648996891 is an odd 9-digits composite number following 648996890
and preceding 648996892 . In scientific notation, it is written as 6.48996891 × 10^8.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 432664592 positive integers (up to 648996891) that are relatively prime to 648996891.
648996891 has 4 divisors, whose sum is 865329192
The reverse of 648996891 is 198699846
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 60
Digital Root 6
Name
six hundred forty-eight million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
6.48996891 × 10^8
Engineering notation
6.48996891 × 10^6
Prime Factorization
3 × 216332297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
648996891
Product of the distinct prime numbers
The prime factorization of 648996891 is 3 × 216332297.
Since it has a total of 2 prime factors.
9 , 5 , 63 , 74 , 737 , 356 , 4775 , 8594 , 88449 , 81005 , 208126 , 987871 , 9316894 , 2067233 , 79942606 , 91083504 , 594480235 , 89775590 , 7527380619 , 9839915941
n×2
1297993782
n×3
1946990673
n×4
2595987564
n×5
3244984455
n÷2
324498445.5
n÷3
216332297
n÷3
162249222.75
n÷5
129799378.2
n2
421196964527665881
n3
2.7335552047709E+26
n4
1.7740688292732E+35
n5
1.1513651546183E+44
2 √n
25475.417386178
3 √n
865.79326963936
4 √n
159.61020451769
5 √n
57.869339201073
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
-648996890
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 648996891 can be divided by 4 positive divisors.
The sum of these divisors (counting 648996891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011101110100000011011
3
Ternary
1200020012110100220
4
Quaternary
212223232200123
5
Quinary
2312120400031
6
Senary
144222131123
8
Octal
4653564033
10
Decimal
648996891
12
Duodecimal
161420aa3
16
Hexadecimal
26aee81b
20
Vigesimal
a2g4c4b
36
Base36
aqe97f
md5
408fce64ab4c98d8049fcd28cdf729b2
sha1
cef6938cc5bae2f4563eb3b7db7ee2e342405d1c
sha256
957d228ca00197e83c1c091ba390511b1d14ce67e2f5f151223e0eb3cc199130
sha512
3fae91bd730bee3cd753c811559b911d655014ca40244d212af36a68b7be127b7de394d6070c36ddb81caf5fdbdfd074f3df97e1c22797fa0e20c65b932b6f90
ripemd-160
93cbb20755d46e4bd9b94a8304f768921bc613a6
Diameter
1297993782
Circumference
4077767729.9364
Area
1.3232292894744E+18
Volume
1.1450289265987E+27
Surface area
5.2929171578977E+18
Circumference
4077767729.9364
Perimeter
2595987564
Area
421196964527665881
Diagonal
917820205.19017
Surface area
2527181787165995286
Volume
2.7335552047709E+26
Space diagonal
1124095589.1662
Perimeter
1946990673
Area
1.8238363563893E+17
Altitude
562047794.58312
Surface area
1.8238363563893E+17
Volume
3.2215257034022E+25
Height
305940068.39672