27989871 is an odd 8-digits composite number following 27989870
and preceding 27989872 . In scientific notation, it is written as 2.7989871 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 13436928 positive integers (up to 27989871) that are relatively prime to 27989871.
27989871 has 32 divisors, whose sum is 35896320
The reverse of 27989871 is 17898972
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-seven million nine hundred eighty-nine thousand eight hundred seventy-one
Scientific notation
2.7989871 × 10^7
Engineering notation
2.7989871 × 10^6
Prime Factorization
39 × 7 × 17 × 37 × 163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27989871
Product of the distinct prime numbers
The prime factorization of 27989871 is 39 × 7 × 17 × 37 × 163.
Since it has a total of 5 prime factors.
3 , 8 , 47 , 99 , 8 , 528 , 3377 , 8616 , 86567 , 10675 , 218500 , 383697 , 4613367 , 68840 , 94840803 , 57967984 , 686800326 , 733898603 , 8765155592 , 5017504648
n×2
55979742
n×3
83969613
n×4
111959484
n×5
139949355
n÷2
13994935.5
n÷3
9329957
n÷3
6997467.75
n÷5
5597974.2
n2
783432878596641
n3
2.1928185209079E+22
n4
6.1376707526622E+29
n5
1.7179261260749E+37
2 √n
5290.545435019
3 √n
303.62227656936
4 √n
72.736135689346
5 √n
30.860302540684
1 , 7 , 17 , 37 , 39 , 119 , 163 , 259 , 273 , 629 , 663 , 1141 , 1443 , 2771 , 4403 , 4641 , 6031 , 6357 , 10101 , 19397 , 24531 , 42217 , 44499 , 102527 , 108069 , 171717 , 235209 , 717689 , 756483 , 1646463 , 3998553 , 27989871
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27989870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27989871 can be divided by 32 positive divisors.
The sum of these divisors (counting 27989871) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010110001011101101111
3
Ternary
1221200000212220
4
Quaternary
1222301131233
5
Quinary
24131133441
6
Senary
2435530423
8
Octal
152613557
10
Decimal
27989871
12
Duodecimal
9459a13
16
Hexadecimal
1ab176f
20
Vigesimal
8eiedb
36
Base36
gnx4f
md5
a87e80e3d6d41528ca3b853e31bff47d
sha1
f589fefafb979c5f32ef03b347afb2b580788aac
sha256
d86accc7267852fb2b0f28847136329f944d952bf5171db3fa77a153e703e5bb
sha512
15f744cdb08b9872a6181458b5c8890ca4f84bf5d97914d9835420e9ade752f63aaa0b3460aec1aef3ce91e29e64348eb913284575bf2a84e001e7c1ce59e69e
ripemd-160
12fc858bacdd1dd4af92be948b34501030613833
Diameter
55979742
Circumference
175865546.21705
Area
2.4612269759799E+15
Volume
9.185256741253E+22
Surface area
9.8449079039196E+15
Circumference
175865546.21705
Perimeter
111959484
Area
783432878596641
Diagonal
39583655.177273
Surface area
4700597271579846
Volume
2.1928185209079E+22
Space diagonal
48479878.669299
Perimeter
83969613
Area
3.3923638751233E+14
Altitude
24239939.334649
Surface area
3.3923638751233E+14
Volume
2.5842614100757E+21
Height
13194551.725758