64689968 is an even 8-digits composite number following 64689967
and preceding 64689969 . In scientific notation, it is written as 6.4689968 × 10^7.
The sum of its digits is 56. It has a total of 6 prime factors and 20 positive divisors.
There are 27724224 positive integers (up to 64689968) that are relatively prime to 64689968.
64689968 has 20 divisors, whose sum is 143242320
The reverse of 64689968 is 86998646
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-four million six hundred eighty-nine thousand nine hundred sixty-eight
Scientific notation
6.4689968 × 10^7
Engineering notation
6.4689968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 577589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8086246
Product of the distinct prime numbers
The prime factorization of 64689968 is 2 × 2 × 2 × 2 × 7 × 577589.
Since it has a total of 6 prime factors.
8 , 10 , 8 , 22 , 717 , 468 , 7413 , 6061 , 91427 , 5494 , 997596 , 14245 , 6623707 , 5372169 , 94297279 , 84367295 , 818280397 , 961903950 , 3090177500 , 7169286490
n×2
129379936
n×3
194069904
n×4
258759872
n×5
323449840
n÷2
32344984
n÷3
21563322.666667
n÷3
16172492
n÷5
12937993.6
n2
4184791959841024
n3
2.7071405796877E+23
n4
1.751248374715E+31
n5
1.1328820132037E+39
2 √n
8043.0073977338
3 √n
401.43229851423
4 √n
89.682815509627
5 √n
36.489455873288
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 577589 , 1155178 , 2310356 , 4043123 , 4620712 , 8086246 , 9241424 , 16172492 , 32344984 , 64689968
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64689967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64689968 can be divided by 20 positive divisors.
The sum of these divisors (counting 64689968) is 1, the average is 0.05.
Base
System
Value
2
Binary
11110110110001011100110000
3
Ternary
11111201120221202
4
Quaternary
3312301130300
5
Quinary
113030034333
6
Senary
10230310332
8
Octal
366613460
10
Decimal
64689968
12
Duodecimal
197b83a8
16
Hexadecimal
3db1730
20
Vigesimal
10464i8
36
Base36
12ij3k
md5
53582a059a83e02d4c9fc36826a2dd4b
sha1
42d7885b91c04705c5ba29292c945310bf75f488
sha256
81a70fa3472f2495bafee77a0ed4ae98a4535b848850e523b9d7f7cb8afb0b35
sha512
777a4bd6b119497aa75ace6d067cba40dc64366438cf6ef56124650c8cd00c7bdded12684043bd786369a9641ad18cca027cbc26bc7368d3761804eb6a95b03a
ripemd-160
eda1a72c944d5e808f0006da3883127e2e8f31df
Diameter
129379936
Circumference
406459056.45952
Area
1.3146911677838E+16
Volume
1.1339643943176E+24
Surface area
5.2587646711353E+16
Circumference
406459056.45952
Perimeter
258759872
Area
4184791959841024
Diagonal
91485430.095082
Surface area
25108751759046144
Volume
2.7071405796877E+23
Space diagonal
112046311.316
Perimeter
194069904
Area
1.8120680733876E+15
Altitude
56023155.658002
Surface area
1.8120680733876E+15
Volume
3.1903957692041E+22
Height
30495143.365027