689968791 is an odd 9-digits composite number following 689968790
and preceding 689968792 . In scientific notation, it is written as 6.89968791 × 10^8.
The sum of its digits is 63. It has a total of 4 prime factors and 12 positive divisors.
There are 454436784 positive integers (up to 689968791) that are relatively prime to 689968791.
689968791 has 12 divisors, whose sum is 1008630168
The reverse of 689968791 is 197869986
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred eighty-nine million nine hundred sixty-eight thousand seven hundred ninety-one
Scientific notation
6.89968791 × 10^8
Engineering notation
6.89968791 × 10^6
Prime Factorization
3 × 3 × 83 × 923653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
229989597
Product of the distinct prime numbers
The prime factorization of 689968791 is 3 × 3 × 83 × 923653.
Since it has a total of 4 prime factors.
8 , 2 , 54 , 18 , 176 , 216 , 6754 , 6295 , 67332 , 29061 , 55968 , 384642 , 3825669 , 78409 , 44674159 , 53417375 , 750637905 , 722347761 , 2016422141 , 3710792512
n×2
1379937582
n×3
2069906373
n×4
2759875164
n×5
3449843955
n÷2
344984395.5
n÷3
229989597
n÷3
172492197.75
n÷5
137993758.2
n2
476056932554001681
n3
3.2846442620145E+26
n4
2.2663020303273E+35
n5
1.5636776719057E+44
2 √n
26267.257013248
3 √n
883.64226933061
4 √n
162.07176500935
5 √n
58.582228625935
1 , 3 , 9 , 83 , 249 , 747 , 923653 , 2770959 , 8312877 , 76663199 , 229989597 , 689968791
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
-689968790
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 689968791 can be divided by 12 positive divisors.
The sum of these divisors (counting 689968791) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001001000000001011010010111
3
Ternary
1210002022001020200
4
Quaternary
221020001122113
5
Quinary
2403113000131
6
Senary
152244231543
8
Octal
5110013227
10
Decimal
689968791
12
Duodecimal
17309b5b3
16
Hexadecimal
29201697
20
Vigesimal
afc61jb
36
Base36
besfbr
md5
8f8ead9f4e9cfd3e752c6f9caf958f77
sha1
3fc5e9cd9af5a233c99a3bc6e3f6782c018939f0
sha256
f7a51b2185cf9d8d05f34563bccbd0ecd1641e093ffbe7d1d4e93769e82a3752
sha512
d9a04b296007ddcc3c891c8c63f5a57cd982994967e180326ba82d7cef686849c1a544755202a5ac28b439cb8e752fc245cad830ea56c4a285cdf508ea462434
ripemd-160
855d15bd0d0b7719ad9c2be588049a4aeee5070d
Diameter
1379937582
Circumference
4335201770.0237
Area
1.4955769620021E+18
Volume
1.3758685710934E+27
Surface area
5.9823078480086E+18
Circumference
4335201770.0237
Perimeter
2759875164
Area
476056932554001681
Diagonal
975763221.84637
Surface area
2856341595324010086
Volume
3.2846442620145E+26
Space diagonal
1195061001.6489
Perimeter
2069906373
Area
2.0613869861973E+17
Altitude
597530500.82444
Surface area
2.0613869861973E+17
Volume
3.8709903857599E+25
Height
325254407.28212