1681445845 is an odd 10-digits composite number following 1681445844
and preceding 1681445846 . In scientific notation, it is written as 1.681445845 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 1344291984 positive integers (up to 1681445845) that are relatively prime to 1681445845.
1681445845 has 8 divisors, whose sum is 2019032064
The reverse of 1681445845 is 5485441861
Previous prime number is 1567
Is Prime? no Number parity odd Number length 10 Sum of Digits 46 Digital Root 1
Name
one billion six hundred eighty-one million four hundred forty-five thousand eight hundred forty-five
Scientific notation
1.681445845 × 10^9
Engineering notation
1.681445845 × 10^9
Prime Factorization
5 × 1567 × 214607
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1681445845 Product of the distinct prime numbers
The prime factorization of 1681445845 is 5 × 1567 × 214607.
Since it has a total of 3 prime factors.
2 , 3 , 1 , 78 , 12 , 384 , 5860 , 5487 , 6553 , 62363 , 894372 , 763027 , 7426188 , 2615905 , 80216979 , 82440727 , 871647194 , 268231563 , 6884724396 , 5758657228
n×2
3362891690
n×3
5044337535
n×4
6725783380
n×5
8407229225
n÷2
840722922.5
n÷3
560481948.33333
n÷3
420361461.25
n÷5
336289169
n2
2827260129667764025
n3
4.753884797764E+27
n4
7.993399840809E+36
n5
1.3440468949752E+46
2 √n41005.436773677
3 √n1189.125324109
4 √n202.49799202381
5 √n70.006211683812
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
-1681445844 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 1681445845 can be divided by 8 positive divisors.
The sum of these divisors (counting 1681445845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100001110001101001111010101
3
Ternary
11100011221022002001
4
Quaternary
1210032031033111
5
Quinary
11420422231340
6
Senary
434503115301
8
Octal
14416151725
10
Decimal
1681445845
12
Duodecimal
3ab142b31
16
Hexadecimal
6438d3d5
20
Vigesimal
16590ec5
36
Base36
rt37x1
md5
fa9d885fb5c1aea048a57b180b643b4a
sha1
5c4d8c0a5d7dfa63fa6c55dfa3b329636a3cbc78
sha256
ec0f2a4b09e2281eff8324ade5878056bd48571e88a68d0709917e221362df42
sha512
5941297947702e65d8c89d76f301ffca990ade9d496167612a023f6ec4e0972fdba58ba477d815d388735fc2e17a69c05744ea944fa4f4da8223d8616dcd909d
ripemd-160
feb36d40dc333b858bb45cdea25290669b402c8c
Diameter
3362891690
Circumference
10564835828.122
Area
8.8820996531516E+18
Volume
1.9913026075557E+28
Surface area
3.5528398612606E+19
Circumference
10564835828.122
Perimeter
6725783380
Area
2827260129667764025
Diagonal
2377923518.3949
Surface area
1.6963560778007E+19
Volume
4.753884797764E+27
Space diagonal
2912349633.7156
Perimeter
5044337535
Area
1.2242395476996E+18
Altitude
1456174816.8578
Surface area
1.2242395476996E+18
Volume
5.6025069624643E+26
Height
792641172.7983