991661572 is an even 9-digits composite number following 991661571
and preceding 991661573 . In scientific notation, it is written as 9.91661572 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 450755240 positive integers (up to 991661572) that are relatively prime to 991661572.
991661572 has 12 divisors, whose sum is 1893172176
The reverse of 991661572 is 275166199
Previous prime number is 11
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
nine hundred ninety-one million six hundred sixty-one thousand five hundred seventy-two
Scientific notation
9.91661572 × 10^8
Engineering notation
9.91661572 × 10^6
Prime Factorization
2 × 2 × 11 × 22537763
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
495830786 Product of the distinct prime numbers
The prime factorization of 991661572 is 2 × 2 × 11 × 22537763.
Since it has a total of 4 prime factors.
10 , 2 , 72 , 53 , 375 , 502 , 3715 , 2155 , 67772 , 18020 , 399954 , 732430 , 4226699 , 6398729 , 53891373 , 33027422 , 172267779 , 296348404 , 3758370691 , 8319933546
n×2
1983323144
n×3
2974984716
n×4
3966646288
n×5
4958307860
n÷2
495830786
n÷3
330553857.33333
n÷3
247915393
n÷5
198332314.4
n2
983392673381511184
n3
9.7519272437879E+26
n4
9.6706115006044E+35
n5
9.5899738028906E+44
2 √n31490.658487875
3 √n997.21276252499
4 √n177.45607481254
5 √n62.990157873478
1 , 2 , 4 , 11 , 22 , 44 , 22537763 , 45075526 , 90151052 , 247915393 , 495830786 , 991661572
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-991661571 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991661572 can be divided by 12 positive divisors.
The sum of these divisors (counting 991661572) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111011000110111000111000000100
3
Ternary
2120002222121221101
4
Quaternary
323012320320010
5
Quinary
4012331132242
6
Senary
242222425444
8
Octal
7306707004
10
Decimal
991661572
12
Duodecimal
238132284
16
Hexadecimal
3b1b8e04
20
Vigesimal
f9hhdic
36
Base36
geeqys
md5
f997d05c12c1299c5e7b070750c07854
sha1
30716c0b7dc5fec2cc488fe67a8e3134d4281058
sha256
078762ec55867a083491d0b0c2b632c012533dfa01c469188a2d3aeb1c96dce8
sha512
023ad249b8b703d56ee1ea571468ccc2291d2826d81858a02ab273dfb6ef389444e17a77e28d3542f7177c0465671a30e1eba219e1b72e4b05b48b91d6ba9301
ripemd-160
952351ae002a1a9aade0e09f5b58b5ec197143cb
Diameter
1983323144
Circumference
6230793418.885
Area
3.0894191982894E+18
Volume
4.0848777316568E+27
Surface area
1.2357676793158E+19
Circumference
6230793418.885
Perimeter
3966646288
Area
983392673381511184
Diagonal
1402421244.4066
Surface area
5900356040289067104
Volume
9.7519272437879E+26
Space diagonal
1717608226.6176
Perimeter
2974984716
Area
4.2582151852194E+17
Altitude
858804113.30881
Surface area
4.2582151852194E+17
Volume
1.1492756472867E+26
Height
467473748.13554