68888931 is an odd 8-digits composite number following 68888930
and preceding 68888932 . In scientific notation, it is written as 6.8888931 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 42996096 positive integers (up to 68888931) that are relatively prime to 68888931.
68888931 has 32 divisors, whose sum is 97985280
The reverse of 68888931 is 13988886
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred thirty-one
Scientific notation
6.8888931 × 10^7
Engineering notation
6.8888931 × 10^6
Prime Factorization
3 × 37 × 59 × 157 × 67
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
68888931
Product of the distinct prime numbers
The prime factorization of 68888931 is 3 × 37 × 59 × 157 × 67.
Since it has a total of 5 prime factors.
8 , 4 , 14 , 93 , 842 , 801 , 6081 , 2853 , 68527 , 74660 , 718635 , 276996 , 1500234 , 7485447 , 76247448 , 72357645 , 111234981 , 204086008 , 9194166861 , 6123354954
n×2
137777862
n×3
206666793
n×4
275555724
n×5
344444655
n÷2
34444465.5
n÷3
22962977
n÷3
17222232.75
n÷5
13777786.2
n2
4745684814322761
n3
3.2692515372163E+23
n4
2.2521524356894E+31
n5
1.5514837374369E+39
2 √n
8299.9356021598
3 √n
409.93639901805
4 √n
91.103982361694
5 √n
36.951314209139
1 , 3 , 37 , 59 , 67 , 111 , 157 , 177 , 201 , 471 , 2183 , 2479 , 3953 , 5809 , 6549 , 7437 , 9263 , 10519 , 11859 , 17427 , 27789 , 31557 , 146261 , 342731 , 389203 , 438783 , 620621 , 1028193 , 1167609 , 1861863 , 22962977 , 68888931
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68888930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68888931 can be divided by 32 positive divisors.
The sum of these divisors (counting 68888931) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000110110010100101100011
3
Ternary
11210121220211220
4
Quaternary
10012302211203
5
Quinary
120113421211
6
Senary
10500310123
8
Octal
406624543
10
Decimal
68888931
12
Duodecimal
1b0a2343
16
Hexadecimal
41b2963
20
Vigesimal
11ab26b
36
Base36
150j1f
md5
32c314d1992c9fca8f5d342c2b914efa
sha1
70e15477a58b862682707a174a45286de0842ec9
sha256
658564c598825ea0b0b2b3522c7a23658ab13546a560087b979913eed97b8b72
sha512
f2b80f4dd60822ff8b64b4373a2e9c79a999fca599aa66356b12878b778d54a1220176b315ba111ed636675c2fccdb7db5a9b5425a40a2656b1ce59d415d9356
ripemd-160
2f7434dd51dd9ac28954a612befbcb440b304533
Diameter
137777862
Circumference
432841919.08651
Area
1.4909008548929E+16
Volume
1.3694208816074E+24
Surface area
5.9636034195716E+16
Circumference
432841919.08651
Perimeter
275555724
Area
4745684814322761
Diagonal
97423660.517584
Surface area
28474108885936566
Volume
3.2692515372163E+23
Space diagonal
119319128.57111
Perimeter
206666793
Area
2.0549418037788E+15
Altitude
59659564.285553
Surface area
2.0549418037788E+15
Volume
3.852849885617E+22
Height
32474553.505861