68751391 is an odd 8-digits prime number following 68751390
and preceding 68751392 . In scientific notation, it is written as 6.8751391 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 68751390 positive integers (up to 68751391) that are relatively prime to 68751391.
68751391 has 2 divisors, whose sum is 68751392
The reverse of 68751391 is 19315786
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million seven hundred fifty-one thousand three hundred ninety-one
Scientific notation
6.8751391 × 10^7
Engineering notation
6.8751391 × 10^6
Prime Factorization
68751391
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
68751391
Product of the distinct prime numbers
The prime factorization of 68751391 is 68751391.
Since it has a total of 1 prime factors.
7 , 5 , 13 , 66 , 567 , 459 , 3203 , 4970 , 65936 , 60252 , 458276 , 425353 , 4696385 , 2876994 , 61711055 , 83310482 , 777108712 , 489755397 , 344266558 , 8131651437
n×2
137502782
n×3
206254173
n×4
275005564
n×5
343756955
n÷2
34375695.5
n÷3
22917130.333333
n÷3
17187847.75
n÷5
13750278.2
n2
4726753764434881
n3
3.2497089621938E+23
n4
2.2342201149599E+31
n5
1.5360574070368E+39
2 √n
8291.6458559203
3 √n
409.66339813233
4 √n
91.058474926392
5 √n
36.936547403038
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
68751392
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
34375696
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8291.6459162219
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999709097
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68751391 can be divided by 2 positive divisors.
The sum of these divisors (counting 68751391) is 68751392, the average is 34375696.
Base
System
Value
2
Binary
100000110010001000000011111
3
Ternary
11210100221011211
4
Quaternary
10012101000133
5
Quinary
120100021031
6
Senary
10453325251
8
Octal
406210037
10
Decimal
68751391
12
Duodecimal
1b036827
16
Hexadecimal
419101f
20
Vigesimal
119di9b
36
Base36
14xkwv
md5
6e72ddbcf04b198c7d35581dd1a709c5
sha1
e8b3bc1264b515dedf29f1f56e180cec6e78e9e7
sha256
227908a6b84f14a45c2e1bb4afaa771022face4508fed8d59e6eb6ce4bac34e9
sha512
aed5c489b5a7463200b51e151157fe0ba65c766c10405e5c4a1de81efdab0acbc34f2e8be137e6c66c8bd6ae2786386f501da5f5adee563c8f0ae6317b479dbf
ripemd-160
38074effd83091a50af11d6849e9b4811c603a30
Diameter
137502782
Circumference
431977729.77936
Area
1.4849534901677E+16
Volume
1.3612349069244E+24
Surface area
5.9398139606706E+16
Circumference
431977729.77936
Perimeter
275005564
Area
4726753764434881
Diagonal
97229149.584216
Surface area
28360522586609286
Volume
3.2497089621938E+23
Space diagonal
119080902.30303
Perimeter
206254173
Area
2.0467444187172E+15
Altitude
59540451.151517
Surface area
2.0467444187172E+15
Volume
3.8298187400833E+22
Height
32409716.528072