64756978 is an even 8-digits composite number following 64756977
and preceding 64756979 . In scientific notation, it is written as 6.4756978 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors.
There are 24192000 positive integers (up to 64756978) that are relatively prime to 64756978.
64756978 has 32 divisors, whose sum is 110859840
The reverse of 64756978 is 87965746
Previous prime number is 187
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million seven hundred fifty-six thousand nine hundred seventy-eight
Scientific notation
6.4756978 × 10^7
Engineering notation
6.4756978 × 10^6
Prime Factorization
2 × 13 × 19 × 187 × 701
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64756978
Product of the distinct prime numbers
The prime factorization of 64756978 is 2 × 13 × 19 × 187 × 701.
Since it has a total of 5 prime factors.
9 , 2 , 48 , 8 , 577 , 639 , 8026 , 8008 , 68531 , 54254 , 236614 , 451370 , 9322902 , 1669528 , 47030443 , 36850495 , 352606631 , 746415459 , 8575842248 , 3486792868
n×2
129513956
n×3
194270934
n×4
259027912
n×5
323784890
n÷2
32378489
n÷3
21585659.333333
n÷3
16189244.5
n÷5
12951395.6
n2
4193466199692484
n3
2.7155619843723E+23
n4
1.7585158767963E+31
n5
1.1387617394635E+39
2 √n
8047.172049857
3 √n
401.57086041833
4 √n
89.706031290304
5 √n
36.497012364665
1 , 2 , 13 , 19 , 26 , 38 , 187 , 247 , 374 , 494 , 701 , 1402 , 2431 , 3553 , 4862 , 7106 , 9113 , 13319 , 18226 , 26638 , 46189 , 92378 , 131087 , 173147 , 262174 , 346294 , 1704131 , 2490653 , 3408262 , 4981306 , 32378489 , 64756978
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
-64756977
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 64756978 can be divided by 32 positive divisors.
The sum of these divisors (counting 64756978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111000001110011110010
3
Ternary
11111211222212121
4
Quaternary
3313001303302
5
Quinary
113034210403
6
Senary
10231544454
8
Octal
367016362
10
Decimal
64756978
12
Duodecimal
1982b12a
16
Hexadecimal
3dc1cf2
20
Vigesimal
104ec8i
36
Base36
12jysy
md5
f53002090f7785f95c6a2873f6ad3f29
sha1
17d75033c32a7a7b2c23968813c064a86c287b2d
sha256
3491ca6c98c8aa92696f5f28dd90f6e4009758ffce3fa618245c87b19122f4a3
sha512
349282366c7eb065d7133e3852805375c7a1c4785f4a41a4d65036e3408e38e092646859c56cd32f25ee90e5689ae2f40963cdb7c88dbfc52c3876542988908a
ripemd-160
619816e7bd5ba5b1dcbcd91d9df7e9a862d020a7
Diameter
129513956
Circumference
406880092.70695
Area
1.3174162606031E+16
Volume
1.1374919440629E+24
Surface area
5.2696650424124E+16
Circumference
406880092.70695
Perimeter
259027912
Area
4193466199692484
Diagonal
91580196.545896
Surface area
25160797198154904
Volume
2.7155619843723E+23
Space diagonal
112162376.04062
Perimeter
194270934
Area
1.8158241294225E+15
Altitude
56081188.02031
Surface area
1.8158241294225E+15
Volume
3.2003204898034E+22
Height
30526732.181965