64491142 is an even 8-digits composite number following 64491141
and preceding 64491143 . In scientific notation, it is written as 6.4491142 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 30899232 positive integers (up to 64491142) that are relatively prime to 64491142.
64491142 has 16 divisors, whose sum is 100861200
The reverse of 64491142 is 24119446
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-four million four hundred ninety-one thousand one hundred forty-two
Scientific notation
6.4491142 × 10^7
Engineering notation
6.4491142 × 10^6
Prime Factorization
2 × 43 × 53 × 14149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64491142
Product of the distinct prime numbers
The prime factorization of 64491142 is 2 × 43 × 53 × 14149.
Since it has a total of 4 prime factors.
1 , 8 , 30 , 31 , 255 , 863 , 9364 , 7754 , 57806 , 86970 , 394827 , 544370 , 8871772 , 5952670 , 51155845 , 62224633 , 861776460 , 674504871 , 4011312657 , 4182175325
n×2
128982284
n×3
193473426
n×4
257964568
n×5
322455710
n÷2
32245571
n÷3
21497047.333333
n÷3
16122785.5
n÷5
12898228.4
n2
4159107396464164
n3
2.6822558569862E+23
n4
1.7298174335323E+31
n5
1.1155790174001E+39
2 √n
8030.6377081774
3 √n
401.0206061927
4 √n
89.613825429882
5 √n
36.466998021829
1 , 2 , 43 , 53 , 86 , 106 , 2279 , 4558 , 14149 , 28298 , 608407 , 749897 , 1216814 , 1499794 , 32245571 , 64491142
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
-64491141
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 64491142 can be divided by 16 positive divisors.
The sum of these divisors (counting 64491142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110110000000111010000110
3
Ternary
11111100111012211
4
Quaternary
3312000322012
5
Quinary
113002204032
6
Senary
10222134034
8
Octal
366007206
10
Decimal
64491142
12
Duodecimal
1972131a
16
Hexadecimal
3d80e86
20
Vigesimal
10317h2
36
Base36
12e9om
md5
629e1d8fa804ec6d91fa2886022fbcf8
sha1
025d8a9da3c8987e3352af5a82e56c3b8f288328
sha256
339ac25b8cf86ff565d547c0d0e714756a56315e33171fb85261b5abf7db4029
sha512
e69a667782f2c8d8fa774e4ec7dd46b26a88f2b06213097193ce9adb230b97108c6784c6434434c808c8e8fd9feb8a232094ff7a1fca9be70816d9d25095a11d
ripemd-160
8e21c03c1d8dbfcf6214f62f82322ed8118e3a37
Diameter
128982284
Circumference
405209795.85763
Area
1.3066221242223E+16
Volume
1.1235407060475E+24
Surface area
5.2264884968891E+16
Circumference
405209795.85763
Perimeter
257964568
Area
4159107396464164
Diagonal
91204247.669329
Surface area
24954644378784984
Volume
2.6822558569862E+23
Space diagonal
111701934.58214
Perimeter
193473426
Area
1.8009463312029E+15
Altitude
55850967.29107
Surface area
1.8009463312029E+15
Volume
3.1610688422538E+22
Height
30401415.889776