1989469449 is an odd 10-digits composite number following 1989469448
and preceding 1989469450 . In scientific notation, it is written as 1.989469449 × 10^9.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 1205739000 positive integers (up to 1989469449) that are relatively prime to 1989469449.
1989469449 has 12 divisors, whose sum is 3134921712
The reverse of 1989469449 is 9449649891
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion nine hundred eighty-nine million four hundred sixty-nine thousand four hundred forty-nine
Scientific notation
1.989469449 × 10^9
Engineering notation
1.989469449 × 10^9
Prime Factorization
3 × 3 × 11 × 20095651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
663156483
Product of the distinct prime numbers
The prime factorization of 1989469449 is 3 × 3 × 11 × 20095651.
Since it has a total of 4 prime factors.
7 , 10 , 23 , 55 , 745 , 542 , 6947 , 4357 , 51306 , 92147 , 641799 , 526835 , 2269814 , 1661626 , 18464558 , 14886330 , 373940293 , 831184464 , 3779732630 , 6831383015
n×2
3978938898
n×3
5968408347
n×4
7957877796
n×5
9947347245
n÷2
994734724.5
n÷3
663156483
n÷3
497367362.25
n÷5
397893889.8
n2
3957988688504363601
n3
7.874297575267E+27
n4
1.5665674458328E+37
n5
3.1166380732824E+46
2 √n
44603.469024281
3 √n
1257.7058803626
4 √n
211.19533381276
5 √n
72.401481820684
1 , 3 , 9 , 11 , 33 , 99 , 20095651 , 60286953 , 180860859 , 221052161 , 663156483 , 1989469449
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
-1989469448
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 1989469449 can be divided by 12 positive divisors.
The sum of these divisors (counting 1989469449) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110100101001110010100001001
3
Ternary
12010122112112000200
4
Quaternary
1312211032110021
5
Quinary
13033301010244
6
Senary
525225122413
8
Octal
16645162411
10
Decimal
1989469449
12
Duodecimal
476329409
16
Hexadecimal
7694e509
20
Vigesimal
1b1e3dc9
36
Base36
wwh8g9
md5
5a4cee509331346e25f4fa27264d2784
sha1
f68929d6ed3c13598503322ffdf6f01e7501039d
sha256
47bf335188fef0e539169641384b112b3695c15348e82695be78e4c817369a8e
sha512
9088fba56f417110b8f135d528e969bf1cbfbfbe07b97dffd29f18d95311286ea95526f78c25fcce43c76f27ad448c526f29e79624678419079c5ff58ba0ae79
ripemd-160
da9e42b38518ba0e951a9b3c0cc052828c420838
Diameter
3978938898
Circumference
12500205211.039
Area
1.2434388186797E+19
Volume
3.2983780552852E+28
Surface area
4.9737552747187E+19
Circumference
12500205211.039
Perimeter
7957877796
Area
3957988688504363601
Diagonal
2813534676.7027
Surface area
2.3747932131026E+19
Volume
7.874297575267E+27
Space diagonal
3445862165.7741
Perimeter
5968408347
Area
1.7138593760681E+18
Altitude
1722931082.887
Surface area
1.7138593760681E+18
Volume
9.2799486875868E+26
Height
937844892.23424