68888913 is an odd 8-digits composite number following 68888912
and preceding 68888914 . In scientific notation, it is written as 6.8888913 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 41829120 positive integers (up to 68888913) that are relatively prime to 68888913.
68888913 has 16 divisors, whose sum is 100394496
The reverse of 68888913 is 31988886
Previous prime number is 31
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 thirteen
Scientific notation
6.8888913 × 10^7
Engineering notation
6.8888913 × 10^6
Prime Factorization
3 × 17 × 31 × 43573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68888913
Product of the distinct prime numbers
The prime factorization of 68888913 is 3 × 17 × 31 × 43573.
Since it has a total of 4 prime factors.
4 , 7 , 38 , 69 , 431 , 438 , 151 , 9505 , 16172 , 19704 , 215743 , 801758 , 5168414 , 3075423 , 79113370 , 74119765 , 627821215 , 80796474 , 4174386764 , 5846625091
n×2
137777826
n×3
206666739
n×4
275555652
n×5
344444565
n÷2
34444456.5
n÷3
22962971
n÷3
17222228.25
n÷5
13777782.6
n2
4745682334321569
n3
3.2692489745472E+23
n4
2.2521500818292E+31
n5
1.5514817105007E+39
2 √n
8299.934517814
3 √n
409.93636331393
4 √n
91.10397641055
5 √n
36.951312278136
1 , 3 , 17 , 31 , 51 , 93 , 527 , 1581 , 43573 , 130719 , 740741 , 1350763 , 2222223 , 4052289 , 22962971 , 68888913
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
-68888912
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 68888913 can be divided by 16 positive divisors.
The sum of these divisors (counting 68888913) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110110010100101010001
3
Ternary
11210121220211020
4
Quaternary
10012302211101
5
Quinary
120113421123
6
Senary
10500310053
8
Octal
406624521
10
Decimal
68888913
12
Duodecimal
1b0a2329
16
Hexadecimal
41b2951
20
Vigesimal
11ab25d
36
Base36
150j0x
md5
ef373988f44df1c90d32bd019ef2a138
sha1
ccdfa96fc0cdf56b1515e69d72439d8b1e6fa1a1
sha256
b4ebdc2a6272a2e9d1eb8198410401dc3ca94f606b01b417fb70a0fefc1b9008
sha512
3b3090eb42872732003b95272ee7d5951ba22da5076681b34b88df225c0448395413f2de09b2029c96fb7708d4bcfa77eef4e9620ba0443afd0d24888d52814e
ripemd-160
335188f16d643876569389a2fac8434f23435d44
Diameter
137777826
Circumference
432841805.98917
Area
1.4909000757776E+16
Volume
1.3694198081591E+24
Surface area
5.9636003031102E+16
Circumference
432841805.98917
Perimeter
275555652
Area
4745682334321569
Diagonal
97423635.06174
Surface area
28474094005929414
Volume
3.2692489745472E+23
Space diagonal
119319097.39419
Perimeter
206666739
Area
2.0549407299068E+15
Altitude
59659548.697096
Surface area
2.0549407299068E+15
Volume
3.8528468654824E+22
Height
32474545.02058