1990361487 is an odd 10-digits composite number following 1990361486
and preceding 1990361488 . In scientific notation, it is written as 1.990361487 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 1326033368 positive integers (up to 1990361487) that are relatively prime to 1990361487.
1990361487 has 8 divisors, whose sum is 2655563904
The reverse of 1990361487 is 7841630991
Previous prime number is 1523
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion nine hundred ninety million three hundred sixty-one thousand four hundred eighty-seven
Scientific notation
1.990361487 × 10^9
Engineering notation
1.990361487 × 10^9
Prime Factorization
3 × 1523 × 435623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990361487
Product of the distinct prime numbers
The prime factorization of 1990361487 is 3 × 1523 × 435623.
Since it has a total of 3 prime factors.
7 , 8 , 47 , 83 , 710 , 884 , 4095 , 327 , 47085 , 64590 , 724207 , 447311 , 8949359 , 3948791 , 11600534 , 48391737 , 9025336 , 437969417 , 6597098996 , 9791981430
n×2
3980722974
n×3
5971084461
n×4
7961445948
n×5
9951807435
n÷2
995180743.5
n÷3
663453829
n÷3
497590371.75
n÷5
398072297.4
n2
3961538848932851169
n3
7.8848943541703E+27
n4
1.5693790051604E+37
n5
3.1236315303777E+46
2 √n
44613.46755185
3 √n
1257.8938289298
4 √n
211.21900376588
5 √n
72.40797332954
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990361486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990361487 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990361487) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101000101000000110001111
3
Ternary
12010201012211200010
4
Quaternary
1312220220012033
5
Quinary
13034013031422
6
Senary
525300204303
8
Octal
16650500617
10
Decimal
1990361487
12
Duodecimal
476699693
16
Hexadecimal
76a2818f
20
Vigesimal
1b1jf3e7
36
Base36
wx0cr3
md5
e0ed42786d918a3851d73251b30c133d
sha1
3a1b9a9ebc900394cda161b424552529774d377d
sha256
35749f944bc12be6ec467b7af38f7ab88869c5ce9a05103a207f86a163731e1d
sha512
12546d0805890d8177102ad956b4654e117148637520d9cfb72ba68fcffe51f44f22c9a76934a4c654b2442d544675b64049b9614a063ebe5d12127636f3cec5
ripemd-160
a73b253d06be14326f1ee2836d46755919f7fba0
Diameter
3980722974
Circumference
12505810051.095
Area
1.2445541344718E+19
Volume
3.3028168236524E+28
Surface area
4.9782165378872E+19
Circumference
12505810051.095
Perimeter
7961445948
Area
3961538848932851169
Diagonal
2814796208.9405
Surface area
2.3769233093597E+19
Volume
7.8848943541703E+27
Space diagonal
3447407220.9123
Perimeter
5971084461
Area
1.7153966406274E+18
Altitude
1723703610.4562
Surface area
1.7153966406274E+18
Volume
9.2924371112889E+26
Height
938265402.98016