64181997 is an odd 8-digits composite number following 64181996
and preceding 64181998 . In scientific notation, it is written as 6.4181997 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 37638000 positive integers (up to 64181997) that are relatively prime to 64181997.
64181997 has 16 divisors, whose sum is 89241600
The reverse of 64181997 is 79918146
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million one hundred eighty-one thousand nine hundred ninety-seven
Scientific notation
6.4181997 × 10^7
Engineering notation
6.4181997 × 10^6
Prime Factorization
99 × 3 × 31 × 6971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64181997
Product of the distinct prime numbers
The prime factorization of 64181997 is 99 × 3 × 31 × 6971.
Since it has a total of 4 prime factors.
10 , 7 , 53 , 94 , 905 , 348 , 8457 , 2374 , 40340 , 67197 , 883036 , 356680 , 5027720 , 4772128 , 54227746 , 82361349 , 340441903 , 193593832 , 7063438337 , 2481878676
n×2
128363994
n×3
192545991
n×4
256727988
n×5
320909985
n÷2
32090998.5
n÷3
21393999
n÷3
16045499.25
n÷5
12836399.4
n2
4119328738908009
n3
2.6438674476261E+23
n4
1.6968869259193E+31
n5
1.0890959158869E+39
2 √n
8011.3667373302
3 √n
400.37880157684
4 √n
89.506238538608
5 √n
36.431969121469
1 , 3 , 31 , 93 , 99 , 297 , 3069 , 6971 , 9207 , 20913 , 216101 , 648303 , 690129 , 2070387 , 21393999 , 64181997
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
-64181996
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 64181997 can be divided by 16 positive divisors.
The sum of these divisors (counting 64181997) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110100110101011011101101
3
Ternary
11110202210011000
4
Quaternary
3310311123231
5
Quinary
112412310442
6
Senary
10211350513
8
Octal
364653355
10
Decimal
64181997
12
Duodecimal
195b2439
16
Hexadecimal
3d356ed
20
Vigesimal
1012ejh
36
Base36
127n59
md5
ac16febf549ce2d1ff9c625a7b5cf29f
sha1
d8d1f4fa094f0a81363ef110465e224ad38ba55d
sha256
988a6e380d51892cf58d8a5dcec0ffcf701d15e4278135ff1589633b828d6c40
sha512
80008ce38e99034f969552cb3809a321fef5de26468ec741c9f365d01f531ad45ab53f7e5c541b8f7b7c987b2081cb8b2dcec1cb9a9f79ba78354022e31d15c2
ripemd-160
eeba5fc71d8fb50f56607008c569058401af8849
Diameter
128363994
Circumference
403267380.53584
Area
1.2941252903875E+16
Volume
1.107460606737E+24
Surface area
5.1765011615499E+16
Circumference
403267380.53584
Perimeter
256727988
Area
4119328738908009
Diagonal
90767050.617589
Surface area
24715972433448054
Volume
2.6438674476261E+23
Space diagonal
111166479.73523
Perimeter
192545991
Area
1.7837216672168E+15
Altitude
55583239.867617
Surface area
1.7837216672168E+15
Volume
3.1158276679579E+22
Height
30255683.539196