64989939 is an odd 8-digits composite number following 64989938
and preceding 64989940 . In scientific notation, it is written as 6.4989939 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 37071648 positive integers (up to 64989939) that are relatively prime to 64989939.
64989939 has 16 divisors, whose sum is 99206912
The reverse of 64989939 is 93998946
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-four million nine hundred eighty-nine thousand nine hundred thirty-nine
Scientific notation
6.4989939 × 10^7
Engineering notation
6.4989939 × 10^6
Prime Factorization
3 × 7 × 643 × 4813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64989939
Product of the distinct prime numbers
The prime factorization of 64989939 is 3 × 7 × 643 × 4813.
Since it has a total of 4 prime factors.
7 , 9 , 73 , 4 , 818 , 34 , 1728 , 3208 , 92675 , 94621 , 254070 , 656028 , 6392727 , 5244783 , 4677449 , 68532186 , 767569037 , 526305547 , 8630033631 , 5912214397
n×2
129979878
n×3
194969817
n×4
259959756
n×5
324949695
n÷2
32494969.5
n÷3
21663313
n÷3
16247484.75
n÷5
12997987.8
n2
4223692171223721
n3
2.7449749656261E+23
n4
1.7839575557257E+31
n5
1.159392927252E+39
2 √n
8061.6337674196
3 √n
402.05182990548
4 √n
89.786601268895
5 √n
36.523234008396
1 , 3 , 7 , 21 , 643 , 1929 , 4501 , 4813 , 13503 , 14439 , 33691 , 101073 , 3094759 , 9284277 , 21663313 , 64989939
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
-64989938
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 64989939 can be divided by 16 positive divisors.
The sum of these divisors (counting 64989939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111111010101011110011
3
Ternary
11112021211102210
4
Quaternary
3313322223303
5
Quinary
113114134224
6
Senary
10240543203
8
Octal
367725363
10
Decimal
64989939
12
Duodecimal
19921b03
16
Hexadecimal
3dfaaf3
20
Vigesimal
1063egj
36
Base36
12oyk3
md5
a7f2dbe5ac14f0eac23337399e026904
sha1
33313ae50c151a83a2ec71b3f8d86ef90072cac6
sha256
17e5ccffce37db5403ce748ffdff888bc3965449cef21cdd612bd2c486ff178f
sha512
48d7f3ed8f64c8989a6b8a1752882f181841ba347e2b39d614ff03ce0f4be8a3983848b88f7f3ce6f9834c5bdaf92ce8c4de5d2103916fd767ecdba9aeda910d
ripemd-160
618bb41d979cc1a464b7e40012f6490b2d21078b
Diameter
129979878
Circumference
408343829.8393
Area
1.3269120296141E+16
Volume
1.1498124248398E+24
Surface area
5.3076481184565E+16
Circumference
408343829.8393
Perimeter
259959756
Area
4223692171223721
Diagonal
91909653.1516
Surface area
25342153027342326
Volume
2.7449749656261E+23
Space diagonal
112565876.3288
Perimeter
194969817
Area
1.8289123590226E+15
Altitude
56282938.164401
Surface area
1.8289123590226E+15
Volume
3.2349840206358E+22
Height
30636551.050533