64454985 is an odd 8-digits composite number following 64454984
and preceding 64454986 . In scientific notation, it is written as 6.4454985 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 29051136 positive integers (up to 64454985) that are relatively prime to 64454985.
64454985 has 16 divisors, whose sum is 76358528
The reverse of 64454985 is 58945446
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million four hundred fifty-four thousand nine hundred eighty-five
Scientific notation
6.4454985 × 10^7
Engineering notation
6.4454985 × 10^6
Prime Factorization
45 × 7 × 73 × 2803
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64454985
Product of the distinct prime numbers
The prime factorization of 64454985 is 45 × 7 × 73 × 2803.
Since it has a total of 4 prime factors.
10 , 8 , 90 , 71 , 964 , 959 , 4003 , 9885 , 19116 , 76702 , 334357 , 473827 , 788126 , 5038059 , 27550580 , 71255470 , 206825593 , 713037593 , 7430877918 , 5234866710
n×2
128909970
n×3
193364955
n×4
257819940
n×5
322274925
n÷2
32227492.5
n÷3
21484995
n÷3
16113746.25
n÷5
12890997
n2
4154445091350225
n3
2.677746960463E+23
n4
1.7259414017044E+31
n5
1.1124552715774E+39
2 √n
8028.3862014729
3 √n
400.94564802942
4 √n
89.601262276113
5 √n
36.462908055358
1 , 7 , 45 , 73 , 315 , 511 , 2803 , 3285 , 19621 , 22995 , 126135 , 204619 , 882945 , 1432333 , 9207855 , 64454985
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
-64454984
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 64454985 can be divided by 16 positive divisors.
The sum of these divisors (counting 64454985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110101111000000101001001
3
Ternary
11111021122121200
4
Quaternary
3311320011021
5
Quinary
113000024420
6
Senary
10221254413
8
Octal
365700511
10
Decimal
64454985
12
Duodecimal
19704409
16
Hexadecimal
3d78149
20
Vigesimal
102gh95
36
Base36
12dhs9
md5
b36e9f5f31d8e0531734077221f58d7a
sha1
1004d119d5471c1e29f257aa5da0f05f8b0b1577
sha256
43b1e42927c4cc2b0bcbe68aff580bac672009aec8861544f81c2ea377d5f549
sha512
c68b411659d640e3c8f865147519608df71ffd74a93f1ae7259092926017762ce636ae41b0e2380ab616140165fd17767e64a54f767aa58d874f23e0a544c090
ripemd-160
0a9b4c4fc9a1c518b6c7ae4565e1df2c00356220
Diameter
128909970
Circumference
404982614.72648
Area
1.3051574178728E+16
Volume
1.1216520238884E+24
Surface area
5.2206296714912E+16
Circumference
404982614.72648
Perimeter
257819940
Area
4154445091350225
Diagonal
91153113.949554
Surface area
24926670548101350
Volume
2.677746960463E+23
Space diagonal
111639308.82109
Perimeter
193364955
Area
1.7989274938684E+15
Altitude
55819654.410545
Surface area
1.7989274938684E+15
Volume
3.1557550567418E+22
Height
30384371.316518