1681494789 is an odd 10-digits composite number following 1681494788
and preceding 1681494790 . In scientific notation, it is written as 1.681494789 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 1033006848 positive integers (up to 1681494789) that are relatively prime to 1681494789.
1681494789 has 8 divisors, whose sum is 1727542080
The reverse of 1681494789 is 9874941861
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion six hundred eighty-one million four hundred ninety-four thousand seven hundred eighty-nine
Scientific notation
1.681494789 × 10^9
Engineering notation
1.681494789 × 10^9
Prime Factorization
39 × 593 × 72707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1681494789
Product of the distinct prime numbers
The prime factorization of 1681494789 is 39 × 593 × 72707.
Since it has a total of 3 prime factors.
7 , 2 , 73 , 32 , 599 , 664 , 8510 , 1457 , 52027 , 2050 , 400079 , 151841 , 2744566 , 8729364 , 90444988 , 6309175 , 253765116 , 963383989 , 2483968418 , 8044592455
n×2
3362989578
n×3
5044484367
n×4
6725979156
n×5
8407473945
n÷2
840747394.5
n÷3
560498263
n÷3
420373697.25
n÷5
336298957.8
n2
2827424725434154521
n3
4.7542999421073E+27
n4
7.9943305779964E+36
n5
1.3442425208444E+46
2 √n
41006.033568245
3 √n
1189.1368617956
4 √n
202.4994655999
5 √n
70.006619231179
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
-1681494788
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 1681494789 can be divided by 8 positive divisors.
The sum of these divisors (counting 1681494789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100001110011001001100000101
3
Ternary
11100012000210012210
4
Quaternary
1210032121030011
5
Quinary
11420430313124
6
Senary
434504134033
8
Octal
14416311405
10
Decimal
1681494789
12
Duodecimal
3ab167319
16
Hexadecimal
64399305
20
Vigesimal
16596gj9
36
Base36
rt49ol
md5
7565123f573c8ee1bdade846779828e8
sha1
2ec48167d44a3008800dff84e89e9503e08c19d0
sha256
786ba8a3731d2c30436e0688bb7b387746bd5683d2a088cd3b84d2439ebf05dc
sha512
dde4249ec54987142202d66aa69a2131a026ff1a8fd69aeccb80501a6be5d9ddb25eed22a099b214d6bd5b91eced9dded8d16404c247e12e6a65ac06eba3dd2c
ripemd-160
501a3028fee1e58af182ed9d8976379396cf2ea9
Diameter
3362989578
Circumference
10565143352.344
Area
8.8826167460021E+18
Volume
1.9914765028116E+28
Surface area
3.5530466984008E+19
Circumference
10565143352.344
Perimeter
6725979156
Area
2827424725434154521
Diagonal
2377992735.6635
Surface area
1.6964548352605E+19
Volume
4.7542999421073E+27
Space diagonal
2912434407.2103
Perimeter
5044484367
Area
1.2243108197571E+18
Altitude
1456217203.6052
Surface area
1.2243108197571E+18
Volume
5.6029962147648E+26
Height
792664245.22116