68152021 is an odd 8-digits composite number following 68152020
and preceding 68152022 . In scientific notation, it is written as 6.8152021 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 56188080 positive integers (up to 68152021) that are relatively prime to 68152021.
68152021 has 16 divisors, whose sum is 80916480
The reverse of 68152021 is 12025186
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixty-eight million one hundred fifty-two thousand twenty-one
Scientific notation
6.8152021 × 10^7
Engineering notation
6.8152021 × 10^6
Prime Factorization
7 × 47 × 59 × 3511
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68152021
Product of the distinct prime numbers
The prime factorization of 68152021 is 7 × 47 × 59 × 3511.
Since it has a total of 4 prime factors.
4 , 9 , 13 , 100 , 486 , 513 , 8817 , 2098 , 22526 , 78314 , 535311 , 867694 , 9583378 , 9275746 , 36118462 , 53562643 , 916241514 , 339751228 , 2481294098 , 7712571674
n×2
136304042
n×3
204456063
n×4
272608084
n×5
340760105
n÷2
34076010.5
n÷3
22717340.333333
n÷3
17038005.25
n÷5
13630404.2
n2
4644697966384441
n3
3.1654555334369E+23
n4
2.1573219198936E+31
n5
1.4702584878835E+39
2 √n
8255.4237323108
3 √n
408.46944914688
4 √n
90.859362381159
5 √n
36.871919573027
1 , 7 , 47 , 59 , 329 , 413 , 2773 , 3511 , 19411 , 24577 , 165017 , 207149 , 1155119 , 1450043 , 9736003 , 68152021
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
-68152020
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 68152021 can be divided by 16 positive divisors.
The sum of these divisors (counting 68152021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011111110101011010101
3
Ternary
11202020110222221
4
Quaternary
10003332223111
5
Quinary
114421331041
6
Senary
10432422341
8
Octal
403765325
10
Decimal
68152021
12
Duodecimal
1a9a79b1
16
Hexadecimal
40fead5
20
Vigesimal
115j011
36
Base36
14kqfp
md5
ca7739c8ff629deb8e3ba1e72728d6d4
sha1
3a6b25bacd9116cbabfa2294009be94fa6ea59f8
sha256
f78dd43f165978a0a3114cbe676d225efd507706013e787ef362b69e83a5c565
sha512
82230ccbdeae31cd64cbbc69ba06b2f902dcb33777925e796bd9e10a9c3d71428b4c88221b162e91e311d3860c8d89b6205b9b6a2a26b46d05fce94d9572cfee
ripemd-160
8f9525f3454ec71f9c1b74867c9244946460c492
Diameter
136304042
Circumference
428211777.00179
Area
1.4591749009337E+16
Volume
1.3259429132147E+24
Surface area
5.8366996037347E+16
Circumference
428211777.00179
Perimeter
272608084
Area
4644697966384441
Diagonal
96381512.401336
Surface area
27868187798306646
Volume
3.1654555334369E+23
Space diagonal
118042763.0105
Perimeter
204456063
Area
2.0112132158974E+15
Altitude
59021381.505251
Surface area
2.0112132158974E+15
Volume
3.7305251220629E+22
Height
32127170.800445