1991231083 is an odd 10-digits composite number following 1991231082
and preceding 1991231084 . In scientific notation, it is written as 1.991231083 × 10^9.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1977866968 positive integers (up to 1991231083) that are relatively prime to 1991231083.
1991231083 has 4 divisors, whose sum is 2004595200
The reverse of 1991231083 is 3801321991
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion nine hundred ninety-one million two hundred thirty-one thousand eighty-three
Scientific notation
1.991231083 × 10^9
Engineering notation
1.991231083 × 10^9
Prime Factorization
149 × 13363967
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991231083
Product of the distinct prime numbers
The prime factorization of 1991231083 is 149 × 13363967.
Since it has a total of 2 prime factors.
6 , 10 , 79 , 19 , 138 , 800 , 3653 , 5500 , 57665 , 27233 , 320167 , 836181 , 3196944 , 4638581 , 7418126 , 69087932 , 968228164 , 36495872 , 1214994347 , 2874580661
n×2
3982462166
n×3
5973693249
n×4
7964924332
n×5
9956155415
n÷2
995615541.5
n÷3
663743694.33333
n÷3
497807770.75
n÷5
398246216.6
n2
3965001225905352889
n3
7.8952336851558E+27
n4
1.5721234721431E+37
n5
3.1304611240452E+46
2 √n
44623.212378761
3 √n
1258.076995017
4 √n
211.24207057014
5 √n
72.414299284227
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
-1991231082
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 1991231083 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991231083) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101011111100011001101011
3
Ternary
12010202212000112101
4
Quaternary
1312223330121223
5
Quinary
13034223343313
6
Senary
525330554231
8
Octal
16653743153
10
Decimal
1991231083
12
Duodecimal
476a38977
16
Hexadecimal
76afc66b
20
Vigesimal
1b253he3
36
Base36
wxizqj
md5
02aeac0e096d6c70c89932ffecdad3f7
sha1
b625d2f7d10c51dc096adaa8c9f52f5069624d0f
sha256
33597fbba90876749a0e681bd2e79663a3d3bb652c0be2eda019d79d2ce65191
sha512
81f5fceaf60c3fa182c47fc7b735b56d2577453d0663c6558065ac771eee3425be77fd5a30ff4d6a0ea5dfa97abc0341232dca488e4e33147a1817fb8493c0b7
ripemd-160
11e5d4719ea5df1214ec86dd573056d0fc50d282
Diameter
3982462166
Circumference
12511273883.905
Area
1.2456418722779E+19
Volume
3.307147752488E+28
Surface area
4.9825674891115E+19
Circumference
12511273883.905
Perimeter
7964924332
Area
3965001225905352889
Diagonal
2816026003.3975
Surface area
2.3790007355432E+19
Volume
7.8952336851558E+27
Space diagonal
3448913405.3664
Perimeter
5973693249
Area
1.7168958938352E+18
Altitude
1724456702.6832
Surface area
1.7168958938352E+18
Volume
9.3046221297103E+26
Height
938675334.46582