68998420 is an even 8-digits composite number following 68998419
and preceding 68998421 . In scientific notation, it is written as 6.8998420 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 27562656 positive integers (up to 68998420) that are relatively prime to 68998420.
68998420 has 24 divisors, whose sum is 145089504
The reverse of 68998420 is 02489986
Previous prime number is 947
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-eight million nine hundred ninety-eight thousand four hundred twenty
Scientific notation
6.8998420 × 10^7
Engineering notation
6.8998420 × 10^6
Prime Factorization
2 × 2 × 5 × 947 × 3643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
34499210
Product of the distinct prime numbers
The prime factorization of 68998420 is 2 × 2 × 5 × 947 × 3643.
Since it has a total of 5 prime factors.
4 , 3 , 49 , 19 , 894 , 739 , 450 , 8949 , 95295 , 30534 , 688100 , 897403 , 9843661 , 3361568 , 48831335 , 34446790 , 781853224 , 327914813 , 4864679984 , 1052627181
n×2
137996840
n×3
206995260
n×4
275993680
n×5
344992100
n÷2
34499210
n÷3
22999473.333333
n÷3
17249605
n÷5
13799684
n2
4760781962496400
n3
3.2848643337675E+23
n4
2.2665044894431E+31
n5
1.5638522869448E+39
2 √n
8306.5287575497
3 √n
410.15346228249
4 √n
91.140159960084
5 √n
36.963052503727
1 , 2 , 4 , 5 , 10 , 20 , 947 , 1894 , 3643 , 3788 , 4735 , 7286 , 9470 , 14572 , 18215 , 18940 , 36430 , 72860 , 3449921 , 6899842 , 13799684 , 17249605 , 34499210 , 68998420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68998419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68998420 can be divided by 24 positive divisors.
The sum of these divisors (counting 68998420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000111001101010100010100
3
Ternary
11210211111001001
4
Quaternary
10013031110110
5
Quinary
120130422140
6
Senary
10502513044
8
Octal
407152424
10
Decimal
68998420
12
Duodecimal
1b135784
16
Hexadecimal
41cd514
20
Vigesimal
11b4g10
36
Base36
152vis
md5
6f5cbea5eb3e5067fe03d81b9bbb5797
sha1
a0c0f2090264fb6370b762fcd98185fdff159526
sha256
e99faba9539d52cfaae2f4717b1e112fa18ab156f85475432fcf875195a300e3
sha512
86d2c993543adc4c361381ffcb2fb52f9ac4eef8af1bd07200d7cd2ee1dd9f336e3db082567ea8dd221c213af45080346609cec94ecdf313ac2c856be0198039
ripemd-160
07d770c34947f04388e20f88699509c22faae502
Diameter
137996840
Circumference
433529858.76261
Area
1.4956437638721E+16
Volume
1.3759607545338E+24
Surface area
5.9825750554886E+16
Circumference
433529858.76261
Perimeter
275993680
Area
4760781962496400
Diagonal
97578501.346315
Surface area
28564691774978400
Volume
3.2848643337675E+23
Space diagonal
119508769.08198
Perimeter
206995260
Area
2.0614790607003E+15
Altitude
59754384.540988
Surface area
2.0614790607003E+15
Volume
3.8712497428081E+22
Height
32526167.115438