646972994 is an even 9-digits composite number following 646972993
and preceding 646972995 . In scientific notation, it is written as 6.46972994 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 323444736 positive integers (up to 646972994) that are relatively prime to 646972994.
646972994 has 8 divisors, whose sum is 970584780
The reverse of 646972994 is 499279646
Previous prime number is 10273
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred forty-six million nine hundred seventy-two thousand nine hundred ninety-four
Scientific notation
6.46972994 × 10^8
Engineering notation
6.46972994 × 10^6
Prime Factorization
2 × 10273 × 31489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
646972994
Product of the distinct prime numbers
The prime factorization of 646972994 is 2 × 10273 × 31489.
Since it has a total of 3 prime factors.
2 , 10 , 23 , 82 , 394 , 513 , 6663 , 1504 , 70885 , 93199 , 569510 , 933636 , 2961382 , 9007999 , 93024938 , 51548527 , 479110059 , 100918561 , 514971186 , 3733643184
n×2
1293945988
n×3
1940918982
n×4
2587891976
n×5
3234864970
n÷2
323486497
n÷3
215657664.66667
n÷3
161743248.5
n÷5
129394598.8
n2
418574054965324036
n3
2.7080610955164E+26
n4
1.7520423949011E+35
n5
1.1335241138441E+44
2 √n
25435.663820707
3 √n
864.89234028249
4 √n
159.48562261441
5 √n
57.833200983752
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
-646972993
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 646972994 can be divided by 8 positive divisors.
The sum of these divisors (counting 646972994) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100100000000011001000010
3
Ternary
1200002101122002202
4
Quaternary
212210000121002
5
Quinary
2311111113434
6
Senary
144110513202
8
Octal
4644003102
10
Decimal
646972994
12
Duodecimal
160805802
16
Hexadecimal
26900642
20
Vigesimal
a23bc9e
36
Base36
ap6vk2
md5
7f24b6ebb0c9c73df83817c5f423fc51
sha1
90be4de22159a3a3e6c1a02a0aff182e067e2da5
sha256
973d672c97b830bd878104a6a44cd2edb3f037225be35dfcd6eb30912f448750
sha512
9d3b94cbffa1117556fa49b13d02e598bf242055f636265f3e549f7a88f85b030636ef8024e8bad2b6f4162f91c6ee102dbf2c59051feda1ad8b9b0a99f46541
ripemd-160
4e30fd8ae8ebc77248da2ffc8a06dfda8e5132aa
Diameter
1293945988
Circumference
4065051210.0428
Area
1.3149891760624E+18
Volume
1.1343499790862E+27
Surface area
5.2599567042494E+18
Circumference
4065051210.0428
Perimeter
2587891976
Area
418574054965324036
Diagonal
914957982.60393
Surface area
2511444329791944216
Volume
2.7080610955164E+26
Space diagonal
1120590096.733
Perimeter
1940918982
Area
1.8124788248252E+17
Altitude
560295048.36648
Surface area
1.8124788248252E+17
Volume
3.1914806075118E+25
Height
304985994.20131