91998857 is an odd 8-digits prime number following 91998856
and preceding 91998858 . In scientific notation, it is written as 9.1998857 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 91998856 positive integers (up to 91998857) that are relatively prime to 91998857.
91998857 has 2 divisors, whose sum is 91998858
The reverse of 91998857 is 75889919
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 56 Digital Root 2
Name
ninety-one million nine hundred ninety-eight thousand eight hundred fifty-seven
Scientific notation
9.1998857 × 10^7
Engineering notation
9.1998857 × 10^6
Prime Factorization
91998857
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
91998857 Product of the distinct prime numbers
The prime factorization of 91998857 is 91998857.
Since it has a total of 1 prime factors.
4 , 3 , 39 , 97 , 132 , 897 , 5470 , 2964 , 60726 , 15566 , 504748 , 743356 , 9050792 , 3166910 , 4537726 , 85245624 , 882724791 , 569850567 , 7213871211 , 6743879528
n×2
183997714
n×3
275996571
n×4
367995428
n×5
459994285
n÷2
45999428.5
n÷3
30666285.666667
n÷3
22999714.25
n÷5
18399771.4
n2
8463789689306449
n3
7.7865897730458E+23
n4
7.163573590481E+31
n5
6.5904058235964E+39
2 √n9591.6034634466
3 √n451.43387400685
4 √n97.936731941834
5 √n39.152228472331
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
91998858 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
45999429 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
9591.6035155755 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999782606 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91998857 can be divided by 2 positive divisors.
The sum of these divisors (counting 91998857) is 91998858, the average is 45999429.
Base
System
Value
2
Binary
101011110111100101010001001
3
Ternary
20102010000201002
4
Quaternary
11132330222021
5
Quinary
142022430412
6
Senary
13043504345
8
Octal
536745211
10
Decimal
91998857
12
Duodecimal
269880b5
16
Hexadecimal
57bca89
20
Vigesimal
18ejh2h
36
Base36
1irurt
md5
d32e7204ae1f42fa64e3886a1cd45a03
sha1
b089dd2e8d3b9b0e211db5405cc9eb6a5282d957
sha256
fb4e77162c0cd78a270fedfb89899927bc0ff62ee4cdd1d93995cfebe990239b
sha512
33a1f4454399fb4c23ba2b0a53d2f2ac253c88f5a8c52bef0cb17b45cd3af4dd29337d42166ff0aad8fa742d6a4bef72cf855895bc91fd1a62790bd868e2874f
ripemd-160
078a7ee44bcfa0bbe9a444162bcb48069886aa36
Diameter
183997714
Circumference
578045866.57972
Area
2.6589779509454E+16
Volume
3.2616390970024E+24
Surface area
1.0635911803782E+17
Circumference
578045866.57972
Perimeter
367995428
Area
8463789689306449
Diagonal
130106031.29222
Surface area
50782738135838694
Volume
7.7865897730458E+23
Space diagonal
159346694.56226
Perimeter
275996571
Area
3.6649284416141E+15
Altitude
79673347.281132
Surface area
3.6649284416141E+15
Volume
9.1765840513975E+22
Height
43368677.097408