689242561 is an odd 9-digits composite number following 689242560
and preceding 689242562 . In scientific notation, it is written as 6.89242561 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 567858240 positive integers (up to 689242561) that are relatively prime to 689242561.
689242561 has 16 divisors, whose sum is 818611200
The reverse of 689242561 is 165242986
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred eighty-nine million two hundred forty-two thousand five hundred sixty-one
Scientific notation
6.89242561 × 10^8
Engineering notation
6.89242561 × 10^6
Prime Factorization
7 × 31 × 149 × 21317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
689242561
Product of the distinct prime numbers
The prime factorization of 689242561 is 7 × 31 × 149 × 21317.
Since it has a total of 4 prime factors.
4 , 10 , 91 , 76 , 595 , 646 , 8285 , 781 , 59919 , 90307 , 867836 , 344262 , 9892304 , 1487260 , 85351084 , 91846027 , 495261099 , 610685913 , 806825737 , 7899423912
n×2
1378485122
n×3
2067727683
n×4
2756970244
n×5
3446212805
n÷2
344621280.5
n÷3
229747520.33333
n÷3
172310640.25
n÷5
137848512.2
n2
475055307893838721
n3
3.2742833702939E+26
n4
2.2567754555811E+35
n5
1.5554656946067E+44
2 √n
26253.429509304
3 √n
883.33213317348
4 √n
162.02910081002
5 √n
58.569891228707
1 , 7 , 31 , 149 , 217 , 1043 , 4619 , 21317 , 32333 , 149219 , 660827 , 3176233 , 4625789 , 22233631 , 98463223 , 689242561
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
-689242560
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 689242561 can be divided by 16 positive divisors.
The sum of these divisors (counting 689242561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001000101010000000111000001
3
Ternary
1210000221011001021
4
Quaternary
221011100013001
5
Quinary
2402421230221
6
Senary
152220505441
8
Octal
5105200701
10
Decimal
689242561
12
Duodecimal
1729ab281
16
Hexadecimal
291501c1
20
Vigesimal
af7f681
36
Base36
becuyp
md5
5ddc577b7dfa2a334da2fff126a41a76
sha1
3a42f55ae58c824871c9f84648f5e290a62ddde1
sha256
5e5745b45bd9f45ef394b3e08f07ddbef230e4fea3f3b3354299df16115abf4f
sha512
dad3169501516d21b361a88b94d6d2b2ae50cd064a47a2ce7ebb97e92012f59578d71264c9e73c06f72f181a64a6cca16b60cae2ceb43ee1f2f9394caf3593da
ripemd-160
2ba136feb0055423ce29cc739c4f547ff6020058
Diameter
1378485122
Circumference
4330638732.358
Area
1.4924302653281E+18
Volume
1.3715286109182E+27
Surface area
5.9697210613125E+18
Circumference
4330638732.358
Perimeter
2756970244
Area
475055307893838721
Diagonal
974736177.53097
Surface area
2850331847363032326
Volume
3.2742833702939E+26
Space diagonal
1193803134.3909
Perimeter
2067727683
Area
2.0570498241935E+17
Altitude
596901567.19545
Surface area
2.0570498241935E+17
Volume
3.8587799577686E+25
Height
324912059.17699