68221657 is an odd 8-digits composite number following 68221656
and preceding 68221658 . In scientific notation, it is written as 6.8221657 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 55761552 positive integers (up to 68221657) that are relatively prime to 68221657.
68221657 has 16 divisors, whose sum is 81607680
The reverse of 68221657 is 75612286
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-eight million two hundred twenty-one thousand six hundred fifty-seven
Scientific notation
6.8221657 × 10^7
Engineering notation
6.8221657 × 10^6
Prime Factorization
7 × 23 × 643 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68221657
Product of the distinct prime numbers
The prime factorization of 68221657 is 7 × 23 × 643 × 659.
Since it has a total of 4 prime factors.
1 , 5 , 65 , 21 , 950 , 220 , 8865 , 6286 , 76492 , 93393 , 130640 , 250730 , 1500695 , 8557138 , 89927415 , 38020266 , 282292443 , 546002362 , 2815496663 , 4861022009
n×2
136443314
n×3
204664971
n×4
272886628
n×5
341108285
n÷2
34110828.5
n÷3
22740552.333333
n÷3
17055414.25
n÷5
13644331.4
n2
4654194483825649
n3
3.1751685968685E+23
n4
2.1661526293273E+31
n5
1.4777852168762E+39
2 √n
8259.640246403
3 √n
408.60852301827
4 √n
90.882562939229
5 √n
36.879451453044
1 , 7 , 23 , 161 , 643 , 659 , 4501 , 4613 , 14789 , 15157 , 103523 , 106099 , 423737 , 2966159 , 9745951 , 68221657
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
-68221656
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 68221657 can be divided by 16 positive divisors.
The sum of these divisors (counting 68221657) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100001111101011011001
3
Ternary
11202101000112001
4
Quaternary
10010033223121
5
Quinary
114431043112
6
Senary
10434121001
8
Octal
404175331
10
Decimal
68221657
12
Duodecimal
1aa20161
16
Hexadecimal
410fad9
20
Vigesimal
1167e2h
36
Base36
14m861
md5
6aaa9bbfe832b629944abade442c5cf3
sha1
197227bdb1b2de51ae3b080eedb248b52d8d8e5e
sha256
8d318414fd6eb03e529fea3dbfbbfc83fc451a84e12ab45920e9b2fe377b86f4
sha512
df300113fcf2ae1cfab5bf284a470bc7cd29a88098be9f3f530e3bae0f719916fc07d68c0682e33c0eaafb07138e8812e285846b66e367eb58d37dbf94dea85a
ripemd-160
83583dc3eb09271dc18533195f3dc1882a6d1e8c
Diameter
136443314
Circumference
428649312.89385
Area
1.4621583198765E+16
Volume
1.3300115117108E+24
Surface area
5.8486332795059E+16
Circumference
428649312.89385
Perimeter
272886628
Area
4654194483825649
Diagonal
96479992.576965
Surface area
27925166902953894
Volume
3.1751685968685E+23
Space diagonal
118163376.10054
Perimeter
204664971
Area
2.0153253285732E+15
Altitude
59081688.050268
Surface area
2.0153253285732E+15
Volume
3.7419720770938E+22
Height
32159997.525655