1812340981 is an odd 10-digits composite number following 1812340980
and preceding 1812340982 . In scientific notation, it is written as 1.812340981 × 10^9.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 1549209600 positive integers (up to 1812340981) that are relatively prime to 1812340981.
1812340981 has 16 divisors, whose sum is 2095365888
The reverse of 1812340981 is 1890432181
Previous prime number is 1231
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion eight hundred twelve million three hundred forty thousand nine hundred eighty-one
Scientific notation
1.812340981 × 10^9
Engineering notation
1.812340981 × 10^9
Prime Factorization
17 × 11 × 1231 × 7873
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1812340981
Product of the distinct prime numbers
The prime factorization of 1812340981 is 17 × 11 × 1231 × 7873.
Since it has a total of 4 prime factors.
7 , 1 , 72 , 93 , 451 , 23 , 1526 , 8819 , 46375 , 57772 , 76282 , 610150 , 3388673 , 2463772 , 89564976 , 28252030 , 852978334 , 114934836 , 1355244933 , 905427511
n×2
3624681962
n×3
5437022943
n×4
7249363924
n×5
9061704905
n÷2
906170490.5
n÷3
604113660.33333
n÷3
453085245.25
n÷5
362468196.2
n2
3284579831412042361
n3
5.9527786338341E+27
n4
1.0788464668919E+37
n5
1.9552376641552E+46
2 √n
42571.59829041
3 √n
1219.214082421
4 √n
206.32885956746
5 √n
71.063727241066
1 , 11 , 17 , 187 , 1231 , 7873 , 13541 , 20927 , 86603 , 133841 , 230197 , 1472251 , 9691663 , 106608293 , 164758271 , 1812340981
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
-1812340980
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 1812340981 can be divided by 16 positive divisors.
The sum of these divisors (counting 1812340981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100000001100010000011110101
3
Ternary
11200022020110110001
4
Quaternary
1230001202003311
5
Quinary
12202424402411
6
Senary
455500431301
8
Octal
15401420365
10
Decimal
1812340981
12
Duodecimal
426b48531
16
Hexadecimal
6c0620f5
20
Vigesimal
18672c91
36
Base36
tz0r91
md5
70cdf0ccd76b00372dd3f0aa5a0c2d85
sha1
13d82a5ebdf23d7b10b7f7125f601a14390e1404
sha256
245934784198556e1b8d3da1ddb9a7e249b35a7783049d453b5b93335505fa98
sha512
2e5f16d7008917f759c7b9c89e390525f11987c99f14b4624480f95c8ff725c7c531b3277fc296f751a83005c99007f864d7f847c290661d351a201d4818a7cc
ripemd-160
53b701315710b6ac950bb99b8f0bbecf06b19f1e
Diameter
3624681962
Circumference
11387274223.419
Area
1.0318811868493E+19
Volume
2.4934940832666E+28
Surface area
4.1275247473973E+19
Circumference
11387274223.419
Perimeter
7249363924
Area
3284579831412042361
Diagonal
2563037194.9748
Surface area
1.9707478988472E+19
Volume
5.9527786338341E+27
Space diagonal
3139066659.7312
Perimeter
5437022943
Area
1.4222647873804E+18
Altitude
1569533329.8656
Surface area
1.4222647873804E+18
Volume
7.0154168981442E+26
Height
854345731.65825