66400520 is an even 8-digits composite number following 66400519
and preceding 66400521 . In scientific notation, it is written as 6.6400520 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors.
There are 26058240 positive integers (up to 66400520) that are relatively prime to 66400520.
66400520 has 32 divisors, whose sum is 152224920
The reverse of 66400520 is 02500466
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
sixty-six million four hundred thousand five hundred twenty
Scientific notation
6.6400520 × 10^7
Engineering notation
6.6400520 × 10^6
Prime Factorization
2 × 2 × 2 × 53 × 5 × 31321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16600130
Product of the distinct prime numbers
The prime factorization of 66400520 is 2 × 2 × 2 × 53 × 5 × 31321.
Since it has a total of 6 prime factors.
8 , 5 , 18 , 21 , 774 , 305 , 3886 , 8598 , 5689 , 91817 , 871118 , 87680 , 1422803 , 1483974 , 15782182 , 92025662 , 405685920 , 549073701 , 1124628212 , 5732674671
n×2
132801040
n×3
199201560
n×4
265602080
n×5
332002600
n÷2
33200260
n÷3
22133506.666667
n÷3
16600130
n÷5
13280104
n2
4409029056270400
n3
2.9276182203146E+23
n4
1.9439537219037E+31
n5
1.2907953799034E+39
2 √n
8148.651422168
3 √n
404.93982746741
4 √n
90.269881035526
5 √n
36.680419686158
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 53 , 106 , 212 , 265 , 424 , 530 , 1060 , 2120 , 31321 , 62642 , 125284 , 156605 , 250568 , 313210 , 626420 , 1252840 , 1660013 , 3320026 , 6640052 , 8300065 , 13280104 , 16600130 , 33200260 , 66400520
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66400519
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66400520 can be divided by 32 positive divisors.
The sum of these divisors (counting 66400520) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111101010011000100001000
3
Ternary
11121221111101112
4
Quaternary
3331103010020
5
Quinary
113444304040
6
Senary
10331105452
8
Octal
375230410
10
Decimal
66400520
12
Duodecimal
1a2a2288
16
Hexadecimal
3f53108
20
Vigesimal
10f0160
36
Base36
13j6yw
md5
432265dd7798ded62f669cc1038a036e
sha1
fa555800e5575d703e0c7416095011040e2c8597
sha256
abe1b46b456e016db4788932c46a6233da7f4ed29c7711c85baf7b6303363167
sha512
92b4c1326d1cb0da2113b8027f5ef6049d89476bb8ea98901fb116e7ac80e6b09670930bbcdfb237f543deb6e3f063cd031277c381c5d5e322b9fb8984881748
ripemd-160
7efbc71985f30bd503ac15f76614a1b0421b2920
Diameter
132801040
Circumference
417206771.65308
Area
1.3851373292643E+16
Volume
1.2263178524608E+24
Surface area
5.5405493170572E+16
Circumference
417206771.65308
Perimeter
265602080
Area
4409029056270400
Diagonal
93904515.932626
Surface area
26454174337622400
Volume
2.9276182203146E+23
Space diagonal
115009074.28899
Perimeter
199201560
Area
1.9091655843769E+15
Altitude
57504537.144497
Surface area
1.9091655843769E+15
Volume
3.4502311605163E+22
Height
31301505.310875