67681921 is an odd 8-digits prime number following 67681920
and preceding 67681922 . In scientific notation, it is written as 6.7681921 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 67681920 positive integers (up to 67681921) that are relatively prime to 67681921.
67681921 has 2 divisors, whose sum is 67681922
The reverse of 67681921 is 12918676
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
sixty-seven million six hundred eighty-one thousand nine hundred twenty-one
Scientific notation
6.7681921 × 10^7
Engineering notation
6.7681921 × 10^6
Prime Factorization
67681921
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
67681921 Product of the distinct prime numbers
The prime factorization of 67681921 is 67681921.
Since it has a total of 1 prime factors.
8 , 1 , 27 , 10 , 252 , 391 , 2751 , 6146 , 56463 , 61428 , 802761 , 221716 , 1382599 , 4038421 , 76247366 , 4198866 , 75577026 , 652308550 , 5515659209 , 1870883159
n×2
135363842
n×3
203045763
n×4
270727684
n×5
338409605
n÷2
33840960.5
n÷3
22560640.333333
n÷3
16920480.25
n÷5
13536384.2
n2
4580842430250241
n3
3.1004021547764E+23
n4
2.0984117370781E+31
n5
1.4202453741439E+39
2 √n8226.9022724231
3 √n407.5280992329
4 √n90.702272697122
5 √n36.820911508089
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
67681922 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33840961 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8226.9023331993 Returns the nth root of the product of n divisors
H Harmonic Mean
1.99999997045 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67681921 can be divided by 2 positive divisors.
The sum of these divisors (counting 67681921) is 67681922, the average is 33840961.
Base
System
Value
2
Binary
100000010001011111010000001
3
Ternary
11201100121010211
4
Quaternary
10002023322001
5
Quinary
114311310141
6
Senary
10414354121
8
Octal
402137201
10
Decimal
67681921
12
Duodecimal
1a7bb941
16
Hexadecimal
408be81
20
Vigesimal
11304g1
36
Base36
14anpd
md5
921f9563ad1ae5f519c15200abd8c551
sha1
45f68e7cd724a8f9bbcad2995c88bcc9f54a5114
sha256
ee25488db199379c032a90c99f78565af4ee632304232c33a2050b34d0a980dc
sha512
b947b9054667199e814c9784032a6d5e92fa47e2f0aeaeca18b1113b488fa9e2e092ff91265c3f556560a9e9149a8692da142a58b637398f9d0efec7482a5018
ripemd-160
cc4f9d2522fa756fdc20117a8c0887c08198f10a
Diameter
135363842
Circumference
425258051.58889
Area
1.4391140926127E+16
Volume
1.2986934176826E+24
Surface area
5.7564563704506E+16
Circumference
425258051.58889
Perimeter
270727684
Area
4580842430250241
Diagonal
95716690.605664
Surface area
27485054581501446
Volume
3.1004021547764E+23
Space diagonal
117228525.92586
Perimeter
203045763
Area
1.9835629576652E+15
Altitude
58614262.962931
Surface area
1.9835629576652E+15
Volume
3.6538589800797E+22
Height
31905563.535221