66887512 is an even 8-digits composite number following 66887511
and preceding 66887513 . In scientific notation, it is written as 6.6887512 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 33292896 positive integers (up to 66887512) that are relatively prime to 66887512.
66887512 has 16 divisors, whose sum is 125979840
The reverse of 66887512 is 21578866
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million eight hundred eighty-seven thousand five hundred twelve
Scientific notation
6.6887512 × 10^7
Engineering notation
6.6887512 × 10^6
Prime Factorization
2 × 2 × 2 × 223 × 37493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16721878
Product of the distinct prime numbers
The prime factorization of 66887512 is 2 × 2 × 2 × 223 × 37493.
Since it has a total of 5 prime factors.
5 , 4 , 52 , 71 , 985 , 481 , 7373 , 1623 , 90620 , 48316 , 89421 , 399496 , 895195 , 1443358 , 50849311 , 34381702 , 932905877 , 372200050 , 1797709016 , 7225576186
n×2
133775024
n×3
200662536
n×4
267550048
n×5
334437560
n÷2
33443756
n÷3
22295837.333333
n÷3
16721878
n÷5
13377502.4
n2
4473939261550144
n3
2.9925066604421E+23
n4
2.001613251604E+31
n5
1.3388293038602E+39
2 √n
8178.4785871212
3 √n
405.9273815132
4 √n
90.434941184927
5 √n
36.734066543523
1 , 2 , 4 , 8 , 223 , 446 , 892 , 1784 , 37493 , 74986 , 149972 , 299944 , 8360939 , 16721878 , 33443756 , 66887512
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
-66887511
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 66887512 can be divided by 16 positive divisors.
The sum of these divisors (counting 66887512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001001111101011000
3
Ternary
11122212020102021
4
Quaternary
3333021331120
5
Quinary
114110400022
6
Senary
10345344224
8
Octal
377117530
10
Decimal
66887512
12
Duodecimal
1a498074
16
Hexadecimal
3fc9f58
20
Vigesimal
10i0ifc
36
Base36
13tmqg
md5
7cf2cca0f3c4dfad1191f19946a9e5b3
sha1
8c7f8d8101e541864156891e095f7ece2ea7a5af
sha256
5c3675f96df7f8c8bd2fa5a81b4af2780c4b0fb83e698280902ba8d0d7435fdb
sha512
baf3a97bd560bc3a4f2ea5a69df09e3d6288e128894d11175dbd56d4d0fffbdc1354b9649012c7c6231fee841b89c4fdecf3b7a2604ef5683250f081bf2d4791
ripemd-160
5cee6cd4576b18e727057cf97f5a738310d15080
Diameter
133775024
Circumference
420266632.6322
Area
1.4055294716693E+16
Volume
1.2534982587018E+24
Surface area
5.6221178866772E+16
Circumference
420266632.6322
Perimeter
267550048
Area
4473939261550144
Diagonal
94593226.623793
Surface area
26843635569300864
Volume
2.9925066604421E+23
Space diagonal
115852569.17587
Perimeter
200662536
Area
1.9372725277455E+15
Altitude
57926284.587936
Surface area
1.9372725277455E+15
Volume
3.5267029205742E+22
Height
31531075.541264