648049891 is an odd 9-digits composite number following 648049890
and preceding 648049892 . In scientific notation, it is written as 6.48049891 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 613941984 positive integers (up to 648049891) that are relatively prime to 648049891.
648049891 has 4 divisors, whose sum is 682157800
The reverse of 648049891 is 198940846
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred forty-eight million forty-nine thousand eight hundred ninety-one
Scientific notation
6.48049891 × 10^8
Engineering notation
6.48049891 × 10^6
Prime Factorization
19 × 34107889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
648049891
Product of the distinct prime numbers
The prime factorization of 648049891 is 19 × 34107889.
Since it has a total of 2 prime factors.
10 , 8 , 60 , 39 , 637 , 204 , 672 , 8018 , 21400 , 4501 , 722711 , 555739 , 6707629 , 8591312 , 84588037 , 28991045 , 146553802 , 61917587 , 752907445 , 1323784547
n×2
1296099782
n×3
1944149673
n×4
2592199564
n×5
3240249455
n÷2
324024945.5
n÷3
216016630.33333
n÷3
162012472.75
n÷5
129609978.2
n2
419968661225111881
n3
2.7216064513035E+26
n4
1.7637367641121E+35
n5
1.1429894177356E+44
2 √n
25456.824055644
3 √n
865.3719500322
4 √n
159.5519478278
5 √n
57.852441037321
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
-648049890
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 648049891 can be divided by 4 positive divisors.
The sum of these divisors (counting 648049891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101000000111010011100011
3
Ternary
1200011102100022211
4
Quaternary
212220013103203
5
Quinary
2311400044031
6
Senary
144145542551
8
Octal
4650072343
10
Decimal
648049891
12
Duodecimal
161044a57
16
Hexadecimal
26a074e3
20
Vigesimal
a2a64eb
36
Base36
aptyhv
md5
2283d95afe78343162d2897fe512b824
sha1
987ca635b29440494d73bb3af13be6fc22c69bc5
sha256
ecc82bbc2a69630bf5b56b043b8798325a5d651193353b140d1c9b224281149e
sha512
b59a1867fbf4495ad139f220921452c751a7f6bf63606600d7333d8d1b11aa739c0ddb7e5c5511104502925f96dde91d25b7e115e7fe7db6d0ebd1d9f0428b8f
ripemd-160
c601cedabea926ec464250d2a8336a655b0237e6
Diameter
1296099782
Circumference
4071817553.4505
Area
1.3193704608428E+18
Volume
1.1400238444504E+27
Surface area
5.277481843371E+18
Circumference
4071817553.4505
Perimeter
2592199564
Area
419968661225111881
Diagonal
916480944.94661
Surface area
2519811967350671286
Volume
2.7216064513035E+26
Space diagonal
1122455337.0515
Perimeter
1944149673
Area
1.8185176470714E+17
Altitude
561227668.52574
Surface area
1.8185176470714E+17
Volume
3.2074439623963E+25
Height
305493648.31554