649968915 is an odd 9-digits composite number following 649968914
and preceding 649968916 . In scientific notation, it is written as 6.49968915 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 346650080 positive integers (up to 649968915) that are relatively prime to 649968915.
649968915 has 4 divisors, whose sum is 693300192
The reverse of 649968915 is 519869946
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
six hundred forty-nine million nine hundred sixty-eight thousand nine hundred fifteen
Scientific notation
6.49968915 × 10^8
Engineering notation
6.49968915 × 10^6
Prime Factorization
15 × 43331261
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
649968915
Product of the distinct prime numbers
The prime factorization of 649968915 is 15 × 43331261.
Since it has a total of 2 prime factors.
1 , 9 , 37 , 78 , 86 , 41 , 5014 , 8958 , 39941 , 13669 , 442813 , 565667 , 1234376 , 8123268 , 518619 , 92923948 , 265032127 , 739125903 , 8185741419 , 8996324913
n×2
1299937830
n×3
1949906745
n×4
2599875660
n×5
3249844575
n÷2
324984457.5
n÷3
216656305
n÷3
162492228.75
n÷5
129993783
n2
422459590466277225
n3
2.7458560164671E+26
n4
1.7847210557693E+35
n5
1.1600132081961E+44
2 √n
25494.487933669
3 √n
866.22529638098
4 √n
159.66993434479
5 √n
57.886663388099
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
-649968914
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 649968915 can be divided by 4 positive divisors.
The sum of these divisors (counting 649968915) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101111011011110100010011
3
Ternary
1200022000211201210
4
Quaternary
212233123310103
5
Quinary
2312343001130
6
Senary
144255031203
8
Octal
4657336423
10
Decimal
649968915
12
Duodecimal
16180b503
16
Hexadecimal
26bdbd13
20
Vigesimal
a32625f
36
Base36
aqz383
md5
2a4137e20bd8a8e9d0b94fa1a71c0d34
sha1
4931d33b45c864eef735c55ea7979ce8a067ae5b
sha256
cc5981719401ee9bd13d3408bb8d85b1c4397338a5f86946758124b8f2a5a022
sha512
3b96d3df5312929c74b0050ad89cd9becca3d65b021ba3105ef93046f9b220ea841b638e18b6c4f6c82bf3d3a3a9ee890e44b0dea1344c2368aa10cbf83d7dd0
ripemd-160
376133615429b36f8cb632f991950a220467cf1d
Diameter
1299937830
Circumference
4083875136.8515
Area
1.3271959458474E+18
Volume
1.1501814785531E+27
Surface area
5.3087837833896E+18
Circumference
4083875136.8515
Perimeter
2599875660
Area
422459590466277225
Diagonal
919194854.71393
Surface area
2534757542797663350
Volume
2.7458560164671E+26
Space diagonal
1125779184.1204
Perimeter
1949906745
Area
1.8293036870808E+17
Altitude
562889592.06021
Surface area
1.8293036870808E+17
Volume
3.2360223490096E+25
Height
306398284.90464