67991645 is an odd 8-digits composite number following 67991644
and preceding 67991646 . In scientific notation, it is written as 6.7991645 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 54393312 positive integers (up to 67991645) that are relatively prime to 67991645.
67991645 has 4 divisors, whose sum is 81589980
The reverse of 67991645 is 54619976
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-seven million nine hundred ninety-one thousand six hundred forty-five
Scientific notation
6.7991645 × 10^7
Engineering notation
6.7991645 × 10^6
Prime Factorization
5 × 13598329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
67991645
Product of the distinct prime numbers
The prime factorization of 67991645 is 5 × 13598329.
Since it has a total of 2 prime factors.
6 , 5 , 95 , 54 , 280 , 853 , 8716 , 7234 , 3858 , 15690 , 830038 , 974847 , 2337671 , 7240144 , 44905752 , 38719667 , 49841077 , 328564843 , 5607994507 , 9433101333
n×2
135983290
n×3
203974935
n×4
271966580
n×5
339958225
n÷2
33995822.5
n÷3
22663881.666667
n÷3
16997911.25
n÷5
13598329
n2
4622863789806025
n3
3.1431611367985E+23
n4
2.13708696191E+31
n5
1.4530405804831E+39
2 √n
8245.7046393865
3 √n
408.14879272842
4 √n
90.805862362441
5 √n
36.854549743286
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
-67991644
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 67991645 can be divided by 4 positive divisors.
The sum of these divisors (counting 67991645) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000011010111100001011101
3
Ternary
11201221100000002
4
Quaternary
10003113201131
5
Quinary
114401213040
6
Senary
10425144045
8
Octal
403274135
10
Decimal
67991645
12
Duodecimal
1a92b025
16
Hexadecimal
40d785d
20
Vigesimal
114ij25
36
Base36
14haot
md5
69afff3182f4eb5032c1acfabfc94576
sha1
cc3c7966f06ebfac388e016823c94c1a31443019
sha256
d25e3e3868544ff825879e8a3dff3e97d07c66fe0d32c1dc25c950658e28f248
sha512
1d4965196323599394aaf6484f95edc3caf75ea40815f2cc15c16c4b26b31b9279c209641d0ed637e629f41abf46843cc171e8b312c565ed866e572e01b54a82
ripemd-160
43042590af8f2611fe4bc62c475ade69dd4001c6
Diameter
135983290
Circumference
427204104.87497
Area
1.4523154920601E+16
Volume
1.3166042581887E+24
Surface area
5.8092619682404E+16
Circumference
427204104.87497
Perimeter
271966580
Area
4622863789806025
Diagonal
96154706.487057
Surface area
27737182738836150
Volume
3.1431611367985E+23
Space diagonal
117764983.63019
Perimeter
203974935
Area
2.0017587401036E+15
Altitude
58882491.815093
Surface area
2.0017587401036E+15
Volume
3.7042509236537E+22
Height
32051568.829019