681445871 is an odd 9-digits composite number following 681445870
and preceding 681445872 . In scientific notation, it is written as 6.81445871 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 658607680 positive integers (up to 681445871) that are relatively prime to 681445871.
681445871 has 8 divisors, whose sum is 704595024
The reverse of 681445871 is 178544186
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred eighty-one million four hundred forty-five thousand eight hundred seventy-one
Scientific notation
6.81445871 × 10^8
Engineering notation
6.81445871 × 10^6
Prime Factorization
41 × 107 × 155333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681445871
Product of the distinct prime numbers
The prime factorization of 681445871 is 41 × 107 × 155333.
Since it has a total of 3 prime factors.
10 , 5 , 32 , 42 , 779 , 559 , 9440 , 3632 , 61431 , 27886 , 365153 , 364126 , 9838793 , 2081413 , 41443460 , 68283482 , 756252406 , 762077067 , 175505730 , 333012939
n×2
1362891742
n×3
2044337613
n×4
2725783484
n×5
3407229355
n÷2
340722935.5
n÷3
227148623.66667
n÷3
170361467.75
n÷5
136289174.2
n2
464368475102948641
n3
3.1644197998147E+26
n4
2.1563808066944E+35
n5
1.4694567970255E+44
2 √n
26104.518210455
3 √n
879.98875286934
4 √n
161.56892711922
5 √n
58.436779405042
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
-681445870
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 681445871 can be divided by 8 positive divisors.
The sum of these divisors (counting 681445871) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000100111100000100111101111
3
Ternary
1202111021000222222
4
Quaternary
220213200213233
5
Quinary
2343422231441
6
Senary
151341425555
8
Octal
5047404757
10
Decimal
681445871
12
Duodecimal
17026b2bb
16
Hexadecimal
289e09ef
20
Vigesimal
acj0edb
36
Base36
b9pqzz
md5
64bce36ae2d61cb8b52b8b11a6dfdca3
sha1
c302865d30958c448b13875939e9464b94fc3749
sha256
43d4a00ab4a55f4280d1de403fdb17292b07cf460d282a9a26d54e2bc443fcfc
sha512
8128b81c5efa86216e733e0728115b181b8d451e29b6f44175e68a74b196613ec4d67e5e92f226af8b63480f0fbc48da22eca935d72f12470aed2c3724f35fad
ripemd-160
74aa1d0fbe46ffdd784e36ce316bc96f2f42d6cc
Diameter
1362891742
Circumference
4281650684.3054
Area
1.4588565899421E+18
Volume
1.3255090661296E+27
Surface area
5.8354263597685E+18
Circumference
4281650684.3054
Perimeter
2725783484
Area
464368475102948641
Diagonal
963709992.79135
Surface area
2786210850617691846
Volume
3.1644197998147E+26
Space diagonal
1180298871.18
Perimeter
2044337613
Area
2.010774480779E+17
Altitude
590149435.59001
Surface area
2.010774480779E+17
Volume
3.7293044982833E+25
Height
321236664.26378