891997029 is an odd 9-digits composite number following 891997028
and preceding 891997030 . In scientific notation, it is written as 8.91997029 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 463352400 positive integers (up to 891997029) that are relatively prime to 891997029.
891997029 has 24 divisors, whose sum is 1108722048
The reverse of 891997029 is 920799198
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
eight hundred ninety-one million nine hundred ninety-seven thousand twenty-nine
Scientific notation
8.91997029 × 10^8
Engineering notation
8.91997029 × 10^6
Prime Factorization
33 × 7 × 27 × 7 × 20431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
127428147
Product of the distinct prime numbers
The prime factorization of 891997029 is 33 × 7 × 27 × 7 × 20431.
Since it has a total of 5 prime factors.
9 , 4 , 2 , 31 , 390 , 630 , 936 , 2145 , 32742 , 66985 , 772441 , 616223 , 4113735 , 4467437 , 16514401 , 11529660 , 678357813 , 279154113 , 75588990 , 287993847
n×2
1783994058
n×3
2675991087
n×4
3567988116
n×5
4459985145
n÷2
445998514.5
n÷3
297332343
n÷3
222999257.25
n÷5
178399405.8
n2
795658699744826841
n3
7.0972519627039E+26
n4
6.3307276647963E+35
n5
5.6469902684064E+44
2 √n
29866.319307876
3 √n
962.61908829513
4 √n
172.8187469804
5 √n
61.669820106458
1 , 7 , 27 , 33 , 49 , 189 , 231 , 891 , 1323 , 1617 , 6237 , 20431 , 43659 , 143017 , 551637 , 674223 , 1001119 , 3861459 , 4719561 , 18204021 , 27030213 , 33036927 , 127428147 , 891997029
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
-891997028
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 891997029 can be divided by 24 positive divisors.
The sum of these divisors (counting 891997029) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110101001010101100101101100101
3
Ternary
2022011110010220000
4
Quaternary
311022230231211
5
Quinary
3311322401104
6
Senary
224302331513
8
Octal
6512545545
10
Decimal
891997029
12
Duodecimal
20a889b99
16
Hexadecimal
352acb65
20
Vigesimal
diejcb9
36
Base36
er2lb9
md5
09906581c10c2185c1cbe5878f4241b6
sha1
dd34e4cce3666a8b5e42fd2841d39d06127a8058
sha256
f9ff120ce4e41b63407605cd2dae88c603e12ad85229857c51d8738658d16986
sha512
9638f40c862c6b052f5e1ae03ec2536b802a6bc1ad9e59ca8faa4e317ca6c166444d6829fc2fed3952354559193b0f0a84da18eb1ab1bbcbad2ecd5b29b85b2c
ripemd-160
d37c3af5d2b29dd9e6a1ba0974902f34f82593d1
Diameter
1783994058
Circumference
5604582626.6606
Area
2.4996355258832E+18
Volume
2.9728899502275E+27
Surface area
9.9985421035326E+18
Circumference
5604582626.6606
Perimeter
3567988116
Area
795658699744826841
Diagonal
1261474296.0083
Surface area
4773952198468961046
Volume
7.0972519627039E+26
Space diagonal
1544984174.4285
Perimeter
2675991087
Area
3.4453032336056E+17
Altitude
772492087.21424
Surface area
3.4453032336056E+17
Volume
8.3641916510291E+25
Height
420491432.00277