1808972641 is an odd 10-digits composite number following 1808972640
and preceding 1808972642 . In scientific notation, it is written as 1.808972641 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors.
There are 1550547936 positive integers (up to 1808972641) that are relatively prime to 1808972641.
1808972641 has 6 divisors, whose sum is 2104315170
The reverse of 1808972641 is 1462798081
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion eight hundred eight million nine hundred seventy-two thousand six hundred forty-one
Scientific notation
1.808972641 × 10^9
Engineering notation
1.808972641 × 10^9
Prime Factorization
7 × 7 × 36917809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
258424663
Product of the distinct prime numbers
The prime factorization of 1808972641 is 7 × 7 × 36917809.
Since it has a total of 3 prime factors.
8 , 10 , 85 , 11 , 577 , 81 , 9476 , 6965 , 95888 , 54945 , 916232 , 730580 , 2433508 , 2019837 , 70262041 , 93942498 , 71287929 , 865414991 , 3277953231 , 8369051357
n×2
3617945282
n×3
5426917923
n×4
7235890564
n×5
9044863205
n÷2
904486320.5
n÷3
602990880.33333
n÷3
452243160.25
n÷5
361794528.2
n2
3272382015886514881
n3
5.9196495376391E+27
n4
1.0708484057897E+37
n5
1.9371354687321E+46
2 √n
42532.019009212
3 √n
1218.4582874883
4 √n
206.23292416395
5 √n
71.037292376213
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1808972640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1808972641 can be divided by 6 positive divisors.
The sum of these divisors (counting 1808972641) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101011110100101011101101100001
3
Ternary
11200001220022221201
4
Quaternary
1223310223231201
5
Quinary
12201044111031
6
Senary
455300321201
8
Octal
15364535541
10
Decimal
1808972641
12
Duodecimal
4259a3201
16
Hexadecimal
6bd2bb61
20
Vigesimal
18561bc1
36
Base36
tx0k81
md5
4a3ffe303b16737dd8ec8593f93ad5f8
sha1
d02ae934ede92f940cf8aadfbb495f0515f780d7
sha256
4d3314697bc698307f0321585e44d1ecf2df3e7b28638103c8021656a72e0369
sha512
765a2401bbca3c958c20e0ad08d8a36e309d354d09e46127ec6e178270ce640787dd855f632186ceef754e6a1ccc993f0f693a67dcd8f422fa13a38d51434b7e
ripemd-160
2dfd21f7ddd45bd1003af8a0046edf2ac5b1bd70
Diameter
3617945282
Circumference
11366110319.021
Area
1.0280491300848E+19
Volume
2.4796169999031E+28
Surface area
4.1121965203394E+19
Circumference
11366110319.021
Perimeter
7235890564
Area
3272382015886514881
Diagonal
2558273642.8641
Surface area
1.9634292095319E+19
Volume
5.9196495376391E+27
Space diagonal
3133232523.7141
Perimeter
5426917923
Area
1.4169829783225E+18
Altitude
1566616261.857
Surface area
1.4169829783225E+18
Volume
6.9763738838541E+26
Height
852757880.95469