68888980 is an even 8-digits composite number following 68888979
and preceding 68888981 . In scientific notation, it is written as 6.8888980 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 27555584 positive integers (up to 68888980) that are relatively prime to 68888980.
68888980 has 12 divisors, whose sum is 144666900
The reverse of 68888980 is 08988886
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred eighty
Scientific notation
6.8888980 × 10^7
Engineering notation
6.8888980 × 10^6
Prime Factorization
2 × 2 × 5 × 3444449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34444490
Product of the distinct prime numbers
The prime factorization of 68888980 is 2 × 2 × 5 × 3444449.
Since it has a total of 4 prime factors.
4 , 7 , 46 , 92 , 177 , 334 , 799 , 3300 , 72475 , 63568 , 592560 , 870529 , 9716084 , 1627531 , 61378371 , 9847425 , 243127649 , 910481506 , 7887012922 , 8508178860
n×2
137777960
n×3
206666940
n×4
275555920
n×5
344444900
n÷2
34444490
n÷3
22962993.333333
n÷3
17222245
n÷5
13777796
n2
4745691565440400
n3
3.2692585133779E+23
n4
2.2521588434292E+31
n5
1.5514892552182E+39
2 √n
8299.9385539894
3 √n
409.93649621257
4 √n
91.103998562025
5 √n
36.951319465757
1 , 2 , 4 , 5 , 10 , 20 , 3444449 , 6888898 , 13777796 , 17222245 , 34444490 , 68888980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68888979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68888980 can be divided by 12 positive divisors.
The sum of these divisors (counting 68888980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000110110010100110010100
3
Ternary
11210121220220201
4
Quaternary
10012302212110
5
Quinary
120113421410
6
Senary
10500310244
8
Octal
406624624
10
Decimal
68888980
12
Duodecimal
1b0a2384
16
Hexadecimal
41b2994
20
Vigesimal
11ab290
36
Base36
150j2s
md5
59eede151317137196df76c2c14b0b7e
sha1
270a206f93b1663274eaa63947f8113c09bce55b
sha256
503f97bd5e57f8db36df6b43927c1f8a4a62cd68021728590320d8a98d58a3d3
sha512
3ac8cadd19ec7ad8c5e4632840b021c52a6b3d476b3064b2a7f71788dc81ea253fe96460bb70643e59c867fcfe41fd7ff60975bc57c65a1a84d9015c614bf9c6
ripemd-160
2fc58fbb513cf645a2abf163a8a3b2c0fa92d6c4
Diameter
137777960
Circumference
432842226.96259
Area
1.4909029758191E+16
Volume
1.3694238037752E+24
Surface area
5.9636119032762E+16
Circumference
432842226.96259
Perimeter
275555920
Area
4745691565440400
Diagonal
97423729.814049
Surface area
28474149392642400
Volume
3.2692585133779E+23
Space diagonal
119319213.4416
Perimeter
206666940
Area
2.0549447270985E+15
Altitude
59659606.720798
Surface area
2.0549447270985E+15
Volume
3.8528581071023E+22
Height
32474576.604683