64749785 is an odd 8-digits composite number following 64749784
and preceding 64749786 . In scientific notation, it is written as 6.4749785 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 50697520 positive integers (up to 64749785) that are relatively prime to 64749785.
64749785 has 8 divisors, whose sum is 79353216
The reverse of 64749785 is 58794746
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-four million seven hundred forty-nine thousand seven hundred eighty-five
Scientific notation
6.4749785 × 10^7
Engineering notation
6.4749785 × 10^6
Prime Factorization
5 × 47 × 275531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64749785
Product of the distinct prime numbers
The prime factorization of 64749785 is 5 × 47 × 275531.
Since it has a total of 3 prime factors.
1 , 4 , 63 , 18 , 646 , 594 , 8114 , 3590 , 91939 , 78245 , 542373 , 644104 , 1373252 , 6354525 , 94188468 , 42421539 , 81002575 , 867396574 , 4331384371 , 9536638534
n×2
129499570
n×3
194249355
n×4
258999140
n×5
323748925
n÷2
32374892.5
n÷3
21583261.666667
n÷3
16187446.25
n÷5
12949957
n2
4192534657546225
n3
2.7146571768117E+23
n4
1.7577346854726E+31
n5
1.138129429714E+39
2 √n
8046.7251102545
3 √n
401.55599146138
4 √n
89.703540121082
5 √n
36.496201534132
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
-64749784
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 64749785 can be divided by 8 positive divisors.
The sum of these divisors (counting 64749785) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111000000000011011001
3
Ternary
11111211122000012
4
Quaternary
3313000003121
5
Quinary
113033443120
6
Senary
10231451305
8
Octal
367000331
10
Decimal
64749785
12
Duodecimal
19826b35
16
Hexadecimal
3dc00d9
20
Vigesimal
104de95
36
Base36
12jt95
md5
53f59f7cb7816875cf3b04b2251c4569
sha1
ec54a4b997c232643e40a74ab61061ebdcb9392c
sha256
5f775844898bb13beff850c89023b8b1012f7f3f2f3e0f3531e30199e3945037
sha512
dc2ca317292da1dfdc322f1142795fd663487c793d5ff2ba53e0f22911644d82bef95b105fc2d2854510c78291087f1e6c4df59789b7a182b70d63602278d16d
ripemd-160
335ec5068231d57a19e52d9021ff3a1b2b3a2c3f
Diameter
129499570
Circumference
406834897.75504
Area
1.3171236080068E+16
Volume
1.1371129391582E+24
Surface area
5.2684944320271E+16
Circumference
406834897.75504
Perimeter
258999140
Area
4192534657546225
Diagonal
91570024.107742
Surface area
25155207945277350
Volume
2.7146571768117E+23
Space diagonal
112149917.39916
Perimeter
194249355
Area
1.8154207598409E+15
Altitude
56074958.699581
Surface area
1.8154207598409E+15
Volume
3.1992541638671E+22
Height
30523341.369247