27991907 is an odd 8-digits prime number following 27991906
and preceding 27991908 . In scientific notation, it is written as 2.7991907 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 27991906 positive integers (up to 27991907) that are relatively prime to 27991907.
27991907 has 2 divisors, whose sum is 27991908
The reverse of 27991907 is 70919972
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-seven million nine hundred ninety-one thousand nine hundred seven
Scientific notation
2.7991907 × 10^7
Engineering notation
2.7991907 × 10^6
Prime Factorization
27991907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
27991907
Product of the distinct prime numbers
The prime factorization of 27991907 is 27991907.
Since it has a total of 1 prime factors.
2 , 4 , 91 , 55 , 714 , 540 , 4738 , 766 , 48226 , 85550 , 191108 , 476041 , 8596919 , 8441303 , 40405611 , 83006263 , 508329733 , 148642780 , 7905612382 , 5825904442
n×2
55983814
n×3
83975721
n×4
111967628
n×5
139959535
n÷2
13995953.5
n÷3
9330635.6666667
n÷3
6997976.75
n÷5
5598381.4
n2
783546857496649
n3
2.1932970765188E+22
n4
6.1394567789287E+29
n5
1.7185510318629E+37
2 √n
5290.7378502436
3 √n
303.62963827968
4 √n
72.737458370798
5 √n
30.860751487004
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
27991908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
13995954
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5290.7379447484
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999285508
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27991907 can be divided by 2 positive divisors.
The sum of these divisors (counting 27991907) is 27991908, the average is 13995954.
Base
System
Value
2
Binary
1101010110001111101100011
3
Ternary
1221200010200022
4
Quaternary
1222301331203
5
Quinary
24131220112
6
Senary
2435544055
8
Octal
152617543
10
Decimal
27991907
12
Duodecimal
945b02b
16
Hexadecimal
1ab1f63
20
Vigesimal
8eijf7
36
Base36
gnyoz
md5
1e93f97ee21c2cd32f0390d3126db284
sha1
36484629eb39c2907b8619aa158a3a3e1c10b4c9
sha256
37039127fe35d56e40a6e98599582e2428bc108c8159a09cc91d4252529f6bc1
sha512
df8e4482d4db9757b7454c3519be8569f2aa4c6d7fc9455bcd4150b8979893ef1a081872ffabf27588e6a2af711539060368f4f7f63fd5d08e593c3fd7ea0829
ripemd-160
405bdd30fc7a0f90f3f125fc0f4d81d9f14400ad
Diameter
55983814
Circumference
175878338.78234
Area
2.4615850512548E+15
Volume
9.1872613103088E+22
Surface area
9.8463402050194E+15
Circumference
175878338.78234
Perimeter
111967628
Area
783546857496649
Diagonal
39586534.516086
Surface area
4701281144979894
Volume
2.1932970765188E+22
Space diagonal
48483405.124743
Perimeter
83975721
Area
3.3928574182378E+14
Altitude
24241702.562371
Surface area
3.3928574182378E+14
Volume
2.5848253932718E+21
Height
13195511.505362