1990279549 is an odd 10-digits composite number following 1990279548
and preceding 1990279550 . In scientific notation, it is written as 1.990279549 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 1988822236 positive integers (up to 1990279549) that are relatively prime to 1990279549.
1990279549 has 4 divisors, whose sum is 1991736864
The reverse of 1990279549 is 9459720991
Previous prime number is 1367
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred ninety million two hundred seventy-nine thousand five hundred forty-nine
Scientific notation
1.990279549 × 10^9
Engineering notation
1.990279549 × 10^9
Prime Factorization
1367 × 1455947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990279549
Product of the distinct prime numbers
The prime factorization of 1990279549 is 1367 × 1455947.
Since it has a total of 2 prime factors.
8 , 10 , 21 , 54 , 535 , 923 , 4382 , 4422 , 49596 , 32510 , 799488 , 414433 , 1345864 , 7201734 , 32489165 , 5141730 , 303547173 , 482688478 , 6763766016 , 8525887839
n×2
3980559098
n×3
5970838647
n×4
7961118196
n×5
9951397745
n÷2
995139774.5
n÷3
663426516.33333
n÷3
497569887.25
n÷5
398055909.8
n2
3961212683167643401
n3
7.883920592548E+27
n4
1.5691205921288E+37
n5
3.1229886244288E+46
2 √n
44612.549232251
3 √n
1257.8765672884
4 √n
211.21682989821
5 √n
72.407377150177
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
-1990279548
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 1990279549 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990279549) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101000010100000101111101
3
Ternary
12010201001200021101
4
Quaternary
1312220110011331
5
Quinary
13034002421144
6
Senary
525254333101
8
Octal
16650240575
10
Decimal
1990279549
12
Duodecimal
47665a191
16
Hexadecimal
76a1417d
20
Vigesimal
1b1j4ih9
36
Base36
wwylj1
md5
0cbd596fe34c2550402bed6a3af5b887
sha1
d7423132eac95ee903f051c250397b4cd26ace5e
sha256
1b0623e53c958c2cbf3d8030482e50b826b9a883a9a7d3f7d9f52834b8f4c563
sha512
eacb4035b2c883331f13842fb9e7134c6e204d6c867675c0ca7aca236966365c0c992ef862e51a1aa5ab2917f7be76dcdf0dd4bf518f8cf93110b4b66519e7b6
ripemd-160
ca081d536c9cefce6a07fbfe8416f00f5d728b9f
Diameter
3980559098
Circumference
12505295219.457
Area
1.2444516664746E+19
Volume
3.3024089353379E+28
Surface area
4.9778066658985E+19
Circumference
12505295219.457
Perimeter
7961118196
Area
3961212683167643401
Diagonal
2814680331.1096
Surface area
2.3767276099006E+19
Volume
7.883920592548E+27
Space diagonal
3447265300.1333
Perimeter
5970838647
Area
1.7152554067081E+18
Altitude
1723632650.0666
Surface area
1.7152554067081E+18
Volume
9.2912895222116E+26
Height
938226777.03654