68521539 is an odd 8-digits composite number following 68521538
and preceding 68521540 . In scientific notation, it is written as 6.8521539 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 45181920 positive integers (up to 68521539) that are relatively prime to 68521539.
68521539 has 16 divisors, whose sum is 92367360
The reverse of 68521539 is 93512586
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million five hundred twenty-one thousand five hundred thirty-nine
Scientific notation
6.8521539 × 10^7
Engineering notation
6.8521539 × 10^6
Prime Factorization
3 × 227 × 421 × 239
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68521539
Product of the distinct prime numbers
The prime factorization of 68521539 is 3 × 227 × 421 × 239.
Since it has a total of 4 prime factors.
10 , 6 , 48 , 78 , 402 , 242 , 4175 , 8020 , 17616 , 1321 , 351605 , 201174 , 9329360 , 2093807 , 14847857 , 84977862 , 104132275 , 62843922 , 8633232162 , 3512629774
n×2
137043078
n×3
205564617
n×4
274086156
n×5
342607695
n÷2
34260769.5
n÷3
22840513
n÷3
17130384.75
n÷5
13704307.8
n2
4695201306928521
n3
3.2172241946555E+23
n4
2.2044915312583E+31
n5
1.5105515243429E+39
2 √n
8277.7737949282
3 √n
409.20635486137
4 √n
90.982271871658
5 √n
36.911816803293
1 , 3 , 227 , 239 , 421 , 681 , 717 , 1263 , 54253 , 95567 , 100619 , 162759 , 286701 , 301857 , 22840513 , 68521539
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
-68521538
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 68521539 can be divided by 16 positive divisors.
The sum of these divisors (counting 68521539) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101011000111001000011
3
Ternary
11202221020212210
4
Quaternary
10011120321003
5
Quinary
120020142124
6
Senary
10444353203
8
Octal
405307103
10
Decimal
68521539
12
Duodecimal
1ab45803
16
Hexadecimal
4158e43
20
Vigesimal
11853gj
36
Base36
14snk3
md5
35ae95fb047d83efa5d4fc6d8604884c
sha1
2adaa3f02d35a82320f16752c8bfb19013d71ff6
sha256
5cdd8802abda5d4d312661fb9c81500f20ad37504f38d8cbab7982263de9fbbc
sha512
3488ec4fa47ef82f82a87199aa6ba76fb5f23fb98386437c63afe2221e65a934845604c366013e522043fd61c0e13065b4619523b56ed787219196f47afb793a
ripemd-160
8beb5a93a43142c4a192e7fa5a605cf3b70246dc
Diameter
137043078
Circumference
430533527.07013
Area
1.4750409932972E+16
Volume
1.3476277193175E+24
Surface area
5.9001639731887E+16
Circumference
430533527.07013
Perimeter
274086156
Area
4695201306928521
Diagonal
96904089.768477
Surface area
28171207841571126
Volume
3.2172241946555E+23
Space diagonal
118682786.96081
Perimeter
205564617
Area
2.033081803841E+15
Altitude
59341393.480406
Surface area
2.033081803841E+15
Volume
3.7915350743973E+22
Height
32301363.256159