87381609 is an odd 8-digits composite number following 87381608
and preceding 87381610 . In scientific notation, it is written as 8.7381609 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 49834512 positive integers (up to 87381609) that are relatively prime to 87381609.
87381609 has 16 divisors, whose sum is 133413888
The reverse of 87381609 is 90618378
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-seven million three hundred eighty-one thousand six hundred nine
Scientific notation
8.7381609 × 10^7
Engineering notation
8.7381609 × 10^6
Prime Factorization
7 × 3 × 547 × 7607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87381609
Product of the distinct prime numbers
The prime factorization of 87381609 is 7 × 3 × 547 × 7607.
Since it has a total of 4 prime factors.
2 , 7 , 19 , 82 , 302 , 890 , 1469 , 1806 , 28748 , 95203 , 539351 , 204169 , 2753479 , 8552007 , 57652217 , 38120842 , 588954678 , 763112423 , 7496085826 , 9624635703
n×2
174763218
n×3
262144827
n×4
349526436
n×5
436908045
n÷2
43690804.5
n÷3
29127203
n÷3
21845402.25
n÷5
17476321.8
n2
7635545591428881
n3
6.6720625937191E+23
n4
5.8301556478789E+31
n5
5.094483812321E+39
2 √n
9347.8130597483
3 √n
443.75168222598
4 √n
96.684088968911
5 √n
38.751097540674
1 , 3 , 7 , 21 , 547 , 1641 , 3829 , 7607 , 11487 , 22821 , 53249 , 159747 , 4161029 , 12483087 , 29127203 , 87381609
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
-87381608
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 87381609 can be divided by 16 positive divisors.
The sum of these divisors (counting 87381609) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001101010101011001101001
3
Ternary
20002102110000220
4
Quaternary
11031111121221
5
Quinary
134332202414
6
Senary
12400520253
8
Octal
515253151
10
Decimal
87381609
12
Duodecimal
25320089
16
Hexadecimal
5355669
20
Vigesimal
1762e09
36
Base36
1g0w2x
md5
c6ee2699b8f4385db096eda89cacaa9d
sha1
5d7a41d4f085d5430fb6db636ba72999dd09cb92
sha256
e441d2c0dcd0fdc4b38cddfa5b4a9e082d552cd55096ba3bc752aa8cd226a63c
sha512
784bc7b671d261d76f13b22f17ca2d08762744330b5c8f47f8989f2f626720b94cf26d151f71e3db808630227e5a0d0822c50b07b251ed73faf5dc51d4391128
ripemd-160
924e097cd16583a9cdd0d580ca6bc43f3d70f318
Diameter
174763218
Circumference
549034841.78651
Area
2.3987773936183E+16
Volume
2.7947870438292E+24
Surface area
9.5951095744732E+16
Circumference
549034841.78651
Perimeter
349526436
Area
7635545591428881
Diagonal
123576256.54978
Surface area
45813273548573286
Volume
6.6720625937191E+23
Space diagonal
151349386.43512
Perimeter
262144827
Area
3.3062882269658E+15
Altitude
75674693.217559
Surface area
3.3062882269658E+15
Volume
7.8631011741998E+22
Height
41192085.516594