67991621 is an odd 8-digits composite number following 67991620
and preceding 67991622 . In scientific notation, it is written as 6.7991621 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 67839744 positive integers (up to 67991621) that are relatively prime to 67991621.
67991621 has 4 divisors, whose sum is 68143500
The reverse of 67991621 is 12619976
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-seven million nine hundred ninety-one thousand six hundred twenty-one
Scientific notation
6.7991621 × 10^7
Engineering notation
6.7991621 × 10^6
Prime Factorization
449 × 151429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
67991621
Product of the distinct prime numbers
The prime factorization of 67991621 is 449 × 151429.
Since it has a total of 2 prime factors.
1 , 6 , 55 , 52 , 238 , 582 , 3616 , 8901 , 6395 , 13977 , 953077 , 668273 , 1967441 , 171681 , 77043198 , 72798075 , 87736434 , 395887007 , 5997168659 , 4907321016
n×2
135983242
n×3
203974863
n×4
271966484
n×5
339958105
n÷2
33995810.5
n÷3
22663873.666667
n÷3
16997905.25
n÷5
13598324.2
n2
4622860526207641
n3
3.1431578083377E+23
n4
2.1370839444769E+31
n5
1.4530380159806E+39
2 √n
8245.7031840832
3 √n
408.14874470501
4 √n
90.805854349173
5 √n
36.854547141468
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67991620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67991621 can be divided by 4 positive divisors.
The sum of these divisors (counting 67991621) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011010111100001000101
3
Ternary
11201221022222012
4
Quaternary
10003113201011
5
Quinary
114401212441
6
Senary
10425144005
8
Octal
403274105
10
Decimal
67991621
12
Duodecimal
1a92b005
16
Hexadecimal
40d7845
20
Vigesimal
114ij11
36
Base36
14hao5
md5
b129df9714f5e9a1b3774fbcedbc55c2
sha1
b407081c7b4d441dee40b11cb18dfcfb68013e38
sha256
c328d7d98b6f62b3f0945fd502edc2dc10a5f0f54ec0ea3b885faae077d366a0
sha512
a08c7f6640e0f53a069833c82deb8249ed11015658b0af6bbb308e6e553504ceb6b8c97e6565cf7f219d0a1541d03a948da98a17327d6481994004257d70637f
ripemd-160
0266d76b3b9fe2823848d6563938c20ffae4b948
Diameter
135983242
Circumference
427203954.07852
Area
1.4523144667704E+16
Volume
1.3166028639663E+24
Surface area
5.8092578670817E+16
Circumference
427203954.07852
Perimeter
271966484
Area
4622860526207641
Diagonal
96154672.545931
Surface area
27737163157245846
Volume
3.1431578083377E+23
Space diagonal
117764942.06097
Perimeter
203974863
Area
2.0017573269241E+15
Altitude
58882471.030484
Surface area
2.0017573269241E+15
Volume
3.7042470010251E+22
Height
32051557.51531