87841281 is an odd 8-digits composite number following 87841280
and preceding 87841282 . In scientific notation, it is written as 8.7841281 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 52351200 positive integers (up to 87841281) that are relatively prime to 87841281.
87841281 has 12 divisors, whose sum is 97104896
The reverse of 87841281 is 18214878
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million eight hundred forty-one thousand two hundred eighty-one
Scientific notation
8.7841281 × 10^7
Engineering notation
8.7841281 × 10^6
Prime Factorization
183 × 11 × 11 × 3967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7985571
Product of the distinct prime numbers
The prime factorization of 87841281 is 183 × 11 × 11 × 3967.
Since it has a total of 4 prime factors.
1 , 1 , 82 , 36 , 498 , 901 , 9845 , 2585 , 98359 , 30375 , 979314 , 90107 , 4097558 , 4794439 , 61770671 , 72251221 , 189617321 , 851328549 , 7182430261 , 4176824404
n×2
175682562
n×3
263523843
n×4
351365124
n×5
439206405
n÷2
43920640.5
n÷3
29280427
n÷3
21960320.25
n÷5
17568256.2
n2
7716090647720961
n3
6.7779128680793E+23
n4
5.9538054883847E+31
n5
5.2298990092454E+39
2 √n
9372.3679505235
3 √n
444.52844210768
4 √n
96.810990856015
5 √n
38.791782144253
1 , 11 , 121 , 183 , 2013 , 3967 , 22143 , 43637 , 480007 , 725961 , 7985571 , 87841281
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87841280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87841281 can be divided by 12 positive divisors.
The sum of these divisors (counting 87841281) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001111000101101000000001
3
Ternary
20010021210120210
4
Quaternary
11033011220001
5
Quinary
134441410111
6
Senary
12414424333
8
Octal
517055001
10
Decimal
87841281
12
Duodecimal
255020a9
16
Hexadecimal
53c5a01
20
Vigesimal
1790341
36
Base36
1gaqrl
md5
a5c42d18bf3ba4cbcfd068287bfbe6c8
sha1
41df18e7b9b8667242975d0eb11c37e5d1849221
sha256
305a94917df08b3843deea72d40bdc9bab126d4aabac2c8bf636dd5af957ed02
sha512
bda16f773c45ccca78cc1757095a60f7ef76806d088fda0d0fb22860b5602f961131ce101525fc88aeabfe9ba113b0a1a0217e981e52f7f7e80530ea37753b96
ripemd-160
8945591e6f725311bafc5f7df5263a7064df443a
Diameter
175682562
Circumference
551923046.14303
Area
2.4240813693313E+16
Volume
2.8391255030706E+24
Surface area
9.6963254773252E+16
Circumference
551923046.14303
Perimeter
351365124
Area
7716090647720961
Diagonal
124226330.92643
Surface area
46296543886325766
Volume
6.7779128680793E+23
Space diagonal
152145561.69393
Perimeter
263523843
Area
3.3411652594149E+15
Altitude
76072780.846967
Surface area
3.3411652594149E+15
Volume
7.9878469188507E+22
Height
41408776.975475