87820421 is an odd 8-digits composite number following 87820420
and preceding 87820422 . In scientific notation, it is written as 8.7820421 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 81064992 positive integers (up to 87820421) that are relatively prime to 87820421.
87820421 has 4 divisors, whose sum is 94575852
The reverse of 87820421 is 12402878
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-seven million eight hundred twenty thousand four hundred twenty-one
Scientific notation
8.7820421 × 10^7
Engineering notation
8.7820421 × 10^6
Prime Factorization
13 × 6755417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87820421
Product of the distinct prime numbers
The prime factorization of 87820421 is 13 × 6755417.
Since it has a total of 2 prime factors.
5 , 2 , 43 , 88 , 829 , 294 , 7799 , 5321 , 23585 , 65685 , 717745 , 32495 , 7136511 , 1318735 , 46327563 , 6346342 , 595191924 , 29054357 , 8778183252 , 3412314106
n×2
175640842
n×3
263461263
n×4
351281684
n×5
439102105
n÷2
43910210.5
n÷3
29273473.666667
n÷3
21955105.25
n÷5
17564084.2
n2
7712426344617241
n3
6.7730852851578E+23
n4
5.9481520121146E+31
n5
5.223692138759E+39
2 √n
9371.2550386808
3 √n
444.49325137384
4 √n
96.805242826413
5 √n
38.789939563083
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87820420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87820421 can be divided by 4 positive divisors.
The sum of these divisors (counting 87820421) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001111000000100010000101
3
Ternary
20010020201222012
4
Quaternary
11033000202011
5
Quinary
134440223141
6
Senary
12414144005
8
Octal
517004205
10
Decimal
87820421
12
Duodecimal
254b2005
16
Hexadecimal
53c0885
20
Vigesimal
178hb11
36
Base36
1gaao5
md5
60087061bf87f6b9bd17bb2818582152
sha1
4c896d89985758386761e9c5f703f8079d95dfd7
sha256
4dadc843c0ec0654846e81b030eeff10d4a571f7f583210c4a17234f5902e483
sha512
5c47c523f0dc767f9d46b8008df996b5770f322030cb5150354a2ec12e3d46e78677f1b2afc6428df1e1e861cd59600d0ca86a17f12aecea30b0c8f0264b7497
ripemd-160
2bc73eeb773eb7e9b9d2296b6b9b4120fd9a83f8
Diameter
175640842
Circumference
551791978.89753
Area
2.4229301945602E+16
Volume
2.8371033298652E+24
Surface area
9.6917207782408E+16
Circumference
551791978.89753
Perimeter
351281684
Area
7712426344617241
Diagonal
124196830.43151
Surface area
46274558067703446
Volume
6.7730852851578E+23
Space diagonal
152109431.11409
Perimeter
263461263
Area
3.3395785696274E+15
Altitude
76054715.557044
Surface area
3.3395785696274E+15
Volume
7.9821575578165E+22
Height
41398943.477172