68751490 is an even 8-digits composite number following 68751489
and preceding 68751491 . In scientific notation, it is written as 6.8751490 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 32 positive divisors.
There are 26469120 positive integers (up to 68751490) that are relatively prime to 68751490.
68751490 has 32 divisors, whose sum is 128438784
The reverse of 68751490 is 09415786
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million seven hundred fifty-one thousand four hundred ninety
Scientific notation
6.8751490 × 10^7
Engineering notation
6.8751490 × 10^6
Prime Factorization
2 × 31 × 5 × 227 × 977
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
68751490
Product of the distinct prime numbers
The prime factorization of 68751490 is 2 × 31 × 5 × 227 × 977.
Since it has a total of 5 prime factors.
6 , 5 , 47 , 20 , 88 , 524 , 9282 , 3001 , 25260 , 81531 , 36986 , 509273 , 5266882 , 9354772 , 29179006 , 3077609 , 242027435 , 536376417 , 4490887816 , 5046147529
n×2
137502980
n×3
206254470
n×4
275005960
n×5
343757450
n÷2
34375745
n÷3
22917163.333333
n÷3
17187872.5
n÷5
13750298
n2
4726767377220100
n3
3.2497230006727E+23
n4
2.2342329838352E+31
n5
1.5360684664582E+39
2 √n
8291.6518257824
3 √n
409.66359476668
4 √n
91.058507706762
5 √n
36.936558040542
1 , 2 , 5 , 10 , 31 , 62 , 155 , 227 , 310 , 454 , 977 , 1135 , 1954 , 2270 , 4885 , 7037 , 9770 , 14074 , 30287 , 35185 , 60574 , 70370 , 151435 , 221779 , 302870 , 443558 , 1108895 , 2217790 , 6875149 , 13750298 , 34375745 , 68751490
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
-68751489
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 68751490 can be divided by 32 positive divisors.
The sum of these divisors (counting 68751490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000110010001000010000010
3
Ternary
11210100221022111
4
Quaternary
10012101002002
5
Quinary
120100021430
6
Senary
10453325534
8
Octal
406210202
10
Decimal
68751490
12
Duodecimal
1b0368aa
16
Hexadecimal
4191082
20
Vigesimal
119diea
36
Base36
14xkzm
md5
afbfac598511549ebd676531192033c0
sha1
ed763603b3b27966afd36d5c8143de1ef4bf187a
sha256
b6db4ac71af66ca56c061e6d24cc64be514e53a4425e3e5ed5a69785f1b1b115
sha512
b18b903c168172956be0a4041895313970dd8391d089514d93ba9837f772bf6672ff92863e72fca6c473a71232bbcc26dcd40822ff4b1a65f218a124b4852bd9
ripemd-160
63a00d0ccb2ace4953586cd2e402ea095faec6f5
Diameter
137502980
Circumference
431978351.8147
Area
1.4849577667503E+16
Volume
1.3612407873487E+24
Surface area
5.939831067001E+16
Circumference
431978351.8147
Perimeter
275005960
Area
4726767377220100
Diagonal
97229289.591358
Surface area
28360604263320600
Volume
3.2497230006727E+23
Space diagonal
119081073.77606
Perimeter
206254470
Area
2.0467503132261E+15
Altitude
59540536.888032
Surface area
2.0467503132261E+15
Volume
3.8298352845893E+22
Height
32409763.197119