1991054311 is an odd 10-digits composite number following 1991054310
and preceding 1991054312 . In scientific notation, it is written as 1.991054311 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 1975376592 positive integers (up to 1991054311) that are relatively prime to 1991054311.
1991054311 has 4 divisors, whose sum is 2006732032
The reverse of 1991054311 is 1134501991
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion nine hundred ninety-one million fifty-four thousand three hundred eleven
Scientific notation
1.991054311 × 10^9
Engineering notation
1.991054311 × 10^9
Prime Factorization
127 × 15677593
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991054311
Product of the distinct prime numbers
The prime factorization of 1991054311 is 127 × 15677593.
Since it has a total of 2 prime factors.
10 , 7 , 72 , 36 , 98 , 757 , 8171 , 9035 , 93434 , 51769 , 283071 , 238769 , 6518701 , 3859225 , 49739465 , 1421578 , 19158161 , 928798553 , 997709529 , 6520451459
n×2
3982108622
n×3
5973162933
n×4
7964217244
n×5
9955271555
n÷2
995527155.5
n÷3
663684770.33333
n÷3
497763577.75
n÷5
398210862.2
n2
3964297269351684721
n3
7.8931311682282E+27
n4
1.5715652839789E+37
n5
3.1290718336842E+46
2 √n
44621.231616799
3 √n
1258.0397652232
4 √n
211.23738214814
5 √n
72.413013519335
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
-1991054310
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 1991054311 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991054311) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101011010001001111100111
3
Ternary
12010202112001001021
4
Quaternary
1312223101033213
5
Quinary
13034202214221
6
Senary
525323112011
8
Octal
16653211747
10
Decimal
1991054311
12
Duodecimal
476972607
16
Hexadecimal
76ad13e7
20
Vigesimal
1b241ffb
36
Base36
wxf7c7
md5
716485b47ea70c3ef9151a9c40e54126
sha1
ced5649eae5639705a914a71606ffb28e4e78c0c
sha256
6c0961d06aacc77e449ec09a0005c3360dd8a93ef2dd38b7f3d47c1b45b34bda
sha512
425d088251e6405bd2a872ec1fd2a832a8b5cedc742125970a96234255458079280ee9d0f7dc235943f09caf1d372e5303eb628bfb6e435bc582602f0ed7bbae
ripemd-160
b0cdc60532f169920d47472e26b9cb7143a16168
Diameter
3982108622
Circumference
12510163192.672
Area
1.2454207178041E+19
Volume
3.3062670522568E+28
Surface area
4.9816828712165E+19
Circumference
12510163192.672
Perimeter
7964217244
Area
3964297269351684721
Diagonal
2815776010.0376
Surface area
2.378578361611E+19
Volume
7.8931311682282E+27
Space diagonal
3448607227.281
Perimeter
5973162933
Area
1.7165910717059E+18
Altitude
1724303613.6405
Surface area
1.7165910717059E+18
Volume
9.3021442897484E+26
Height
938592003.34587