1991234413 is an odd 10-digits composite number following 1991234412
and preceding 1991234414 . In scientific notation, it is written as 1.991234413 × 10^9.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 1659268800 positive integers (up to 1991234413) that are relatively prime to 1991234413.
1991234413 has 24 divisors, whose sum is 2381206464
The reverse of 1991234413 is 3144321991
Previous prime number is 311
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-four thousand four hundred thirteen
Scientific notation
1.991234413 × 10^9
Engineering notation
1.991234413 × 10^9
Prime Factorization
7 × 7 × 41 × 311 × 3187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
284462059
Product of the distinct prime numbers
The prime factorization of 1991234413 is 7 × 7 × 41 × 311 × 3187.
Since it has a total of 5 prime factors.
1 , 2 , 19 , 52 , 124 , 538 , 6414 , 4783 , 2147 , 81329 , 205549 , 817468 , 5609719 , 90005 , 72961097 , 59094565 , 586922622 , 768742234 , 5007597474 , 7724603991
n×2
3982468826
n×3
5973703239
n×4
7964937652
n×5
9956172065
n÷2
995617206.5
n÷3
663744804.33333
n÷3
497808603.25
n÷5
398246882.6
n2
3965014487515454569
n3
7.8952732955843E+27
n4
1.5721339886207E+37
n5
3.1304872999886E+46
2 √n
44623.249691164
3 √n
1258.0776963242
4 √n
211.24215888682
5 √n
72.414323504365
1 , 7 , 41 , 49 , 287 , 311 , 2009 , 2177 , 3187 , 12751 , 15239 , 22309 , 89257 , 130667 , 156163 , 624799 , 914669 , 991157 , 6402683 , 6938099 , 40637437 , 48566693 , 284462059 , 1991234413
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991234412
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991234413 can be divided by 24 positive divisors.
The sum of these divisors (counting 1991234413) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101011111101001101101101
3
Ternary
12010202212012002201
4
Quaternary
1312223331031231
5
Quinary
13034224000123
6
Senary
525331021501
8
Octal
16653751555
10
Decimal
1991234413
12
Duodecimal
476a3a891
16
Hexadecimal
76afd36d
20
Vigesimal
1b25460d
36
Base36
wxj2b1
md5
665f601eafb91d1ac4863b869fa1f81b
sha1
d595d6673053545d85414df79d99ff1d89ce62ab
sha256
438ab4fae3e006d446ef754592c1c94f4a1945c0322702ac21431eb6b61ea43e
sha512
6def52b497ff3a24592cd8829725e9f05fff2b366aa02e85c2c94ddd7d581e6b5b3e10d6442badb519ad0bf3ada77f99456fd748df8ba8d611c158c51704ed98
ripemd-160
2f5b887c5839ee342a7157c138d1e9e70b3f0005
Diameter
3982468826
Circumference
12511294806.912
Area
1.2456460385356E+19
Volume
3.3071643444655E+28
Surface area
4.9825841541423E+19
Circumference
12511294806.912
Perimeter
7964937652
Area
3965014487515454569
Diagonal
2816030712.7286
Surface area
2.3790086925093E+19
Volume
7.8952732955843E+27
Space diagonal
3448919173.0956
Perimeter
5973703239
Area
1.7169016362809E+18
Altitude
1724459586.5478
Surface area
1.7169016362809E+18
Volume
9.3046688110479E+26
Height
938676904.24288