1989888974 is an even 10-digits composite number following 1989888973
and preceding 1989888975 . In scientific notation, it is written as 1.989888974 × 10^9.
The sum of its digits is 71. It has a total of 2 prime factors and 4 positive divisors.
There are 994944486 positive integers (up to 1989888974) that are relatively prime to 1989888974.
1989888974 has 4 divisors, whose sum is 2984833464
The reverse of 1989888974 is 4798889891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 71
Digital Root 8
Name
one billion nine hundred eighty-nine million eight hundred eighty-eight thousand nine hundred seventy-four
Scientific notation
1.989888974 × 10^9
Engineering notation
1.989888974 × 10^9
Prime Factorization
2 × 994944487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1989888974
Product of the distinct prime numbers
The prime factorization of 1989888974 is 2 × 994944487.
Since it has a total of 2 prime factors.
10 , 5 , 59 , 99 , 808 , 985 , 8958 , 3352 , 86550 , 20055 , 196037 , 222999 , 7683795 , 2709765 , 83360323 , 6605357 , 300828576 , 981308726 , 2926475672 , 1796967199
n×2
3979777948
n×3
5969666922
n×4
7959555896
n×5
9949444870
n÷2
994944487
n÷3
663296324.66667
n÷3
497472243.5
n÷5
397977794.8
n2
3959658128846772676
n3
7.8792800514017E+27
n4
1.5678892497342E+37
n5
3.1199255304993E+46
2 √n
44608.17160566
3 √n
1257.7942794708
4 √n
211.20646677046
5 √n
72.404535063845
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
-1989888973
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 1989888974 can be divided by 4 positive divisors.
The sum of these divisors (counting 1989888974) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110100110110100101111001110
3
Ternary
12010200022211111122
4
Quaternary
1312212310233032
5
Quinary
13033402421344
6
Senary
525242120542
8
Octal
16646645716
10
Decimal
1989888974
12
Duodecimal
4764b0152
16
Hexadecimal
769b4bce
20
Vigesimal
1b1gg28e
36
Base36
wwq85q
md5
1edadf698392b874423b802df4199bb0
sha1
10725088fce0586a6d064f6a612a09f0e6681c43
sha256
bb1cb1afc1b63f49a8ab2837f8c11d1d3d5a62b58a2034194c49467a695ae6ec
sha512
f39369a5b6f542c7c7725211172c8557be912770a3964824e1fa7c1169854f9575445e119e900831df2972168461e0b3ce453702621d995dd41980b2fcc1de9d
ripemd-160
a30c73b57c73f7eac9bd164eaff8ef52b71dfcf4
Diameter
3979777948
Circumference
12502841164.355
Area
1.2439632888312E+19
Volume
3.300465110008E+28
Surface area
4.9758531553249E+19
Circumference
12502841164.355
Perimeter
7959555896
Area
3959658128846772676
Diagonal
2814127974.6475
Surface area
2.3757948773081E+19
Volume
7.8792800514017E+27
Space diagonal
3446588804.3891
Perimeter
5969666922
Area
1.7145822649414E+18
Altitude
1723294402.1946
Surface area
1.7145822649414E+18
Volume
9.2858205920233E+26
Height
938042658.21583