68996872 is an even 8-digits composite number following 68996871
and preceding 68996873 . In scientific notation, it is written as 6.8996872 × 10^7.
The sum of its digits is 55. It has a total of 6 prime factors and 32 positive divisors.
There are 28283904 positive integers (up to 68996872) that are relatively prime to 68996872.
68996872 has 32 divisors, whose sum is 154281600
The reverse of 68996872 is 27869986
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-eight million nine hundred ninety-six thousand eight hundred seventy-two
Scientific notation
6.8996872 × 10^7
Engineering notation
6.8996872 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 23 × 53569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17249218
Product of the distinct prime numbers
The prime factorization of 68996872 is 2 × 2 × 2 × 7 × 23 × 53569.
Since it has a total of 6 prime factors.
10 , 7 , 2 , 6 , 690 , 871 , 3030 , 9999 , 61278 , 4540 , 251015 , 588328 , 7675250 , 3223124 , 499980 , 88074137 , 206023497 , 489361321 , 8574216126 , 8927190691
n×2
137993744
n×3
206990616
n×4
275987488
n×5
344984360
n÷2
34498436
n÷3
22998957.333333
n÷3
17249218
n÷5
13799374.4
n2
4760568345784384
n3
3.2846432480134E+23
n4
2.2663010974884E+31
n5
1.5636768673687E+39
2 √n
8306.4355773099
3 √n
410.15039495473
4 √n
91.139648766659
5 √n
36.962886646831
1 , 2 , 4 , 7 , 8 , 14 , 23 , 28 , 46 , 56 , 92 , 161 , 184 , 322 , 644 , 1288 , 53569 , 107138 , 214276 , 374983 , 428552 , 749966 , 1232087 , 1499932 , 2464174 , 2999864 , 4928348 , 8624609 , 9856696 , 17249218 , 34498436 , 68996872
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
-68996871
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 68996872 can be divided by 32 positive divisors.
The sum of these divisors (counting 68996872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000111001100111100001000
3
Ternary
11210211101220201
4
Quaternary
10013030330020
5
Quinary
120130344442
6
Senary
10502501544
8
Octal
407147410
10
Decimal
68996872
12
Duodecimal
1b1348b4
16
Hexadecimal
41ccf08
20
Vigesimal
11b4c3c
36
Base36
152ubs
md5
d996968da156fc3068d61f55cff6cb1a
sha1
2494f7729ab7db87907ec05811387bb131b27446
sha256
7751f4f50fb56cd09ad4e8ee77e570f8c1351375f5e3ec72c8753da6de5b6865
sha512
e6f3ff8705b5c6133da2bfbab0372eebacbe5aeb36bbc3b0cc967c19466125b3a5d15d70871e804def61deeb529e334360d44d82ec44ea06392259e7e16496ad
ripemd-160
eb29de73a6d743f513ffcd4511571b8224b683f2
Diameter
137993744
Circumference
433520132.39175
Area
1.4955766542028E+16
Volume
1.3758681463496E+24
Surface area
5.9823066168113E+16
Circumference
433520132.39175
Perimeter
275987488
Area
4760568345784384
Diagonal
97576312.14372
Surface area
28563410074706304
Volume
3.2846432480134E+23
Space diagonal
119506087.86733
Perimeter
206990616
Area
2.0613865619507E+15
Altitude
59753043.933663
Surface area
2.0613865619507E+15
Volume
3.8709891907481E+22
Height
32525437.38124