1818032021 is an odd 10-digits composite number following 1818032020
and preceding 1818032022 . In scientific notation, it is written as 1.818032021 × 10^9.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 1678183392 positive integers (up to 1818032021) that are relatively prime to 1818032021.
1818032021 has 4 divisors, whose sum is 1957880652
The reverse of 1818032021 is 1202308181
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 26
Digital Root 8
Name
one billion eight hundred eighteen million thirty-two thousand twenty-one
Scientific notation
1.818032021 × 10^9
Engineering notation
1.818032021 × 10^9
Prime Factorization
13 × 139848617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1818032021
Product of the distinct prime numbers
The prime factorization of 1818032021 is 13 × 139848617.
Since it has a total of 2 prime factors.
6 , 7 , 13 , 69 , 948 , 945 , 7129 , 3593 , 27089 , 19768 , 626807 , 725897 , 2239882 , 7384756 , 21230838 , 43986214 , 797030393 , 526108531 , 7187887265 , 3727738389
n×2
3636064042
n×3
5454096063
n×4
7272128084
n×5
9090160105
n÷2
909016010.5
n÷3
606010673.66667
n÷3
454508005.25
n÷5
363606404.2
n2
3305240429381344441
n3
6.0090329377191E+27
n4
1.0924614296017E+37
n5
1.9861298607233E+46
2 √n
42638.386707285
3 √n
1220.4889245656
4 √n
206.49064556847
5 √n
71.108301577571
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1818032020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1818032021 can be divided by 4 positive divisors.
The sum of these divisors (counting 1818032021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010111001111011110010101
3
Ternary
11200200221121002022
4
Quaternary
1230113033132111
5
Quinary
12210404011041
6
Senary
500222422525
8
Octal
15427173625
10
Decimal
1818032021
12
Duodecimal
428a31a45
16
Hexadecimal
6c5cf795
20
Vigesimal
1882e011
36
Base36
u2eqhh
md5
65e41c574c218121815df8e7233c1a3c
sha1
fe4fc6e582ab4994fd2dcda2ae043aa97d6cec55
sha256
557d5119329b406fff28fa342dd0dbe017b2417742738796168dc27530efbd6f
sha512
a75f459879bcebd024ebcb42daab1b2f891e673a4a8e519e99d108ea4ea59ae6b788afcbf4fcad87f01e9f3a7847ec8a523cd81876c6125f809750a85e18196c
ripemd-160
a0313ef114a270d870a07e57c443718a22d8b18f
Diameter
3636064042
Circumference
11423032082.329
Area
1.0383719051292E+19
Volume
2.5170578309756E+28
Surface area
4.153487620517E+19
Circumference
11423032082.329
Perimeter
7272128084
Area
3305240429381344441
Diagonal
2571085540.9268
Surface area
1.9831442576288E+19
Volume
6.0090329377191E+27
Space diagonal
3148923830.1591
Perimeter
5454096063
Area
1.4312110887298E+18
Altitude
1574461915.0796
Surface area
1.4312110887298E+18
Volume
7.0817132310575E+26
Height
857028513.64226