64989813 is an odd 8-digits composite number following 64989812
and preceding 64989814 . In scientific notation, it is written as 6.4989813 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 36272880 positive integers (up to 64989813) that are relatively prime to 64989813.
64989813 has 16 divisors, whose sum is 101336576
The reverse of 64989813 is 31898946
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-four million nine hundred eighty-nine thousand eight hundred thirteen
Scientific notation
6.4989813 × 10^7
Engineering notation
6.4989813 × 10^6
Prime Factorization
3 × 7 × 43 × 71971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64989813
Product of the distinct prime numbers
The prime factorization of 64989813 is 3 × 7 × 43 × 71971.
Since it has a total of 4 prime factors.
5 , 2 , 24 , 23 , 209 , 73 , 62 , 6577 , 17606 , 69667 , 590948 , 95492 , 1817361 , 2285108 , 62192042 , 80757828 , 789487715 , 96333493 , 4065051834 , 3932940132
n×2
129979626
n×3
194969439
n×4
259959252
n×5
324949065
n÷2
32494906.5
n÷3
21663271
n÷3
16247453.25
n÷5
12997962.6
n2
4223675793774969
n3
2.7449590001006E+23
n4
1.7839437210921E+31
n5
1.159381688363E+39
2 √n
8061.6259526227
3 √n
402.05157007776
4 √n
89.786557750159
5 √n
36.523219846416
1 , 3 , 7 , 21 , 43 , 129 , 301 , 903 , 71971 , 215913 , 503797 , 1511391 , 3094753 , 9284259 , 21663271 , 64989813
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
-64989812
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 64989813 can be divided by 16 positive divisors.
The sum of these divisors (counting 64989813) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111111010101001110101
3
Ternary
11112021211021010
4
Quaternary
3313322221311
5
Quinary
113114133223
6
Senary
10240542433
8
Octal
367725165
10
Decimal
64989813
12
Duodecimal
19921a19
16
Hexadecimal
3dfaa75
20
Vigesimal
1063ead
36
Base36
12oygl
md5
b212b9cbd8b6cf02107c1aaf278b2155
sha1
6e4061348784a8857f36d8fe44a7ca0b83166e06
sha256
62a2d3793dc11d8b569e0dc84c49e2188a77124366ded2455bb55608d76dba14
sha512
f525e4b459678d1b0413b1fcb095b63a1036bc3f0804f3a049e59d83cde3bafade91d9bdcdd9dfa2988ccba9a74f83696002ea1a1fcadc39ad4a0e756e8915ff
ripemd-160
ffeb80b67ea3633d4718c6879a9ae3b2a6d827ab
Diameter
129979626
Circumference
408343038.15795
Area
1.3269068844868E+16
Volume
1.1498057372162E+24
Surface area
5.3076275379474E+16
Circumference
408343038.15795
Perimeter
259959252
Area
4223675793774969
Diagonal
91909474.960691
Surface area
25342054762649814
Volume
2.7449590001006E+23
Space diagonal
112565658.0904
Perimeter
194969439
Area
1.8289052673793E+15
Altitude
56282829.0452
Surface area
1.8289052673793E+15
Volume
3.2349652050837E+22
Height
30636491.653564