68945900 is an even 8-digits composite number following 68945899
and preceding 68945901 . In scientific notation, it is written as 6.8945900 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 18 positive divisors.
There are 27578320 positive integers (up to 68945900) that are relatively prime to 68945900.
68945900 has 18 divisors, whose sum is 149612820
The reverse of 68945900 is 00954986
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million nine hundred forty-five thousand nine hundred
Scientific notation
6.8945900 × 10^7
Engineering notation
6.8945900 × 10^6
Prime Factorization
2 × 2 × 5 × 5 × 689459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6894590
Product of the distinct prime numbers
The prime factorization of 68945900 is 2 × 2 × 5 × 5 × 689459.
Since it has a total of 5 prime factors.
1 , 5 , 73 , 46 , 41 , 613 , 4734 , 5907 , 34745 , 6619 , 738979 , 289896 , 8816843 , 4893611 , 61655432 , 61921342 , 372374938 , 756710060 , 6671679347 , 202298486
n×2
137891800
n×3
206837700
n×4
275783600
n×5
344729500
n÷2
34472950
n÷3
22981966.666667
n÷3
17236475
n÷5
13789180
n2
4753537126810000
n3
3.2773689539133E+23
n4
2.2596115215961E+31
n5
1.5579095000681E+39
2 √n
8303.3667870328
3 √n
410.04936942683
4 √n
91.122811562379
5 √n
36.957423705687
1 , 2 , 4 , 5 , 10 , 20 , 25 , 50 , 100 , 689459 , 1378918 , 2757836 , 3447295 , 6894590 , 13789180 , 17236475 , 34472950 , 68945900
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68945899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68945900 can be divided by 18 positive divisors.
The sum of these divisors (counting 68945900) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100000111000000011111101100
3
Ternary
11210201210222212
4
Quaternary
10013000133230
5
Quinary
120122232100
6
Senary
10501425552
8
Octal
407003754
10
Decimal
68945900
12
Duodecimal
1b10b2b8
16
Hexadecimal
41c07ec
20
Vigesimal
11ai4f0
36
Base36
151qzw
md5
0e98ac72e577c321e20b590d1f136714
sha1
2ab1a330ac3d6f59644cc8aa89490f9af8a4d818
sha256
e218151a00bc6d1c1465d6354a460dca66bb126e6a783118a2f3d3e98b8f70c1
sha512
6375e2a7470ed78eef0c0a149f523e863c1d46bbd89452f584dafa728fc88652c35441dff1406b33fffa65e8f7706f67c7286e61d9cb4d32998defc3b51c61fa
ripemd-160
f41079a2bbd7b9f53caa026a520b0a3433036003
Diameter
137891800
Circumference
433199865.87027
Area
1.4933677316153E+16
Volume
1.3728210971623E+24
Surface area
5.9734709264611E+16
Circumference
433199865.87027
Perimeter
275783600
Area
4753537126810000
Diagonal
97504226.850019
Surface area
28521222760860000
Volume
3.2773689539133E+23
Space diagonal
119417801.77356
Perimeter
206837700
Area
2.058341954825E+15
Altitude
59708900.886782
Surface area
2.058341954825E+15
Volume
3.8624163529373E+22
Height
32501408.950006