbd19357bf1463459651f147a30e258ff555e10af89411a054465720cf6a658fbc634af4e338a
ripemd-160
3fbbd02118672da01488fe3f3fa343e94c67fe6d
Diameter
129983476
Circumference
408355133.28967
Area
1.3269854916858E+16
Volume
1.1499079120726E+24
Surface area
5.3079419667434E+16
Circumference
408355133.28967
Perimeter
259966952
Area
4223926008260644
Diagonal
91912197.321799
Surface area
25343556049563864
Volume
2.7452029246026E+23
Space diagonal
112568992.2882
Perimeter
194975214
Area
1.8290136134298E+15
Altitude
56284496.144102
Surface area
1.8290136134298E+15
Volume
3.2352526728661E+22
Height
30637399.107266