1990357891 is an odd 10-digits prime number following 1990357890
and preceding 1990357892 . In scientific notation, it is written as 1.990357891 × 10^9.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 1990357890 positive integers (up to 1990357891) that are relatively prime to 1990357891.
1990357891 has 2 divisors, whose sum is 1990357892
The reverse of 1990357891 is 1987530991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 52 Digital Root 7
Name
one billion nine hundred ninety million three hundred fifty-seven thousand eight hundred ninety-one
Scientific notation
1.990357891 × 10^9
Engineering notation
1.990357891 × 10^9
Prime Factorization
1990357891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1990357891 Product of the distinct prime numbers
The prime factorization of 1990357891 is 1990357891.
Since it has a total of 1 prime factors.
6 , 2 , 46 , 89 , 403 , 327 , 2121 , 508 , 19480 , 57591 , 694320 , 554430 , 5190335 , 7761071 , 9589192 , 85206680 , 830180376 , 851881039 , 5339457606 , 3578914380
n×2
3980715782
n×3
5971073673
n×4
7961431564
n×5
9951789455
n÷2
995178945.5
n÷3
663452630.33333
n÷3
497589472.75
n÷5
398071578.2
n2
3961524534265967881
n3
7.8848516171664E+27
n4
1.5693676635591E+37
n5
3.1236033130451E+46
2 √n44613.4272501
3 √n1257.8930713809
4 √n211.2189083631
5 √n72.407947165523
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1990357892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
995178946 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
44613.427261308 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999989952 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990357891 can be divided by 2 positive divisors.
The sum of these divisors (counting 1990357891) is 1990357892, the average is 995178946.
Base
System
Value
2
Binary
1110110101000100111001110000011
3
Ternary
12010201012122201221
4
Quaternary
1312220213032003
5
Quinary
13034012423031
6
Senary
525300135511
8
Octal
16650471603
10
Decimal
1990357891
12
Duodecimal
476697597
16
Hexadecimal
76a27383
20
Vigesimal
1b1jeeeb
36
Base36
wx09z7
md5
2fc06900dabeb7e6fdb5e684e8ff6944
sha1
0ad16bed97181afd416c62bca0b95c43a45377d1
sha256
13bb0b091ef8bd297c3728a9f2d16032e29f60bf4521b91c75ceec5b6fd95a80
sha512
886084acd98ca7be3d444921b1d5e8cb6decd819c03c06b6c6bdb0287bc0b00c7d76219f9c4958f19728ae2d5af9d7493bddbf54cd9b2227bcee5a6aa0bf46e2
ripemd-160
2214f27ab4687576306c8cc63f9523feab9735e6
Diameter
3980715782
Circumference
12505787456.76
Area
1.2445496373866E+19
Volume
3.3027989220181E+28
Surface area
4.9781985495463E+19
Circumference
12505787456.76
Perimeter
7961431564
Area
3961524534265967881
Diagonal
2814791123.4285
Surface area
2.3769147205596E+19
Volume
7.8848516171664E+27
Space diagonal
3447400992.4576
Perimeter
5971073673
Area
1.7153904421948E+18
Altitude
1723700496.2288
Surface area
1.7153904421948E+18
Volume
9.2923867452468E+26
Height
938263707.8095