64690897 is an odd 8-digits composite number following 64690896
and preceding 64690898 . In scientific notation, it is written as 6.4690897 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 64408176 positive integers (up to 64690897) that are relatively prime to 64690897.
64690897 has 4 divisors, whose sum is 64973620
The reverse of 64690897 is 79809646
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-four million six hundred ninety thousand eight hundred ninety-seven
Scientific notation
6.4690897 × 10^7
Engineering notation
6.4690897 × 10^6
Prime Factorization
229 × 282493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64690897
Product of the distinct prime numbers
The prime factorization of 64690897 is 229 × 282493.
Since it has a total of 2 prime factors.
3 , 9 , 15 , 91 , 818 , 447 , 2047 , 5721 , 98190 , 61050 , 356740 , 743566 , 506394 , 8758283 , 97347519 , 83526343 , 950106763 , 73867851 , 1177388761 , 8809892371
n×2
129381794
n×3
194072691
n×4
258763588
n×5
323454485
n÷2
32345448.5
n÷3
21563632.333333
n÷3
16172724.25
n÷5
12938179.4
n2
4184912154664609
n3
2.7072572115146E+23
n4
1.751348974226E+31
n5
1.1329633610271E+39
2 √n
8043.0651495559
3 √n
401.43422013532
4 √n
89.683137487244
5 √n
36.489560676276
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
-64690896
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 64690897 can be divided by 4 positive divisors.
The sum of these divisors (counting 64690897) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110110110001101011010001
3
Ternary
11111201122020011
4
Quaternary
3312301223101
5
Quinary
113030102042
6
Senary
10230314521
8
Octal
366615321
10
Decimal
64690897
12
Duodecimal
197b8a41
16
Hexadecimal
3db1ad1
20
Vigesimal
104674h
36
Base36
12ijtd
md5
92cbfb984bcad7976341aca06665ba83
sha1
8fec8b25de2037007b9e965989091e4447837bf0
sha256
8fa3f9a03554e21d53e6b98544701a8348261ed163eabb60eb0ce3f9b902bd4b
sha512
44199303337e10f480beac057bee440c93ba852e3026c6890d4c4e547260416ac460ac84d0a36bd1604f705a2b3552603adf4cc3ca28f14771b86de542ad1b86
ripemd-160
1364cc26636831c5f53967ec5da931e54e68eb67
Diameter
129381794
Circumference
406464893.53867
Area
1.3147289281013E+16
Volume
1.134013248943E+24
Surface area
5.2589157124052E+16
Circumference
406464893.53867
Perimeter
258763588
Area
4184912154664609
Diagonal
91486743.899481
Surface area
25109472927987654
Volume
2.7072572115146E+23
Space diagonal
112047920.39121
Perimeter
194072691
Area
1.8121201192729E+15
Altitude
56023960.195603
Surface area
1.8121201192729E+15
Volume
3.1905332211302E+22
Height
30495581.299827