688045897 is an odd 9-digits composite number following 688045896
and preceding 688045898 . In scientific notation, it is written as 6.88045897 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 512820000 positive integers (up to 688045897) that are relatively prime to 688045897.
688045897 has 16 divisors, whose sum is 831197952
The reverse of 688045897 is 798540886
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred eighty-eight million forty-five thousand eight hundred ninety-seven
Scientific notation
6.88045897 × 10^8
Engineering notation
6.88045897 × 10^6
Prime Factorization
77 × 7 × 23 × 55501
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
688045897
Product of the distinct prime numbers
The prime factorization of 688045897 is 77 × 7 × 23 × 55501.
Since it has a total of 4 prime factors.
10 , 6 , 23 , 95 , 809 , 184 , 903 , 5083 , 14659 , 93190 , 354525 , 212134 , 3010498 , 6142321 , 33105624 , 63373323 , 206127444 , 424129562 , 505493198 , 6112321254
n×2
1376091794
n×3
2064137691
n×4
2752183588
n×5
3440229485
n÷2
344022948.5
n÷3
229348632.33333
n÷3
172011474.25
n÷5
137609179.4
n2
473407156378534609
n3
3.2572585155669E+26
n4
2.2411433571041E+35
n5
1.5420094914443E+44
2 √n
26230.628985977
3 √n
882.82062282572
4 √n
161.9587261804
5 √n
58.549539262609
1 , 7 , 23 , 77 , 161 , 539 , 1771 , 12397 , 55501 , 388507 , 1276523 , 4273577 , 8935661 , 29915039 , 98292271 , 688045897
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
-688045896
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 688045897 can be divided by 16 positive divisors.
The sum of these divisors (counting 688045897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001000000101011111101001001
3
Ternary
1202221200100112101
4
Quaternary
221000223331021
5
Quinary
2402114432042
6
Senary
152135113401
8
Octal
5100537511
10
Decimal
688045897
12
Duodecimal
172512861
16
Hexadecimal
2902bf49
20
Vigesimal
af05eeh
36
Base36
bdn7m1
md5
5cdef8c92957b6d3ce4013df650c78eb
sha1
f4e6a65770011cbe118248d63d7f201c0386c2f2
sha256
1a34c6a3a3a1807eb4ca79bf091d04d5ae1345fb1dd41ef5f4a2fb3632d44a0e
sha512
cc96048545554cc2ebf367e0ede40860d332394f4000a2349607752abd0251bc23ca8e0f548bceddefed146ad5d8808eaf22226de8a7998f11c45757dec0cda6
ripemd-160
ae59842e99ae87385dffce50c0032ed08e621978
Diameter
1376091794
Circumference
4323119870.6956
Area
1.4872524446356E+18
Volume
1.3643972564464E+27
Surface area
5.9490097785426E+18
Circumference
4323119870.6956
Perimeter
2752183588
Area
473407156378534609
Diagonal
973043839.07256
Surface area
2840442938271207654
Volume
3.2572585155669E+26
Space diagonal
1191730451.5433
Perimeter
2064137691
Area
2.0499131187858E+17
Altitude
595865225.77165
Surface area
2.0499131187858E+17
Volume
3.8387159740583E+25
Height
324347946.35752