648996861 is an odd 9-digits composite number following 648996860
and preceding 648996862 . In scientific notation, it is written as 6.48996861 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 432664572 positive integers (up to 648996861) that are relatively prime to 648996861.
648996861 has 4 divisors, whose sum is 865329152
The reverse of 648996861 is 168699846
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 57 Digital Root 3
Name
six hundred forty-eight million nine hundred ninety-six thousand eight hundred sixty-one
Scientific notation
6.48996861 × 10^8
Engineering notation
6.48996861 × 10^6
Prime Factorization
3 × 216332287
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
648996861 Product of the distinct prime numbers
The prime factorization of 648996861 is 3 × 216332287.
Since it has a total of 2 prime factors.
9 , 4 , 56 , 87 , 449 , 959 , 290 , 9798 , 39995 , 77310 , 216681 , 913002 , 1662830 , 1074661 , 25728777 , 46536636 , 202249525 , 246845032 , 3007580807 , 1454011140
n×2
1297993722
n×3
1946990583
n×4
2595987444
n×5
3244984305
n÷2
324498430.5
n÷3
216332287
n÷3
162249215.25
n÷5
129799372.2
n2
421196925587853321
n3
2.7335548256937E+26
n4
1.7740685012466E+35
n5
1.151364888508E+44
2 √n25475.416797375
3 √n865.79325629887
4 √n159.61020267319
5 √n57.869338666069
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
-648996860 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 648996861 can be divided by 4 positive divisors.
The sum of these divisors (counting 648996861) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011101110011111111101
3
Ternary
1200020012110022210
4
Quaternary
212223232133331
5
Quinary
2312120344421
6
Senary
144222131033
8
Octal
4653563775
10
Decimal
648996861
12
Duodecimal
161420a79
16
Hexadecimal
26aee7fd
20
Vigesimal
a2g4c31
36
Base36
aqe96l
md5
62eec4da26b366a1d79555468e4641ff
sha1
7060234349922e9da169cc4737aa4923fe553415
sha256
e9a9526ddf1930b99b262bf00958f30ccfff9b54bca2f3a4dd7d14711b13c714
sha512
7da10dd78666fbe2b3104f30b3fbc129fbd7d2c2162299d88fd3d4e91953920bef26c686c5414ed131e37f4c674d1e509f65e0cd75de894fa05f73ec982ab885
ripemd-160
0c83ae2adc9ae2360340a8d26580dc85c541a516
Diameter
1297993722
Circumference
4077767541.4409
Area
1.3232291671414E+18
Volume
1.1450287678112E+27
Surface area
5.2929166685656E+18
Circumference
4077767541.4409
Perimeter
2595987444
Area
421196925587853321
Diagonal
917820162.76377
Surface area
2527181553527119926
Volume
2.7335548256937E+26
Space diagonal
1124095537.2047
Perimeter
1946990583
Area
1.8238361877749E+17
Altitude
562047768.60236
Surface area
1.8238361877749E+17
Volume
3.2215252566553E+25
Height
305940054.25459