1990752471 is an odd 10-digits composite number following 1990752470
and preceding 1990752472 . In scientific notation, it is written as 1.990752471 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1325516400 positive integers (up to 1990752471) that are relatively prime to 1990752471.
1990752471 has 8 divisors, whose sum is 1995966000
The reverse of 1990752471 is 1742570991
Previous prime number is 1301
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred ninety million seven hundred fifty-two thousand four hundred seventy-one
Scientific notation
1.990752471 × 10^9
Engineering notation
1.990752471 × 10^9
Prime Factorization
729 × 1301 × 2099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990752471
Product of the distinct prime numbers
The prime factorization of 1990752471 is 729 × 1301 × 2099.
Since it has a total of 3 prime factors.
7 , 9 , 79 , 36 , 538 , 421 , 9555 , 6890 , 40791 , 339 , 358170 , 526079 , 5722176 , 2402310 , 71604151 , 69891435 , 862781381 , 478397069 , 3590554814 , 2131306378
n×2
3981504942
n×3
5972257413
n×4
7963009884
n×5
9953762355
n÷2
995376235.5
n÷3
663584157
n÷3
497688117.75
n÷5
398150494.2
n2
3963095400792605841
n3
7.8895419619366E+27
n4
1.5706125155784E+37
n5
3.1267007463711E+46
2 √n
44617.849242204
3 √n
1257.9761898751
4 √n
211.22937589787
5 √n
72.410817851502
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
-1990752470
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 1990752471 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990752471) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101010000111100011010111
3
Ternary
12010201221201000000
4
Quaternary
1312222013203113
5
Quinary
13034113034341
6
Senary
525312422343
8
Octal
16652074327
10
Decimal
1990752471
12
Duodecimal
4768479b3
16
Hexadecimal
76a878d7
20
Vigesimal
1b22413b
36
Base36
wx8qfr
md5
aa077e5420d6ea283da9cb4d33d35f8d
sha1
091f76772d21bc0ad8b4fbf751e8b3c57a522642
sha256
8d11437c3008dbaeeba6d5bdb81153ede51be1629ef6c2d4a86ad9faee5cbd71
sha512
18bba5546158d56536c3b82860f403faffa71d217f6506b8121e5630bccc3884acaff369cb4b624352b4b3a6f069c3f44754f4ff60cd5b702b296c224fb59d80
ripemd-160
5bad94acd267c7b57054f3482691ef96414544dd
Diameter
3981504942
Circumference
12508266676.019
Area
1.2450431396606E+19
Volume
3.3047636090411E+28
Surface area
4.9801725586422E+19
Circumference
12508266676.019
Perimeter
7963009884
Area
3963095400792605841
Diagonal
2815349143.816
Surface area
2.3778572404756E+19
Volume
7.8895419619366E+27
Space diagonal
3448084425.0653
Perimeter
5972257413
Area
1.7160706473538E+18
Altitude
1724042212.5326
Surface area
1.7160706473538E+18
Volume
9.2979143695687E+26
Height
938449714.60532