64938961 is an odd 8-digits prime number following 64938960
and preceding 64938962 . In scientific notation, it is written as 6.4938961 × 10^7.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 64938960 positive integers (up to 64938961) that are relatively prime to 64938961.
64938961 has 2 divisors, whose sum is 64938962
The reverse of 64938961 is 16983946
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 46 Digital Root 1
Name
sixty-four million nine hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
6.4938961 × 10^7
Engineering notation
6.4938961 × 10^6
Prime Factorization
64938961
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
64938961 Product of the distinct prime numbers
The prime factorization of 64938961 is 64938961.
Since it has a total of 1 prime factors.
8 , 9 , 89 , 85 , 922 , 254 , 5238 , 3032 , 35635 , 88877 , 478747 , 779654 , 9005906 , 8286363 , 73321082 , 79129000 , 464283305 , 754307808 , 9656330844 , 502236630
n×2
129877922
n×3
194816883
n×4
259755844
n×5
324694805
n÷2
32469480.5
n÷3
21646320.333333
n÷3
16234740.25
n÷5
12987792.2
n2
4217068655759521
n3
2.7385205697069E+23
n4
1.7783668047389E+31
n5
1.1548529257664E+39
2 √n8058.4713810995
3 √n401.94667947864
4 √n89.768988972248
5 √n36.517502456991
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
64938962 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
32469481 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8058.471443146 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999692018 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64938961 can be divided by 2 positive divisors.
The sum of these divisors (counting 64938961) is 64938962, the average is 32469481.
Base
System
Value
2
Binary
11110111101110001111010001
3
Ternary
11112012020111201
4
Quaternary
3313232033101
5
Quinary
113111021321
6
Senary
10235511201
8
Octal
367561721
10
Decimal
64938961
12
Duodecimal
198b8501
16
Hexadecimal
3dee3d1
20
Vigesimal
105h781
36
Base36
12nv81
md5
1ab22c19ca3ecd4b236cee256cacb84b
sha1
a1f8442aceb1c0e3dec805b034f74985d21c209d
sha256
f58c836a3f58e3309e55fbc3dca91bdb4f08f8bbc29bd9d0258f13b6579a4f93
sha512
aa1cbb9a10862820aca4957e9f2541fea19bf8b77c1d24485a4e4c94716d8a8a620d3ca26349c9e19ca6e57a11734f55ac4adfdbe4cd95c62abc2cf2d7a1c2a8
ripemd-160
9bd34eb2342ad5bd3187702a4be17903b487f9a3
Diameter
129877922
Circumference
408023525.61871
Area
1.3248311908618E+16
Volume
1.1471088137994E+24
Surface area
5.2993247634472E+16
Circumference
408023525.61871
Perimeter
259755844
Area
4217068655759521
Diagonal
91837559.372617
Surface area
25302411934557126
Volume
2.7385205697069E+23
Space diagonal
112477579.84273
Perimeter
194816883
Area
1.8260442926954E+15
Altitude
56238789.921367
Surface area
1.8260442926954E+15
Volume
3.2273774420977E+22
Height
30612519.790872