68989851 is an odd 8-digits composite number following 68989850
and preceding 68989852 . In scientific notation, it is written as 6.8989851 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 39260160 positive integers (up to 68989851) that are relatively prime to 68989851.
68989851 has 16 divisors, whose sum is 87967680
The reverse of 68989851 is 15898986
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-eight million nine hundred eighty-nine thousand eight hundred fifty-one
Scientific notation
6.8989851 × 10^7
Engineering notation
6.8989851 × 10^6
Prime Factorization
9 × 7 × 257 × 4261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68989851
Product of the distinct prime numbers
The prime factorization of 68989851 is 9 × 7 × 257 × 4261.
Since it has a total of 4 prime factors.
4 , 2 , 38 , 49 , 590 , 428 , 8940 , 7278 , 7679 , 14096 , 921137 , 402626 , 1208473 , 6909011 , 59528386 , 1732751 , 20370992 , 37940719 , 8355849723 , 9859832895
n×2
137979702
n×3
206969553
n×4
275959404
n×5
344949255
n÷2
34494925.5
n÷3
22996617
n÷3
17247462.75
n÷5
13797970.2
n2
4759599541002201
n3
3.2836406315341E+23
n4
2.2653787790708E+31
n5
1.5628814442666E+39
2 √n
8306.0129424412
3 √n
410.13648242255
4 √n
91.137330125702
5 √n
36.96213436058
1 , 7 , 9 , 63 , 257 , 1799 , 2313 , 4261 , 16191 , 29827 , 38349 , 268443 , 1095077 , 7665539 , 9855693 , 68989851
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
-68989850
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 68989851 can be divided by 16 positive divisors.
The sum of these divisors (counting 68989851) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000111001011001110011011
3
Ternary
11210211001021200
4
Quaternary
10013023032123
5
Quinary
120130133401
6
Senary
10502405243
8
Octal
407131633
10
Decimal
68989851
12
Duodecimal
1b130823
16
Hexadecimal
41cb39b
20
Vigesimal
11b3ecb
36
Base36
152owr
md5
0ecc8a4ea4dfafc7fd3484660dcbb9c5
sha1
1ee8c1849ec8d91e1e0f6129ac1c889e8c3b9c03
sha256
8abdfe030f98db756e652ecb61d1ec4212795d8a0d011ece95e200600d6b3e06
sha512
ea3c04f7df1e3b47046788ce0a0b11a0bcbdf31c2bcc904b416083dad7d468246383a8eb097514b82ccf112b772109c094cac1d974105cbfaa1b31ed9dced285
ripemd-160
75a9fbc8ac524b58c19f89a2bfb6c0a9ccc5fa04
Diameter
137979702
Circumference
433476018.14771
Area
1.4952722952042E+16
Volume
1.3754481713409E+24
Surface area
5.9810891808167E+16
Circumference
433476018.14771
Perimeter
275959404
Area
4759599541002201
Diagonal
97566382.950299
Surface area
28557597246013206
Volume
3.2836406315341E+23
Space diagonal
119493927.13861
Perimeter
206969553
Area
2.0609670571743E+15
Altitude
59746963.569303
Surface area
2.0609670571743E+15
Volume
3.8698075958957E+22
Height
32522127.6501