649492081 is an odd 9-digits composite number following 649492080
and preceding 649492082 . In scientific notation, it is written as 6.49492081 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 542304000 positive integers (up to 649492081) that are relatively prime to 649492081.
649492081 has 16 divisors, whose sum is 761574528
The reverse of 649492081 is 180294946
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-nine million four hundred ninety-two thousand eighty-one
Scientific notation
6.49492081 × 10^8
Engineering notation
6.49492081 × 10^6
Prime Factorization
7 × 43 × 401 × 5381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
649492081
Product of the distinct prime numbers
The prime factorization of 649492081 is 7 × 43 × 401 × 5381.
Since it has a total of 4 prime factors.
3 , 10 , 22 , 45 , 138 , 237 , 5454 , 375 , 10618 , 92916 , 922842 , 630065 , 1524715 , 1186616 , 5983342 , 62200461 , 192572049 , 113675793 , 5683207479 , 1757555352
n×2
1298984162
n×3
1948476243
n×4
2597968324
n×5
3247460405
n÷2
324746040.5
n÷3
216497360.33333
n÷3
162373020.25
n÷5
129898416.2
n2
421839963281710561
n3
2.739817156008E+26
n4
1.7794895462151E+35
n5
1.155764368489E+44
2 √n
25485.134510141
3 √n
866.0134161348
4 √n
159.64064178693
5 √n
57.878167464035
1 , 7 , 43 , 301 , 401 , 2807 , 5381 , 17243 , 37667 , 120701 , 231383 , 1619681 , 2157781 , 15104467 , 92784583 , 649492081
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-649492080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 649492081 can be divided by 16 positive divisors.
The sum of these divisors (counting 649492081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101100111011001110001
3
Ternary
1200021010121122021
4
Quaternary
212231213121301
5
Quinary
2312232221311
6
Senary
144240511441
8
Octal
4655473161
10
Decimal
649492081
12
Duodecimal
16161b581
16
Hexadecimal
26b67671
20
Vigesimal
a2j6a41
36
Base36
aqovap
md5
b97173463ae1356c01a9c10808ace5f0
sha1
94514ffbf26eecb60076ed3e21a519bccc14fff0
sha256
4b75071a763fc1609d1b21d6f3571296ca4cbe5f8e79da8b4b575b8dd977f540
sha512
667316cbd1ede789d10ccaa80a3f27fb6a557e112bbf3676238c908bb5abcfecd005ba508d9e4f8bc110513442e0858852a7c21cbc549bff32a588b17d14bebd
ripemd-160
8ce3ed8f86ec73fcc013c99376209db12a8a20a6
Diameter
1298984162
Circumference
4080879100.4687
Area
1.3252493296364E+18
Volume
1.1476519265992E+27
Surface area
5.3009973185456E+18
Circumference
4080879100.4687
Perimeter
2597968324
Area
421839963281710561
Diagonal
918520509.60412
Surface area
2531039779690263366
Volume
2.739817156008E+26
Space diagonal
1124953283.4056
Perimeter
1948476243
Area
1.8266206226673E+17
Altitude
562476641.70282
Surface area
1.8266206226673E+17
Volume
3.2289054837075E+25
Height
306173503.20137