87489969 is an odd 8-digits composite number following 87489968
and preceding 87489970 . In scientific notation, it is written as 8.7489969 × 10^7.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 49656960 positive integers (up to 87489969) that are relatively prime to 87489969.
87489969 has 16 divisors, whose sum is 134217600
The reverse of 87489969 is 96998478
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
eighty-seven million four hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
8.7489969 × 10^7
Engineering notation
8.7489969 × 10^6
Prime Factorization
7 × 3 × 149 × 27961
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87489969
Product of the distinct prime numbers
The prime factorization of 87489969 is 7 × 3 × 149 × 27961.
Since it has a total of 4 prime factors.
7 , 6 , 51 , 7 , 811 , 970 , 9145 , 3209 , 17994 , 66104 , 407578 , 316022 , 9032641 , 1428927 , 52317795 , 63683729 , 154660914 , 600075508 , 9652681260 , 7044270886
n×2
174979938
n×3
262469907
n×4
349959876
n×5
437449845
n÷2
43744984.5
n÷3
29163323
n÷3
21872492.25
n÷5
17497993.8
n2
7654494675620961
n3
6.6969150188074E+23
n4
5.859128873911E+31
n5
5.1261500354548E+39
2 √n
9353.6072720635
3 √n
443.93503533718
4 √n
96.714048990121
5 √n
38.760703652662
1 , 3 , 7 , 21 , 149 , 447 , 1043 , 3129 , 27961 , 83883 , 195727 , 587181 , 4166189 , 12498567 , 29163323 , 87489969
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87489968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87489969 can be divided by 16 positive divisors.
The sum of these divisors (counting 87489969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101101111110110110001
3
Ternary
20002121221200020
4
Quaternary
11031233312301
5
Quinary
134344134334
6
Senary
12403114053
8
Octal
515576661
10
Decimal
87489969
12
Duodecimal
25372929
16
Hexadecimal
536fdb1
20
Vigesimal
176g4i9
36
Base36
1g37ox
md5
10d11f63b0036c0b9521de70a7609038
sha1
fc1ba697595e036b7a4850056fc2d310e06a1072
sha256
93b404dbf2bbb524eabddb5f293339c693fd88facd0a1a4cfebac0274309eb2a
sha512
a5b9c17dff3663ec719012428cdeecda9803aa1f646e4ce05ba4956f047c232104c9c0737c3d10a1096cd923d07fec8417fd10fc4fdd581673ba0b8fec9ead29
ripemd-160
dfd11299f4bacf40894163f02d47ee52c4800a90
Diameter
174979938
Circumference
549715687.7464
Area
2.4047304239873E+16
Volume
2.8051972033067E+24
Surface area
9.6189216959492E+16
Circumference
549715687.7464
Perimeter
349959876
Area
7654494675620961
Diagonal
123729500.7314
Surface area
45926968053725766
Volume
6.6969150188074E+23
Space diagonal
151537071.46063
Perimeter
262469907
Area
3.3144934211102E+15
Altitude
75768535.730313
Surface area
3.3144934211102E+15
Volume
7.8923900380479E+22
Height
41243166.910467