67689945 is an odd 8-digits composite number following 67689944
and preceding 67689946 . In scientific notation, it is written as 6.7689945 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 35942400 positive integers (up to 67689945) that are relatively prime to 67689945.
67689945 has 32 divisors, whose sum is 120867840
The reverse of 67689945 is 54998676
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-seven million six hundred eighty-nine thousand nine hundred forty-five
Scientific notation
6.7689945 × 10^7
Engineering notation
6.7689945 × 10^6
Prime Factorization
257 × 3 × 5 × 9 × 1951
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
67689945
Product of the distinct prime numbers
The prime factorization of 67689945 is 257 × 3 × 5 × 9 × 1951.
Since it has a total of 5 prime factors.
7 , 10 , 87 , 71 , 32 , 677 , 4790 , 8048 , 23774 , 68587 , 485751 , 590744 , 5476506 , 8091930 , 35732101 , 46665476 , 178141950 , 433142637 , 5544805391 , 5599092669
n×2
135379890
n×3
203069835
n×4
270759780
n×5
338449725
n÷2
33844972.5
n÷3
22563315
n÷3
16922486.25
n÷5
13537989
n2
4581928654103025
n3
3.1015049859016E+23
n4
2.099407019129E+31
n5
1.4210874565746E+39
2 √n
8227.3899263375
3 √n
407.54420336728
4 √n
90.7049608695
5 √n
36.821784524043
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 257 , 771 , 1285 , 1951 , 2313 , 3855 , 5853 , 6939 , 9755 , 11565 , 17559 , 29265 , 34695 , 52677 , 87795 , 263385 , 501407 , 1504221 , 2507035 , 4512663 , 7521105 , 13537989 , 22563315 , 67689945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67689944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67689945 can be divided by 32 positive divisors.
The sum of these divisors (counting 67689945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000010001101110111011001
3
Ternary
11201101000011000
4
Quaternary
10002031313121
5
Quinary
114312034240
6
Senary
10414455213
8
Octal
402156731
10
Decimal
67689945
12
Duodecimal
1a804509
16
Hexadecimal
408ddd9
20
Vigesimal
11314h5
36
Base36
14atw9
md5
dae3939663f29fc4e3b86ca229ed6ca7
sha1
fe738fd099e11fae20ed8ea0235d43dffcd95ecf
sha256
def27464d97dbb83b40fd8e06d0de5f11823d7ed37a5bdcd59acfda551a1db75
sha512
ea824bda0c26bdb9390cad65c958690b832b473895107c6d46f748e0cf8d8335d96b6609e3f4aa7adcd93ed85c521b477c320d71f3af03ebe774fb0805958798
ripemd-160
49789b1e6616713a0655ef4dac9e3d0d2bece9d1
Diameter
135379890
Circumference
425308467.86779
Area
1.4394553399003E+16
Volume
1.2991553705041E+24
Surface area
5.7578213596011E+16
Circumference
425308467.86779
Perimeter
270759780
Area
4581928654103025
Diagonal
95728038.255289
Surface area
27491571924618150
Volume
3.1015049859016E+23
Space diagonal
117242423.90154
Perimeter
203069835
Area
1.9840333063905E+15
Altitude
58621211.950771
Surface area
1.9840333063905E+15
Volume
3.6551586790248E+22
Height
31909346.085096