84911891 is an odd 8-digits composite number following 84911890
and preceding 84911892 . In scientific notation, it is written as 8.4911891 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 84833112 positive integers (up to 84911891) that are relatively prime to 84911891.
84911891 has 4 divisors, whose sum is 84990672
The reverse of 84911891 is 19811948
Previous prime number is 1093
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-four million nine hundred eleven thousand eight hundred ninety-one
Scientific notation
8.4911891 × 10^7
Engineering notation
8.4911891 × 10^6
Prime Factorization
1093 × 77687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
84911891
Product of the distinct prime numbers
The prime factorization of 84911891 is 1093 × 77687.
Since it has a total of 2 prime factors.
7 , 3 , 33 , 2 , 728 , 143 , 1012 , 356 , 99888 , 65414 , 46050 , 693105 , 9204177 , 920778 , 74630791 , 15333268 , 690555291 , 908042586 , 505361596 , 2976445633
n×2
169823782
n×3
254735673
n×4
339647564
n×5
424559455
n÷2
42455945.5
n÷3
28303963.666667
n÷3
21227972.75
n÷5
16982378.2
n2
7210029233195881
n3
6.1221721635594E+23
n4
5.1984521543539E+31
n5
4.4141040269922E+39
2 √n
9214.7648369343
3 √n
439.53099301998
4 √n
95.99356664347
5 √n
38.52952922158
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
-84911890
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 84911891 can be divided by 4 positive divisors.
The sum of these divisors (counting 84911891) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000011111010011100010011
3
Ternary
12220202222012212
4
Quaternary
11003322130103
5
Quinary
133214140031
6
Senary
12231542335
8
Octal
503723423
10
Decimal
84911891
12
Duodecimal
2452a9ab
16
Hexadecimal
50fa713
20
Vigesimal
16adjeb
36
Base36
1ejyfn
md5
171378280341abdfe5d93186a8330a01
sha1
e33da0bbc4339e104c6b8b6dd2c2525167e01666
sha256
044329277367e9e8a2bd40752fc3d18b3cb52cd77a8ed11472f8f423a5a7559c
sha512
e2e6dfe26f0fc9481e90507e48f15fcfea8e6c369e594006736994ad2d99754604f087569dc4b0722708bc03c413ea2239ccd105285e4974c519d2e546aa0a7d
ripemd-160
2a6d7812db1ef6fe15abf3ba3b4a70d02beb2894
Diameter
169823782
Circumference
533517145.93603
Area
2.2650974871176E+16
Volume
2.5644494790734E+24
Surface area
9.0603899484703E+16
Circumference
533517145.93603
Perimeter
339647564
Area
7210029233195881
Diagonal
120083547.85895
Surface area
43260175399175286
Volume
6.1221721635594E+23
Space diagonal
147071709.37875
Perimeter
254735673
Area
3.122034238988E+15
Altitude
73535854.689375
Surface area
3.122034238988E+15
Volume
7.2150490874073E+22
Height
40027849.286315