1985182893 is an odd 10-digits composite number following 1985182892
and preceding 1985182894 . In scientific notation, it is written as 1.985182893 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 1298484096 positive integers (up to 1985182893) that are relatively prime to 1985182893.
1985182893 has 12 divisors, whose sum is 2921590620
The reverse of 1985182893 is 3982815891
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred eighty-five million one hundred eighty-two thousand eight hundred ninety-three
Scientific notation
1.985182893 × 10^9
Engineering notation
1.985182893 × 10^9
Prime Factorization
3 × 3 × 53 × 4161809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661727631
Product of the distinct prime numbers
The prime factorization of 1985182893 is 3 × 3 × 53 × 4161809.
Since it has a total of 4 prime factors.
4 , 2 , 84 , 11 , 700 , 449 , 4803 , 6522 , 61073 , 38231 , 723739 , 278565 , 4583820 , 5756882 , 22135104 , 24472105 , 347157976 , 770153352 , 2938317025 , 3832690190
n×2
3970365786
n×3
5955548679
n×4
7940731572
n×5
9925914465
n÷2
992591446.5
n÷3
661727631
n÷3
496295723.25
n÷5
397036578.6
n2
3940951118659849449
n3
7.8235087429127E+27
n4
1.5531095719666E+37
n5
3.0832065532227E+46
2 √n
44555.391289944
3 √n
1256.80193696
4 √n
211.08148021545
5 √n
72.370255321557
1 , 3 , 9 , 53 , 159 , 477 , 4161809 , 12485427 , 37456281 , 220575877 , 661727631 , 1985182893
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1985182892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1985182893 can be divided by 12 positive divisors.
The sum of these divisors (counting 1985182893) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010100110111110010101101
3
Ternary
12010100110201222100
4
Quaternary
1312110313302231
5
Quinary
13031201323033
6
Senary
524553205313
8
Octal
16624676255
10
Decimal
1985182893
12
Duodecimal
474a00839
16
Hexadecimal
76537cad
20
Vigesimal
1b077h4d
36
Base36
wtxcx9
md5
4f2587b19462ace56a767b3ce0a295e7
sha1
7ccea894500e973a51c95810c9cab0b94b586439
sha256
55f98b5f5973b13dd0253f2f9c81fd3331f70c999c24fa3b49b34b7b6795e9b3
sha512
099c30358cb07ad7879e5f8299f41bf0f9d589495d2c609e3609a9b44b661ff5381e8e3fd31f0aa49701684c4e13796064023eca718723409a283f95a44063e2
ripemd-160
66efeb605af14ad3e9808832f50f33516ac9ca03
Diameter
3970365786
Circumference
12473271985.362
Area
1.2380863082538E+19
Volume
3.2771036789374E+28
Surface area
4.9523452330153E+19
Circumference
12473271985.362
Perimeter
7940731572
Area
3940951118659849449
Diagonal
2807472571.0717
Surface area
2.3645706711959E+19
Volume
7.8235087429127E+27
Space diagonal
3438437632.9926
Perimeter
5955548679
Area
1.7064818919161E+18
Altitude
1719218816.4963
Surface area
1.7064818919161E+18
Volume
9.2200934746431E+26
Height
935824190.35722