64691897 is an odd 8-digits prime number following 64691896
and preceding 64691898 . In scientific notation, it is written as 6.4691897 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 64691896 positive integers (up to 64691897) that are relatively prime to 64691897.
64691897 has 2 divisors, whose sum is 64691898
The reverse of 64691897 is 79819646
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
sixty-four million six hundred ninety-one thousand eight hundred ninety-seven
Scientific notation
6.4691897 × 10^7
Engineering notation
6.4691897 × 10^6
Prime Factorization
64691897
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
64691897 Product of the distinct prime numbers
The prime factorization of 64691897 is 64691897.
Since it has a total of 1 prime factors.
8 , 3 , 3 , 55 , 624 , 347 , 1933 , 3217 , 89380 , 2715 , 399611 , 340371 , 2000730 , 1740983 , 4679859 , 33809096 , 675789475 , 796558335 , 8670832871 , 5682226301
n×2
129383794
n×3
194075691
n×4
258767588
n×5
323459485
n÷2
32345948.5
n÷3
21563965.666667
n÷3
16172974.25
n÷5
12938379.4
n2
4185041537458609
n3
2.7073827608199E+23
n4
1.7514572670254E+31
n5
1.1330509311831E+39
2 √n8043.1273146706
3 √n401.43628859817
4 √n89.683484068532
5 √n36.48967348762
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
64691898 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
32345949 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8043.1273768355 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999690842 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64691897 can be divided by 2 positive divisors.
The sum of these divisors (counting 64691897) is 64691898, the average is 32345949.
Base
System
Value
2
Binary
11110110110001111010111001
3
Ternary
11111201200121012
4
Quaternary
3312301322321
5
Quinary
113030120042
6
Senary
10230323305
8
Octal
366617271
10
Decimal
64691897
12
Duodecimal
197b9535
16
Hexadecimal
3db1eb9
20
Vigesimal
10469eh
36
Base36
12ikl5
md5
eb52108005f545e6cce9b1345e94bb09
sha1
1d75b7456c8a52be573cb4d9bdd8332cf1e14b25
sha256
78badb12401c7e9201452bd149334c3b521ed06aab96b12770c8fda4b505616e
sha512
ddda9ff2f6286320030e5d1de964ecb7562b8120a33db4b59716ace2548ddd277bbbe2846098f262ee5efd73c224fe0028cedde21ef3c1d1d12c851c6d93c1fa
ripemd-160
096bb5273e4ddc75458a50ad1e8d30b3e24a4341
Diameter
129383794
Circumference
406471176.72398
Area
1.3147695749048E+16
Volume
1.134065838913E+24
Surface area
5.2590782996192E+16
Circumference
406471176.72398
Perimeter
258767588
Area
4185041537458609
Diagonal
91488158.113043
Surface area
25110249224751654
Volume
2.7073827608199E+23
Space diagonal
112049652.44201
Perimeter
194075691
Area
1.8121761436661E+15
Altitude
56024826.221006
Surface area
1.8121761436661E+15
Volume
3.1906811824056E+22
Height
30496052.704348