64943946 is an even 8-digits composite number following 64943945
and preceding 64943947 . In scientific notation, it is written as 6.4943946 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 20949480 positive integers (up to 64943946) that are relatively prime to 64943946.
64943946 has 16 divisors, whose sum is 111732480
The reverse of 64943946 is 64934946
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million nine hundred forty-three thousand nine hundred forty-six
Scientific notation
6.4943946 × 10^7
Engineering notation
6.4943946 × 10^6
Prime Factorization
2 × 9 × 31 × 116387
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64943946
Product of the distinct prime numbers
The prime factorization of 64943946 is 2 × 9 × 31 × 116387.
Since it has a total of 4 prime factors.
7 , 6 , 98 , 64 , 118 , 451 , 7644 , 4338 , 40520 , 5376 , 247059 , 588478 , 9717073 , 9375886 , 68644029 , 41767889 , 621119646 , 875430058 , 2900256110 , 6954207596
n×2
129887892
n×3
194831838
n×4
259775784
n×5
324719730
n÷2
32471973
n÷3
21647982
n÷3
16235986.5
n÷5
12988789.2
n2
4217716122050916
n3
2.739151280738E+23
n4
1.7789129286208E+31
n5
1.1552962517505E+39
2 √n
8058.7806770007
3 √n
401.95696427993
4 √n
89.770711688171
5 √n
36.518063088567
1 , 2 , 9 , 18 , 31 , 62 , 279 , 558 , 116387 , 232774 , 1047483 , 2094966 , 3607997 , 7215994 , 32471973 , 64943946
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
-64943945
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 64943946 can be divided by 16 positive divisors.
The sum of these divisors (counting 64943946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111101111011101001010
3
Ternary
11112012111100100
4
Quaternary
3313233131022
5
Quinary
113111201241
6
Senary
10235550230
8
Octal
367573512
10
Decimal
64943946
12
Duodecimal
198bb376
16
Hexadecimal
3def74a
20
Vigesimal
105hjh6
36
Base36
12nz2i
md5
be69eed14dc98e33c3b3f6ff2fcba678
sha1
f1b05357d673f3e68f59195a517e5ff4c4d3ff4e
sha256
68a909df21a1b5e46376429504ba63818b2c5255aba62a1379349cc770d8cf76
sha512
2226d1fe730133c2917a7233b668ef2619ca57217e5814c7618fa603f46d1604253e7990e4bf3656b9916926a739c61f95632985e4b0fc5f191091849bfd1c98
ripemd-160
97f47f19a108ab1a1c31c6e98148826e884b3d8a
Diameter
129887892
Circumference
408054847.29746
Area
1.3250345983962E+16
Volume
1.1473730054184E+24
Surface area
5.300138393585E+16
Circumference
408054847.29746
Perimeter
259775784
Area
4217716122050916
Diagonal
91844609.227226
Surface area
25306296732305496
Volume
2.739151280738E+23
Space diagonal
112486214.11601
Perimeter
194831838
Area
1.8263246538236E+15
Altitude
56243107.058005
Surface area
1.8263246538236E+15
Volume
3.2281207421761E+22
Height
30614869.742409