64221605 is an odd 8-digits composite number following 64221604
and preceding 64221606 . In scientific notation, it is written as 6.4221605 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 44036496 positive integers (up to 64221605) that are relatively prime to 64221605.
64221605 has 16 divisors, whose sum is 89875200
The reverse of 64221605 is 50612246
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
sixty-four million two hundred twenty-one thousand six hundred five
Scientific notation
6.4221605 × 10^7
Engineering notation
6.4221605 × 10^6
Prime Factorization
5 × 7 × 7 × 7 × 37447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1310645
Product of the distinct prime numbers
The prime factorization of 64221605 is 5 × 7 × 7 × 7 × 37447.
Since it has a total of 5 prime factors.
8 , 7 , 30 , 60 , 62 , 289 , 5695 , 6205 , 35821 , 59690 , 79122 , 786578 , 7805430 , 1879129 , 29322091 , 26723783 , 403114916 , 239517036 , 1441536614 , 6114333085
n×2
128443210
n×3
192664815
n×4
256886420
n×5
321108025
n÷2
32110802.5
n÷3
21407201.666667
n÷3
16055401.25
n÷5
12844321
n2
4124414548776025
n3
2.6487652200775E+23
n4
1.7010795370155E+31
n5
1.0924605809979E+39
2 √n
8013.8383437651
3 √n
400.4611452417
4 √n
89.52004436865
5 √n
36.436464591947
1 , 5 , 7 , 35 , 49 , 245 , 343 , 1715 , 37447 , 187235 , 262129 , 1310645 , 1834903 , 9174515 , 12844321 , 64221605
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
-64221604
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 64221605 can be divided by 16 positive divisors.
The sum of these divisors (counting 64221605) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110100111111000110100101
3
Ternary
11110211210110222
4
Quaternary
3310333012211
5
Quinary
112420042410
6
Senary
10212254125
8
Octal
364770645
10
Decimal
64221605
12
Duodecimal
19611345
16
Hexadecimal
3d3f1a5
20
Vigesimal
1017e05
36
Base36
128hph
md5
8c53b5ded7c54d7fb163301c74c27feb
sha1
afa2664388e7e36ecda917e18ce3110603762382
sha256
492450d31e3514b4a9ab9df21d8004145654719768f7bb9e17cb8e67bbe6a527
sha512
655910c0fa018152c72623a143bd6f3ff877929dfb4564eae6083ccbde8e720416946dbdc757e9b9397189b04174406a46c8ebf71457ab8247bf2da928d59a08
ripemd-160
71d65581bc9a1b7ecbe2d0ceb8e86c69994de471
Diameter
128443210
Circumference
403516244.93949
Area
1.2957230446794E+16
Volume
1.1095121808639E+24
Surface area
5.1828921787174E+16
Circumference
403516244.93949
Perimeter
256886420
Area
4124414548776025
Diagonal
90823064.788368
Surface area
24746487292656150
Volume
2.6487652200775E+23
Space diagonal
111235082.80362
Perimeter
192664815
Area
1.7859238874891E+15
Altitude
55617541.40181
Surface area
1.7859238874891E+15
Volume
3.1215997481464E+22
Height
30274354.929456