640968903 is an odd 9-digits composite number following 640968902
and preceding 640968904 . In scientific notation, it is written as 6.40968903 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors.
There are 427106520 positive integers (up to 640968903) that are relatively prime to 640968903.
640968903 has 16 divisors, whose sum is 950041600
The reverse of 640968903 is 309869046
Previous prime number is 2719
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred forty million nine hundred sixty-eight thousand nine hundred three
Scientific notation
6.40968903 × 10^8
Engineering notation
6.40968903 × 10^6
Prime Factorization
3 × 3 × 3 × 2719 × 8731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71218767
Product of the distinct prime numbers
The prime factorization of 640968903 is 3 × 3 × 3 × 2719 × 8731.
Since it has a total of 5 prime factors.
7 , 9 , 74 , 97 , 71 , 195 , 9952 , 4160 , 77218 , 45274 , 638107 , 386855 , 2391291 , 6192544 , 40676834 , 81107644 , 759896559 , 175254957 , 9472636474 , 1580013094
n×2
1281937806
n×3
1922906709
n×4
2563875612
n×5
3204844515
n÷2
320484451.5
n÷3
213656301
n÷3
160242225.75
n÷5
128193780.6
n2
410841134613023409
n3
2.6333639136018E+26
n4
1.6879043789012E+35
n5
1.0818942181132E+44
2 √n
25317.363666069
3 √n
862.20853970463
4 √n
159.11431006063
5 √n
57.725458618228
1 , 3 , 9 , 27 , 2719 , 8157 , 8731 , 24471 , 26193 , 73413 , 78579 , 235737 , 23739589 , 71218767 , 213656301 , 640968903
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
-640968902
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 640968903 can be divided by 16 positive divisors.
The sum of these divisors (counting 640968903) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001101000110100011000111
3
Ternary
1122200002121001000
4
Quaternary
212031012203013
5
Quinary
2303042001103
6
Senary
143334104343
8
Octal
4615064307
10
Decimal
640968903
12
Duodecimal
15a7ab0b3
16
Hexadecimal
263468c7
20
Vigesimal
a061253
36
Base36
alm6rr
md5
654b6548e6e81370eded9513be72e96e
sha1
197243745ea5b50e75b041fd48d7980acb506ebc
sha256
fa1dc988e0a2a862fa4f1769acb4230b0240f6128cada0c5658fd03f82a635f3
sha512
534bf9a75c92b3d66bb69c8a5ee18a9085933e818a2117df4214a6dd0785e8c05bc78d5c69da07c13e45a56a071d2084cf68ab607d59e7ece3dbd459a163500a
ripemd-160
396cf23fd17da89c8409b6c7b8803b3ad504a743
Diameter
1281937806
Circumference
4027326393.6886
Area
1.2906954902928E+18
Volume
1.1030608966933E+27
Surface area
5.1627819611711E+18
Circumference
4027326393.6886
Perimeter
2563875612
Area
410841134613023409
Diagonal
906466915.682
Surface area
2465046807678140454
Volume
2.6333639136018E+26
Space diagonal
1110190706.0677
Perimeter
1922906709
Area
1.7789942974725E+17
Altitude
555095353.03384
Surface area
1.7789942974725E+17
Volume
3.1034491343997E+25
Height
302155638.56067