64839986 is an even 8-digits composite number following 64839985
and preceding 64839987 . In scientific notation, it is written as 6.4839986 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 32419992 positive integers (up to 64839986) that are relatively prime to 64839986.
64839986 has 4 divisors, whose sum is 97259982
The reverse of 64839986 is 68993846
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-four million eight hundred thirty-nine thousand nine hundred eighty-six
Scientific notation
6.4839986 × 10^7
Engineering notation
6.4839986 × 10^6
Prime Factorization
2 × 32419993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64839986
Product of the distinct prime numbers
The prime factorization of 64839986 is 2 × 32419993.
Since it has a total of 2 prime factors.
10 , 9 , 15 , 12 , 14 , 696 , 9141 , 2975 , 85493 , 41942 , 260742 , 615815 , 666901 , 7099641 , 36801885 , 5541945 , 509741802 , 669802324 , 8429411792 , 5245626928
n×2
129679972
n×3
194519958
n×4
259359944
n×5
324199930
n÷2
32419993
n÷3
21613328.666667
n÷3
16209996.5
n÷5
12967997.2
n2
4204223784480196
n3
2.7260181132656E+23
n4
1.7675497629989E+31
n5
1.1460790188715E+39
2 √n
8052.3279863652
3 √n
401.74237017877
4 √n
89.734764647628
5 √n
36.506364227382
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
-64839985
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 64839986 can be divided by 4 positive divisors.
The sum of these divisors (counting 64839986) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110111010110000100110010
3
Ternary
11112000012201222
4
Quaternary
3313112010302
5
Quinary
113044334421
6
Senary
10233425042
8
Octal
367260462
10
Decimal
64839986
12
Duodecimal
1986b182
16
Hexadecimal
3dd6132
20
Vigesimal
1054jj6
36
Base36
12lquq
md5
85e7bc0410f833c563887b41cf4c8a86
sha1
e4296e9c41af0fa3e8bdfabdb2ee02ea3796b443
sha256
10731f638612cd3beef934be6ddb8a5215dce6cd3d1ebcc1f72587f903837391
sha512
6ed09df6a1638e055b365a04a0cfc75093eab1e2c0ae918ec7a0d4bf5396515f759df6c5870b77364a90e4eef47ade328fd0d97377ba32fd6deca6325acd54de
ripemd-160
93eb148c8c3a49805cc66a1f8ed78e074743ca08
Diameter
129679972
Circumference
407401647.35293
Area
1.320795855537E+16
Volume
1.1418717970917E+24
Surface area
5.2831834221482E+16
Circumference
407401647.35293
Perimeter
259359944
Area
4204223784480196
Diagonal
91697587.585282
Surface area
25225342706881176
Volume
2.7260181132656E+23
Space diagonal
112306150.11405
Perimeter
194519958
Area
1.8204823002773E+15
Altitude
56153075.057027
Surface area
1.8204823002773E+15
Volume
3.2126431558791E+22
Height
30565862.528427