1649238961 is an odd 10-digits composite number following 1649238960
and preceding 1649238962 . In scientific notation, it is written as 1.649238961 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1590420048 positive integers (up to 1649238961) that are relatively prime to 1649238961.
1649238961 has 8 divisors, whose sum is 1708197120
The reverse of 1649238961 is 1698329461
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion six hundred forty-nine million two hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
1.649238961 × 10^9
Engineering notation
1.649238961 × 10^9
Prime Factorization
29 × 827 × 68767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1649238961
Product of the distinct prime numbers
The prime factorization of 1649238961 is 29 × 827 × 68767.
Since it has a total of 3 prime factors.
6 , 6 , 52 , 36 , 731 , 462 , 4006 , 9879 , 92036 , 2406 , 585762 , 72418 , 1205760 , 6511118 , 45513995 , 90143306 , 223059905 , 225999475 , 2164344476 , 6996015740
n×2
3298477922
n×3
4947716883
n×4
6596955844
n×5
8246194805
n÷2
824619480.5
n÷3
549746320.33333
n÷3
412309740.25
n÷5
329847792.2
n2
2719989150480359521
n3
4.4859120804695E+27
n4
7.3983409787309E+36
n5
1.2201632188886E+46
2 √n
40610.823200226
3 √n
1181.4840470294
4 √n
201.52127232683
5 √n
69.735949290133
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1649238960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1649238961 can be divided by 8 positive divisors.
The sum of these divisors (counting 1649238961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010010011010110001110110001
3
Ternary
11020221100000112111
4
Quaternary
1202103112032301
5
Quinary
11334201121321
6
Senary
431352525321
8
Octal
14223261661
10
Decimal
1649238961
12
Duodecimal
3a03b0841
16
Hexadecimal
624d63b1
20
Vigesimal
15f7eh81
36
Base36
r9wwxd
md5
6f3ddede614327ce472d417a17968ceb
sha1
ddd536902244d40e2b5ded17a6e907c2ab6fed48
sha256
dce5ce81400d9ae4fb3c2dc84937e4e9b0eec265e34a7e9f8678e0dd745093f2
sha512
0b4dde68aac20e51add73d26a65b9cae439427bd87ba27184f3558512f2be7fabc71dca65e58c8b19668c7c87849e6c2999d66c881dd9bd06f51771c2b4496f9
ripemd-160
1d6b8baa4cbafec9b3b2b796e2ddff3ee6bb65bc
Diameter
3298477922
Circumference
10362474007.783
Area
8.545097932993E+18
Volume
1.8790544582204E+28
Surface area
3.4180391731972E+19
Circumference
10362474007.783
Perimeter
6596955844
Area
2719989150480359521
Diagonal
2332376106.2403
Surface area
1.6319934902882E+19
Volume
4.4859120804695E+27
Space diagonal
2856565674.2741
Perimeter
4947716883
Area
1.177789851167E+18
Altitude
1428282837.1371
Surface area
1.177789851167E+18
Volume
5.2866980865111E+26
Height
777458702.0801