27993931 is an odd 8-digits composite number following 27993930
and preceding 27993932 . In scientific notation, it is written as 2.7993931 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 23970408 positive integers (up to 27993931) that are relatively prime to 27993931.
27993931 has 8 divisors, whose sum is 32025600
The reverse of 27993931 is 13939972
Previous prime number is 2399
Is Prime? no Number parity odd Number length 8 Sum of Digits 43 Digital Root 7
Name
twenty-seven million nine hundred ninety-three thousand nine hundred thirty-one
Scientific notation
2.7993931 × 10^7
Engineering notation
2.7993931 × 10^6
Prime Factorization
7 × 2399 × 1667
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
27993931 Product of the distinct prime numbers
The prime factorization of 27993931 is 7 × 2399 × 1667.
Since it has a total of 3 prime factors.
7 , 8 , 2 , 79 , 554 , 36 , 3943 , 8423 , 4826 , 25337 , 934592 , 491918 , 5042734 , 3262444 , 61613844 , 28325543 , 197876850 , 617978991 , 4476263001 , 8406443273
n×2
55987862
n×3
83981793
n×4
111975724
n×5
139969655
n÷2
13996965.5
n÷3
9331310.3333333
n÷3
6998482.75
n÷5
5598786.2
n2
783660172832761
n3
2.1937728805728E+22
n4
6.1412326648427E+29
n5
1.7191724347455E+37
2 √n5290.9291244544
3 √n303.63695624694
4 √n72.738773184969
5 √n30.861197761383
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-27993930 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27993931 can be divided by 8 positive divisors.
The sum of these divisors (counting 27993931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110010011101001011
3
Ternary
1221200020110021
4
Quaternary
1222302131023
5
Quinary
24131301211
6
Senary
2440001311
8
Octal
152623513
10
Decimal
27993931
12
Duodecimal
9460237
16
Hexadecimal
1ab274b
20
Vigesimal
8ej4gb
36
Base36
go097
md5
20899e79a54ff06e765caf31f48ab6fd
sha1
d769625ef602f44e333db4c1775d36a23f1d853d
sha256
12f7958c1af7339ff0666f84725fd5ec60e1b342ba67a23f1cf899b71bf4103d
sha512
d80740c595c788a6cb5aa20028f5710d013162172d39cd0c652c374338298c6eb5d175bb23d67738e9090eb034e90fdbbb06485fc2bd5c0bd606e9f3eed74a25
ripemd-160
fc54212e43cf8f56a0c300d062814714aba9aea3
Diameter
55987862
Circumference
175891055.9494
Area
2.4619410418823E+15
Volume
9.1892543536695E+22
Surface area
9.8477641675292E+15
Circumference
175891055.9494
Perimeter
111975724
Area
783660172832761
Diagonal
39589396.884337
Surface area
4701961036996566
Volume
2.1937728805728E+22
Space diagonal
48486910.795577
Perimeter
83981793
Area
3.3933480880364E+14
Altitude
24243455.397789
Surface area
3.3933480880364E+14
Volume
2.585386133727E+21
Height
13196465.628112