87888921 is an odd 8-digits composite number following 87888920
and preceding 87888922 . In scientific notation, it is written as 8.7888921 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 58563312 positive integers (up to 87888921) that are relatively prime to 87888921.
87888921 has 8 divisors, whose sum is 117243840
The reverse of 87888921 is 12988878
Previous prime number is 12263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
8.7888921 × 10^7
Engineering notation
8.7888921 × 10^6
Prime Factorization
3 × 12263 × 2389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87888921
Product of the distinct prime numbers
The prime factorization of 87888921 is 3 × 12263 × 2389.
Since it has a total of 3 prime factors.
4 , 3 , 17 , 3 , 506 , 502 , 2074 , 426 , 67540 , 69250 , 40532 , 881286 , 1350687 , 7860681 , 6808279 , 96951607 , 953912288 , 478480607 , 8575570869 , 8526876872
n×2
175777842
n×3
263666763
n×4
351555684
n×5
439444605
n÷2
43944460.5
n÷3
29296307
n÷3
21972230.25
n÷5
17577784.2
n2
7724462434544241
n3
6.7889466867713E+23
n4
5.9667319902685E+31
n5
5.2440963652088E+39
2 √n
9374.9091195595
3 √n
444.60878970523
4 √n
96.824114349471
5 √n
38.795988912877
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
-87888920
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 87888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 87888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001111010001010000011001
3
Ternary
20010101012221020
4
Quaternary
11033101100121
5
Quinary
134444421141
6
Senary
12415433053
8
Octal
517212031
10
Decimal
87888921
12
Duodecimal
25525789
16
Hexadecimal
53d1419
20
Vigesimal
1796261
36
Base36
1gbrix
md5
cb50061a4841f6b2753333b7a62a771f
sha1
226a0681623e075b6cd3adbc2072d7babcdd2799
sha256
2854cb7f9c3b64c204f74b8c45617ac9fe10e3ed80c68c4b1d703edf2b310bdd
sha512
4c68ff7604345a35808cd468b04cb97c2e5b13175f8209655ba59107e238af0b56c9129f76984ca5c471535b27d3d16cd5b27ca1397c5f8be9705aae46753f61
ripemd-160
b6160368cae6cea193caec0e777a2d903bd2854f
Diameter
175777842
Circumference
552222377.09107
Area
2.4267114437295E+16
Volume
2.8437473382364E+24
Surface area
9.7068457749178E+16
Circumference
552222377.09107
Perimeter
351555684
Area
7724462434544241
Diagonal
124293704.06054
Surface area
46346774607265446
Volume
6.7889466867713E+23
Space diagonal
152228076.59441
Perimeter
263666763
Area
3.344790349447E+15
Altitude
76114038.297204
Surface area
3.344790349447E+15
Volume
8.0008503988832E+22
Height
41431234.686846