1989631631 is an odd 10-digits composite number following 1989631630
and preceding 1989631632 . In scientific notation, it is written as 1.989631631 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 1836143712 positive integers (up to 1989631631) that are relatively prime to 1989631631.
1989631631 has 8 divisors, whose sum is 2143192800
The reverse of 1989631631 is 1361369891
Previous prime number is 4813
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred eighty-nine million six hundred thirty-one thousand six hundred thirty-one
Scientific notation
1.989631631 × 10^9
Engineering notation
1.989631631 × 10^9
Prime Factorization
13 × 4813 × 31799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1989631631
Product of the distinct prime numbers
The prime factorization of 1989631631 is 13 × 4813 × 31799.
Since it has a total of 3 prime factors.
5 , 4 , 54 , 79 , 37 , 295 , 705 , 3683 , 62118 , 6080 , 518261 , 250703 , 4302038 , 2486445 , 45252195 , 4318128 , 860338046 , 941083179 , 8119760590 , 8975993384
n×2
3979263262
n×3
5968894893
n×4
7958526524
n×5
9948158155
n÷2
994815815.5
n÷3
663210543.66667
n÷3
497407907.75
n÷5
397926326.2
n2
3958634027075720161
n3
7.8762234758228E+27
n4
1.5670783360322E+37
n5
3.1179086256245E+46
2 √n
44605.287029678
3 √n
1257.74005559
4 √n
211.19963785404
5 √n
72.402662219233
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
-1989631630
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 1989631631 can be divided by 8 positive divisors.
The sum of these divisors (counting 1989631631) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110100101110101111010001111
3
Ternary
12010122211202111102
4
Quaternary
1312211311322033
5
Quinary
13033321203011
6
Senary
525232413315
8
Octal
16645657217
10
Decimal
1989631631
12
Duodecimal
4763a723b
16
Hexadecimal
76975e8f
20
Vigesimal
1b1f3j1b
36
Base36
wwkplb
md5
f7a94696c2e7780ad86695eff2f39ae0
sha1
0173e762034e1bad341046ce16ee09676f58668c
sha256
a04a8eeae93d7ccb58144c844cd4e0402a67c130cf2d676a942b39b2c44a7a04
sha512
c4ef9e255cf017e5c36f18621b27d9a3914cccce9e5f19e6314de2a19db5f62a7e3c3e58ca9fb3656659743a8152090987336400f57f2a30a490ac873715e397
ripemd-160
07dbdd6021283512f42d3a6d2abdd32f03294657
Diameter
3979263262
Circumference
12501224230.599
Area
1.2436415577712E+19
Volume
3.2991847746235E+28
Surface area
4.9745662310847E+19
Circumference
12501224230.599
Perimeter
7958526524
Area
3958634027075720161
Diagonal
2813764036.6867
Surface area
2.3751804162454E+19
Volume
7.8762234758228E+27
Space diagonal
3446143073.2381
Perimeter
5968894893
Area
1.7141388158665E+18
Altitude
1723071536.6191
Surface area
1.7141388158665E+18
Volume
9.2822183831583E+26
Height
937921345.56223