6645492489 is an odd 10-digits composite number following 6645492488
and preceding 6645492490 . In scientific notation, it is written as 6.645492489 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 4389682896 positive integers (up to 6645492489) that are relatively prime to 6645492489.
6645492489 has 8 divisors, whose sum is 8941947520
The reverse of 6645492489 is 9842945466
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
six billion six hundred forty-five million four hundred ninety-two thousand four hundred eighty-nine
Scientific notation
6.645492489 × 10^9
Engineering notation
6.645492489 × 10^9
Prime Factorization
3 × 109 × 20322607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6645492489
Product of the distinct prime numbers
The prime factorization of 6645492489 is 3 × 109 × 20322607.
Since it has a total of 3 prime factors.
7 , 2 , 83 , 93 , 831 , 616 , 2854 , 4977 , 23055 , 75496 , 959973 , 693360 , 8054522 , 4372624 , 69953334 , 8863546 , 920328981 , 738564831 , 1713522580 , 6448040625
n×2
13290984978
n×3
19936477467
n×4
26581969956
n×5
33227462445
n÷2
3322746244.5
n÷3
2215164163
n÷3
1661373122.25
n÷5
1329098497.8
n2
4.4162570421355E+19
n3
2.9348203003005E+29
n4
1.9503326262212E+39
n5
1.2960920818604E+49
2 √n
81519.890143449
3 √n
1880.0773780774
4 √n
285.51688241407
5 √n
92.152141959629
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
-6645492488
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 6645492489 can be divided by 8 positive divisors.
The sum of these divisors (counting 6645492489) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100000110100010101100001001
3
Ternary
122011010122222220110
4
Quaternary
12030012202230021
5
Quinary
102102221224424
6
Senary
3015231544533
8
Octal
61406425411
10
Decimal
6645492489
12
Duodecimal
135568b149
16
Hexadecimal
18c1a2b09
20
Vigesimal
53ge6b49
36
Base36
31wjytl
md5
7590f0e3c8c38e818f292e90da077278
sha1
3471e3c594ebef0e0c15668c8a217d829c72ce54
sha256
bfb962ea12fedafc33797e1fde3feda78b79bb3849bedf8f116586b0348fad5b
sha512
ff1303a936cc01572ae851b270121baaa75f96a9aa6e8286167c6c7cda465e8e226fbb81be5e0d357ff02e22f545c044e15be0079fb04e446897ee6461d20e4c
ripemd-160
9f8e015bd04c0e4cea7b7fea2df3f557b01439b4
Diameter
13290984978
Circumference
41754860765.857
Area
1.3874080679937E+20
Volume
1.2293346526707E+30
Surface area
5.5496322719749E+20
Circumference
41754860765.857
Perimeter
26581969956
Area
4.4162570421355E+19
Diagonal
9398145606.5923
Surface area
2.6497542252813E+20
Volume
2.9348203003005E+29
Space diagonal
11510330632.265
Perimeter
19936477467
Area
1.9122953940657E+19
Altitude
5755165316.1327
Surface area
1.9122953940657E+19
Volume
3.4587188931774E+28
Height
3132715202.1974