67221387 is an odd 8-digits composite number following 67221386
and preceding 67221388 . In scientific notation, it is written as 6.7221387 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 42865416 positive integers (up to 67221387) that are relatively prime to 67221387.
67221387 has 16 divisors, whose sum is 103918080
The reverse of 67221387 is 78312276
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-seven million two hundred twenty-one thousand three hundred eighty-seven
Scientific notation
6.7221387 × 10^7
Engineering notation
6.7221387 × 10^6
Prime Factorization
9 × 3 × 23 × 108247
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
67221387
Product of the distinct prime numbers
The prime factorization of 67221387 is 9 × 3 × 23 × 108247.
Since it has a total of 4 prime factors.
5 , 5 , 24 , 34 , 959 , 400 , 5248 , 9484 , 89316 , 26204 , 406343 , 733089 , 8782406 , 5031494 , 67625012 , 93508078 , 144010787 , 409284212 , 8409445873 , 5342655985
n×2
134442774
n×3
201664161
n×4
268885548
n×5
336106935
n÷2
33610693.5
n÷3
22407129
n÷3
16805346.75
n÷5
13444277.4
n2
4518714870203769
n3
3.0375428103262E+23
n4
2.0418784078201E+31
n5
1.3725789865902E+39
2 √n
8198.8649824229
3 √n
406.60166844662
4 √n
90.547584078333
5 √n
36.770665816762
1 , 3 , 9 , 23 , 27 , 69 , 207 , 621 , 108247 , 324741 , 974223 , 2489681 , 2922669 , 7469043 , 22407129 , 67221387
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67221386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67221387 can be divided by 16 positive divisors.
The sum of these divisors (counting 67221387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000000011011011110001011
3
Ternary
11200111012102000
4
Quaternary
10000123132023
5
Quinary
114202041022
6
Senary
10400442043
8
Octal
400333613
10
Decimal
67221387
12
Duodecimal
1a619323
16
Hexadecimal
401b78b
20
Vigesimal
1102d97
36
Base36
140scr
md5
a9663d4eb125c0206c8027fcf959f3c8
sha1
8a83d01a9f20a9e26bfa634c25c8d37e14151abb
sha256
637b8fc771ca173d9ba0531b7f3ffdd3b61f68b477ebeca9d5669d7e05ba6dc0
sha512
10b231a4e61f4a6778ac845b65fdad22b38c926b3d5ccb4428c4524853910cb63401acfd5c714a092e1e0924147e0c088ad0b54506848e649fc94fef7a0262cc
ripemd-160
30ad7e747d0d37a1f526b477d67f6ac9bee61e4f
Diameter
134442774
Circumference
422364431.12663
Area
1.4195961439899E+16
Volume
1.2723629570514E+24
Surface area
5.6783845759596E+16
Circumference
422364431.12663
Perimeter
268885548
Area
4518714870203769
Diagonal
95065397.17693
Surface area
27112289221222614
Volume
3.0375428103262E+23
Space diagonal
116430857.63925
Perimeter
201664161
Area
1.9566609350275E+15
Altitude
58215428.819625
Surface area
1.9566609350275E+15
Volume
3.5797785322102E+22
Height
31688465.725643