1921431489 is an odd 10-digits composite number following 1921431488
and preceding 1921431490 . In scientific notation, it is written as 1.921431489 × 10^9.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 1280954324 positive integers (up to 1921431489) that are relatively prime to 1921431489.
1921431489 has 4 divisors, whose sum is 2561908656
The reverse of 1921431489 is 9841341291
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion nine hundred twenty-one million four hundred thirty-one thousand four hundred eighty-nine
Scientific notation
1.921431489 × 10^9
Engineering notation
1.921431489 × 10^9
Prime Factorization
3 × 640477163
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1921431489
Product of the distinct prime numbers
The prime factorization of 1921431489 is 3 × 640477163.
Since it has a total of 2 prime factors.
2 , 3 , 70 , 25 , 1000 , 420 , 7087 , 8652 , 17185 , 63647 , 504260 , 921124 , 441239 , 4013216 , 22233678 , 79004514 , 559294403 , 592130211 , 5004353601 , 6031480976
n×2
3842862978
n×3
5764294467
n×4
7685725956
n×5
9607157445
n÷2
960715744.5
n÷3
640477163
n÷3
480357872.25
n÷5
384286297.8
n2
3691898966920757121
n3
7.0937309292481E+27
n4
1.3630117981951E+37
n5
2.6189337889305E+46
2 √n
43834.136115589
3 √n
1243.2018123948
4 √n
209.3660338154
5 √n
71.899352741015
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
-1921431488
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 1921431489 can be divided by 4 positive divisors.
The sum of these divisors (counting 1921431489) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010100001101011011111000001
3
Ternary
11221220111211111020
4
Quaternary
1302201223133001
5
Quinary
12413341301424
6
Senary
514354540053
8
Octal
16241533701
10
Decimal
1921431489
12
Duodecimal
457597629
16
Hexadecimal
7286b7c1
20
Vigesimal
1a08iie9
36
Base36
vryy0x
md5
126d1f3d9c9ba06452f18434e587053b
sha1
0f9ed7a395996fadfe50520e39bc2bcd269c196b
sha256
a9bbf8e4302fbad780c18340c5ac053408a80d907ea89e98fa6f8072b3cd064c
sha512
5bd881082e230fc2e3404a193b77838e3bad406fe3e567a00c6917f7a22a2a5dbf3aa9d84a7e4c8abc05d2de52cc8653e3d3b1441bbad12ecf0ae90005813da2
ripemd-160
7a6ca49581f80215d98abd44560c51a0ecadcd9f
Diameter
3842862978
Circumference
12072710100.437
Area
1.1598442672274E+19
Volume
2.9714150631825E+28
Surface area
4.6393770689096E+19
Circumference
12072710100.437
Perimeter
7685725956
Area
3691898966920757121
Diagonal
2717314470.9145
Surface area
2.2151393801525E+19
Volume
7.0937309292481E+27
Space diagonal
3328016962.2107
Perimeter
5764294467
Area
1.5986391467795E+18
Altitude
1664008481.1054
Surface area
1.5986391467795E+18
Volume
8.3600420733068E+26
Height
905771490.30484