68989816 is an even 8-digits composite number following 68989815
and preceding 68989817 . In scientific notation, it is written as 6.8989816 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors.
There are 29567040 positive integers (up to 68989816) that are relatively prime to 68989816.
68989816 has 16 divisors, whose sum is 147835440
The reverse of 68989816 is 61898986
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-eight million nine hundred eighty-nine thousand eight hundred sixteen
Scientific notation
6.8989816 × 10^7
Engineering notation
6.8989816 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 1231961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17247454
Product of the distinct prime numbers
The prime factorization of 68989816 is 2 × 2 × 2 × 7 × 1231961.
Since it has a total of 5 prime factors.
10 , 6 , 4 , 90 , 329 , 155 , 7141 , 2267 , 63221 , 26993 , 916375 , 733111 , 8053648 , 9005534 , 84035099 , 75203774 , 417349960 , 998125394 , 5217379054 , 8974518294
n×2
137979632
n×3
206969448
n×4
275959264
n×5
344949080
n÷2
34494908
n÷3
22996605.333333
n÷3
17247454
n÷5
13797963.2
n2
4759594711713856
n3
3.2836356339571E+23
n4
2.2653741819775E+31
n5
1.5628774798577E+39
2 √n
8306.0108355335
3 √n
410.13641306559
4 √n
91.137318566729
5 √n
36.962130610246
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 1231961 , 2463922 , 4927844 , 8623727 , 9855688 , 17247454 , 34494908 , 68989816
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
-68989815
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 68989816 can be divided by 16 positive divisors.
The sum of these divisors (counting 68989816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000111001011001101111000
3
Ternary
11210211001020101
4
Quaternary
10013023031320
5
Quinary
120130133231
6
Senary
10502405144
8
Octal
407131570
10
Decimal
68989816
12
Duodecimal
1b1307b4
16
Hexadecimal
41cb378
20
Vigesimal
11b3eag
36
Base36
152ovs
md5
ffd68dfe355dbce305ab4aba951669a5
sha1
b80738dae436760e7e17fe9b2def6341cdcb7589
sha256
cbf251712974672dc9400211585e8ca04cdf0ebfb73d5e24cde5c9d7712ddae3
sha512
0f5e6a7a72913f4a5cdf3ccf9f5cb466b724f4a97383a1fbfbbfb01e83a017d6f9962cf4750cb76c67767efe65a66c694d9d3dbd4bd11633d75e0b37aeaa1c29
ripemd-160
22e934efc0bb9f3983aceb27b643288f09b948e6
Diameter
137979632
Circumference
433475798.23622
Area
1.4952707780385E+16
Volume
1.3754460779607E+24
Surface area
5.981083112154E+16
Circumference
433475798.23622
Perimeter
275959264
Area
4759594711713856
Diagonal
97566333.452824
Surface area
28557568270283136
Volume
3.2836356339571E+23
Space diagonal
119493866.51683
Perimeter
206969448
Area
2.0609649660311E+15
Altitude
59746933.258414
Surface area
2.0609649660311E+15
Volume
3.8698017061948E+22
Height
32522111.150941