1689949251 is an odd 10-digits composite number following 1689949250
and preceding 1689949252 . In scientific notation, it is written as 1.689949251 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 1123639776 positive integers (up to 1689949251) that are relatively prime to 1689949251.
1689949251 has 8 divisors, whose sum is 1715358000
The reverse of 1689949251 is 1529499861
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion six hundred eighty-nine million nine hundred forty-nine thousand two hundred fifty-one
Scientific notation
1.689949251 × 10^9
Engineering notation
1.689949251 × 10^9
Prime Factorization
81 × 379 × 55049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1689949251
Product of the distinct prime numbers
The prime factorization of 1689949251 is 81 × 379 × 55049.
Since it has a total of 3 prime factors.
1 , 6 , 61 , 84 , 892 , 695 , 6887 , 1656 , 57585 , 96700 , 135909 , 345551 , 8736435 , 3336678 , 19269373 , 14458471 , 698885451 , 228702603 , 926010398 , 4360945835
n×2
3379898502
n×3
5069847753
n×4
6759797004
n×5
8449746255
n÷2
844974625.5
n÷3
563316417
n÷3
422487312.75
n÷5
337989850.2
n2
2855928470955461001
n3
4.8263741804008E+27
n4
8.156327431214E+36
n5
1.3783779433291E+46
2 √n
41108.992337444
3 √n
1191.1265021808
4 √n
202.75352607894
5 √n
70.076875949428
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1689949250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1689949251 can be divided by 8 positive divisors.
The sum of these divisors (counting 1689949251) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100101110101001010001000011
3
Ternary
11100202221022120000
4
Quaternary
1210232221101003
5
Quinary
11430111334001
6
Senary
435405251043
8
Octal
14456512103
10
Decimal
1689949251
12
Duodecimal
3b1b63a83
16
Hexadecimal
64ba9443
20
Vigesimal
16823d2b
36
Base36
ry5h6r
md5
9da340c8b06d5ca564551d3de200c1b0
sha1
17dfb7252ebae3175018f3401adfbe65ab7bfd38
sha256
0a9a0dc42c07959352f7070a2214f30ba5c8d7b56f45fcc62afb2ddca2a564e7
sha512
eae8b468a6043e653db5657930dd677e6213f605af8e7756e077580f89a73e38b81f5840cada37ce4153eb4e168153e552f0d6766e067465300e04fa41b5ff07
ripemd-160
c51dc561641f38b69fc55d507c0993fe80ff70f2
Diameter
3379898502
Circumference
10618264303.762
Area
8.9721639035316E+18
Volume
2.0216668891497E+28
Surface area
3.5888655614126E+19
Circumference
10618264303.762
Perimeter
6759797004
Area
2855928470955461001
Diagonal
2389949150.4865
Surface area
1.7135570825733E+19
Volume
4.8263741804008E+27
Space diagonal
2927077964.945
Perimeter
5069847753
Area
1.2366533036193E+18
Altitude
1463538982.4725
Surface area
1.2366533036193E+18
Volume
5.6879365191751E+26
Height
796649716.82882