1821984420 is an even 10-digits composite number following 1821984419
and preceding 1821984421 . In scientific notation, it is written as 1.821984420 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 485862496 positive integers (up to 1821984420) that are relatively prime to 1821984420.
1821984420 has 12 divisors, whose sum is 3401037696
The reverse of 1821984420 is 0244891281
Previous prime number is 15
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion eight hundred twenty-one million nine hundred eighty-four thousand four hundred twenty
Scientific notation
1.821984420 × 10^9
Engineering notation
1.821984420 × 10^9
Prime Factorization
2 × 2 × 15 × 30366407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
910992210
Product of the distinct prime numbers
The prime factorization of 1821984420 is 2 × 2 × 15 × 30366407.
Since it has a total of 4 prime factors.
10 , 10 , 78 , 37 , 744 , 953 , 5039 , 2786 , 76578 , 88694 , 263225 , 876869 , 1947433 , 9603161 , 14172215 , 12953412 , 540008509 , 699819682 , 3497029913 , 7230184791
n×2
3643968840
n×3
5465953260
n×4
7287937680
n×5
9109922100
n÷2
910992210
n÷3
607328140
n÷3
455496105
n÷5
364396884
n2
3319627226722736400
n3
6.0483090872966E+27
n4
1.1019924924399E+37
n5
2.0078131521824E+46
2 √n
42684.709440267
3 √n
1221.3727314655
4 √n
206.6027817825
5 √n
71.139192595507
1 , 2 , 4 , 15 , 30 , 60 , 30366407 , 60732814 , 121465628 , 455496105 , 910992210 , 1821984420
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
-1821984419
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 1821984420 can be divided by 12 positive divisors.
The sum of these divisors (counting 1821984420) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100100110010100011010100100
3
Ternary
11200222101101202110
4
Quaternary
1230212110122210
5
Quinary
12212412000140
6
Senary
500443241020
8
Octal
15446243244
10
Decimal
1821984420
12
Duodecimal
42a219170
16
Hexadecimal
6c9946a4
20
Vigesimal
18978110
36
Base36
u4rg6c
md5
0b4e93f24797369be774aa8f4b95309e
sha1
c1fdc622ec9700ea92835aafdbed4d5e1e081c08
sha256
70faeafbcd79823d753be30f3be65aa8d3f14873d23b68f6d5612f2869aebb00
sha512
427056b9b2668cfa61760ced1fa679cc2f46836c95eccbf502232919ec0bd269b102d63d18e1ae76b9f4ce6eba6f914c72458715ad61591390a95ab1fdb263d8
ripemd-160
6642d40535b24bb6035fd311792204b688d7ffba
Diameter
3643968840
Circumference
11447865737.654
Area
1.0428916508129E+19
Volume
2.5335097860389E+28
Surface area
4.1715666032515E+19
Circumference
11447865737.654
Perimeter
7287937680
Area
3319627226722736400
Diagonal
2576675077.1965
Surface area
1.9917763360336E+19
Volume
6.0483090872966E+27
Space diagonal
3155769586.0389
Perimeter
5465953260
Area
1.4374407547182E+18
Altitude
1577884793.0195
Surface area
1.4374407547182E+18
Volume
7.1280006172328E+26
Height
858891692.39883