991034257 is an odd 9-digits composite number following 991034256
and preceding 991034258 . In scientific notation, it is written as 9.91034257 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 947232000 positive integers (up to 991034257) that are relatively prime to 991034257.
991034257 has 16 divisors, whose sum is 1035707904
The reverse of 991034257 is 752430199
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
nine hundred ninety-one million thirty-four thousand two hundred fifty-seven
Scientific notation
9.91034257 × 10^8
Engineering notation
9.91034257 × 10^6
Prime Factorization
31 × 131 × 881 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
991034257
Product of the distinct prime numbers
The prime factorization of 991034257 is 31 × 131 × 881 × 277.
Since it has a total of 4 prime factors.
9 , 1 , 7 , 43 , 422 , 528 , 4695 , 4345 , 11905 , 5696 , 605185 , 534236 , 4913822 , 7297963 , 89687530 , 64802694 , 767394832 , 920331228 , 6879531312 , 6465774789
n×2
1982068514
n×3
2973102771
n×4
3964137028
n×5
4955171285
n÷2
495517128.5
n÷3
330344752.33333
n÷3
247758564.25
n÷5
198206851.4
n2
982148898547542049
n3
9.7334320393543E+26
n4
9.6461645891815E+35
n5
9.5596795565392E+44
2 √n
31480.696577427
3 √n
997.00244262783
4 √n
177.42800392674
5 √n
62.982186469839
1 , 31 , 131 , 277 , 881 , 4061 , 8587 , 27311 , 36287 , 115411 , 244037 , 1124897 , 3577741 , 7565147 , 31968847 , 991034257
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991034256
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991034257 can be divided by 16 positive divisors.
The sum of these divisors (counting 991034257) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000100011111101110010001
3
Ternary
2120001210202102111
4
Quaternary
323010133232101
5
Quinary
4012201044012
6
Senary
242201145321
8
Octal
7304375621
10
Decimal
991034257
12
Duodecimal
237a8b241
16
Hexadecimal
3b11fb91
20
Vigesimal
f9dj5ch
36
Base36
ge1axd
md5
3546e8e72e268867657c06063adc00ce
sha1
91a39cc93ca4047c3c895ec69d080df55ab38e95
sha256
d26b4ef7d3de9b8faf86274368ce67a68af959c92e55244cdcff2d118628fa6c
sha512
3ed2164fe7ad0e3ebeea4a77c540ea3a33937275f7cf81b8305a9ec9a1e8849b8f6cf8e67b04b98bfb39c4439eaa3a0cdbeb5e9d69da6c1698c1ceee747121ba
ripemd-160
d2715700d46073261f384ee9deea116d651c55ab
Diameter
1982068514
Circumference
6226851882.494
Area
3.0855117644083E+18
Volume
4.0771304785401E+27
Surface area
1.2342047057633E+19
Circumference
6226851882.494
Perimeter
3964137028
Area
982148898547542049
Diagonal
1401534087.0257
Surface area
5892893391285252294
Volume
9.7334320393543E+26
Space diagonal
1716521685.1653
Perimeter
2973102771
Area
4.2528294822054E+17
Altitude
858260842.58264
Surface area
4.2528294822054E+17
Volume
1.147095966541E+26
Height
467178029.00858