6640807721 is an odd 10-digits prime number following 6640807720
and preceding 6640807722 . In scientific notation, it is written as 6.640807721 × 10^9.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 6640807720 positive integers (up to 6640807721) that are relatively prime to 6640807721.
6640807721 has 2 divisors, whose sum is 6640807722
The reverse of 6640807721 is 1277080466
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 41 Digital Root 5
Name
six billion six hundred forty million eight hundred seven thousand seven hundred twenty-one
Scientific notation
6.640807721 × 10^9
Engineering notation
6.640807721 × 10^9
Prime Factorization
6640807721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
6640807721 Product of the distinct prime numbers
The prime factorization of 6640807721 is 6640807721.
Since it has a total of 1 prime factors.
3 , 4 , 27 , 61 , 52 , 882 , 6694 , 984 , 99125 , 64213 , 712799 , 747657 , 2295553 , 1860021 , 4033231 , 37288972 , 29596713 , 813477389 , 382350526 , 1966207694
n×2
13281615442
n×3
19922423163
n×4
26563230884
n×5
33204038605
n÷2
3320403860.5
n÷3
2213602573.6667
n÷3
1660201930.25
n÷5
1328161544.2
n2
4.4100327187293E+19
n3
2.92861793284E+29
n4
1.9448388580263E+39
n5
1.2915300904482E+49
2 √n81491.151182199
3 √n1879.6354847267
4 √n285.46655002329
5 √n92.139145686058
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
6640807722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
3320403861 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
81491.151188335 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999996988 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6640807721 can be divided by 2 positive divisors.
The sum of these divisors (counting 6640807721) is 6640807722, the average is 3320403861.
Base
System
Value
2
Binary
110001011110100101010111100101001
3
Ternary
122010210211222121112
4
Quaternary
12023310222330221
5
Quinary
102100021321341
6
Senary
3014543320105
8
Octal
61364527451
10
Decimal
6640807721
12
Duodecimal
1353bb0035
16
Hexadecimal
18bd2af29
20
Vigesimal
53f50j61
36
Base36
31trk15
md5
56eb21c9e0c55c9cc2c8c889455785ec
sha1
c3d080e34bbf05b417713fa01425e085e274d456
sha256
e2930986e97839f1ff20dbd69da0060522edb047baafc8097b26ce13ceb3b647
sha512
ca61e0719b64ed9868352ea3314bc40cba464fde9929e011160c218431a0cedb87adb21bcd987e515bf96353753435e243543d02fc5f6c8aa064b3e25f8c2563
ripemd-160
0b7e17e923dc8138c7d9404ea6e1993e7a0f34aa
Diameter
13281615442
Circumference
41725425500.392
Area
1.3854526391251E+20
Volume
1.2267366110642E+30
Surface area
5.5418105565003E+20
Circumference
41725425500.392
Perimeter
26563230884
Area
4.4100327187293E+19
Diagonal
9391520344.1502
Surface area
2.6460196312376E+20
Volume
2.92861793284E+29
Space diagonal
11502216376.068
Perimeter
19922423163
Area
1.9096001829701E+19
Altitude
5751108188.0338
Surface area
1.9096001829701E+19
Volume
3.4514093330262E+28
Height
3130506781.3834