64691841 is an odd 8-digits composite number following 64691840
and preceding 64691842 . In scientific notation, it is written as 6.4691841 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 43127892 positive integers (up to 64691841) that are relatively prime to 64691841.
64691841 has 4 divisors, whose sum is 86255792
The reverse of 64691841 is 14819646
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-four million six hundred ninety-one thousand eight hundred forty-one
Scientific notation
6.4691841 × 10^7
Engineering notation
6.4691841 × 10^6
Prime Factorization
3 × 21563947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64691841
Product of the distinct prime numbers
The prime factorization of 64691841 is 3 × 21563947.
Since it has a total of 2 prime factors.
3 , 10 , 85 , 86 , 76 , 137 , 8809 , 2363 , 38701 , 54497 , 204178 , 944875 , 5749635 , 5353399 , 79281058 , 7961219 , 597046826 , 565400900 , 2357728953 , 4905149736
n×2
129383682
n×3
194075523
n×4
258767364
n×5
323459205
n÷2
32345920.5
n÷3
21563947
n÷3
16172960.25
n÷5
12938368.2
n2
4185034291969281
n3
2.7073757299562E+23
n4
1.7514512024959E+31
n5
1.1330460271112E+39
2 √n
8043.1238334369
3 √n
401.43617276481
4 √n
89.683464660086
5 √n
36.489667170221
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64691840
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64691841 can be divided by 4 positive divisors.
The sum of these divisors (counting 64691841) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110110001111010000001
3
Ternary
11111201200112010
4
Quaternary
3312301322001
5
Quinary
113030114331
6
Senary
10230323133
8
Octal
366617201
10
Decimal
64691841
12
Duodecimal
197b94a9
16
Hexadecimal
3db1e81
20
Vigesimal
10469c1
36
Base36
12ikjl
md5
792f1247f44c381fb781aaeac1b3e0dd
sha1
4d7dc8aa11f0acbac41b14831e3a8d973c428efc
sha256
be8cd325d7cfb1d4fc150c34e8b06175a74d88145935bd151c3b1fae7ecc023d
sha512
4b47b9e88ecd1b743615aa622c8ca3247dc3da6b75c39d25ebea4699048aa4ae48f9496a63d87f1dbacfdfd61a77d9edb270d2478d3aa510f74a650dc00666ef
ripemd-160
b39b7749d33331e026111aa3c72396392b64c212
Diameter
129383682
Circumference
406470824.8656
Area
1.3147672986672E+16
Volume
1.1340628938317E+24
Surface area
5.2590691946688E+16
Circumference
406470824.8656
Perimeter
258767364
Area
4185034291969281
Diagonal
91488078.917084
Surface area
25110205751815686
Volume
2.7073757299562E+23
Space diagonal
112049555.44717
Perimeter
194075523
Area
1.8121730062772E+15
Altitude
56024777.723584
Surface area
1.8121730062772E+15
Volume
3.1906728964532E+22
Height
30496026.305695