64493457 is an odd 8-digits composite number following 64493456
and preceding 64493458 . In scientific notation, it is written as 6.4493457 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 36465408 positive integers (up to 64493457) that are relatively prime to 64493457.
64493457 has 16 divisors, whose sum is 78029952
The reverse of 64493457 is 75439446
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-four million four hundred ninety-three thousand four hundred fifty-seven
Scientific notation
6.4493457 × 10^7
Engineering notation
6.4493457 × 10^6
Prime Factorization
21 × 7 × 97 × 4523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64493457
Product of the distinct prime numbers
The prime factorization of 64493457 is 21 × 7 × 97 × 4523.
Since it has a total of 4 prime factors.
4 , 6 , 61 , 57 , 331 , 939 , 7104 , 1144 , 40405 , 52550 , 868554 , 772641 , 9047164 , 52181 , 9814050 , 94921213 , 169869162 , 872703511 , 1110956924 , 8958891494
n×2
128986914
n×3
193480371
n×4
257973828
n×5
322467285
n÷2
32246728.5
n÷3
21497819
n÷3
16123364.25
n÷5
12898691.4
n2
4159405995810849
n3
2.6825447173637E+23
n4
1.7300658237987E+31
n5
1.1157792581433E+39
2 √n
8030.7818423862
3 √n
401.02540453434
4 √n
89.614629622547
5 √n
36.467259824879
1 , 7 , 21 , 97 , 147 , 679 , 2037 , 4523 , 14259 , 31661 , 94983 , 438731 , 664881 , 3071117 , 9213351 , 64493457
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
-64493456
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 64493457 can be divided by 16 positive divisors.
The sum of these divisors (counting 64493457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110110000001011110010001
3
Ternary
11111100121101120
4
Quaternary
3312001132101
5
Quinary
113002242312
6
Senary
10222152453
8
Octal
366013621
10
Decimal
64493457
12
Duodecimal
19722729
16
Hexadecimal
3d81791
20
Vigesimal
1031dch
36
Base36
12ebgx
md5
87b50b5935deaf619067c4ecc68af18e
sha1
64310cad07a20fe7918e4e82424af89d96512052
sha256
3d201f7aef782b6879a6b183312ff4003fcc53c4b57c5bb5d3b7d1b19a40b1dc
sha512
34bdbebf973e5d958651b16f4da0e119d6501eccb3c258a519b38343bb8fd71f40799da64f007ff787990bcaeb7ac7f678f7ddbd7f0a48ee98745c43ead773ea
ripemd-160
568d970570eed8a2633b1d2696822143cdd4ccdc
Diameter
128986914
Circumference
405224341.43162
Area
1.3067159319737E+16
Volume
1.1236617035995E+24
Surface area
5.2268637278947E+16
Circumference
405224341.43162
Perimeter
257973828
Area
4159405995810849
Diagonal
91207521.573726
Surface area
24956435974865094
Volume
2.6825447173637E+23
Space diagonal
111705944.27976
Perimeter
193480371
Area
1.8010756285128E+15
Altitude
55852972.139879
Surface area
1.8010756285128E+15
Volume
3.1614092674734E+22
Height
30402507.191242