681445870 is an even 9-digits composite number following 681445869
and preceding 681445871 . In scientific notation, it is written as 6.81445870 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 229677216 positive integers (up to 681445870) that are relatively prime to 681445870.
681445870 has 16 divisors, whose sum is 1172160000
The reverse of 681445870 is 078544186
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred eighty-one million four hundred forty-five thousand eight hundred seventy
Scientific notation
6.81445870 × 10^8
Engineering notation
6.81445870 × 10^6
Prime Factorization
2 × 295 × 7 × 164999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
681445870
Product of the distinct prime numbers
The prime factorization of 681445870 is 2 × 295 × 7 × 164999.
Since it has a total of 4 prime factors.
10 , 5 , 78 , 48 , 360 , 484 , 3088 , 8448 , 49065 , 75647 , 316281 , 862577 , 4109727 , 6597898 , 38183763 , 64326112 , 222607815 , 158568527 , 7595502107 , 2801860198
n×2
1362891740
n×3
2044337610
n×4
2725783480
n×5
3407229350
n÷2
340722935
n÷3
227148623.33333
n÷3
170361467.5
n÷5
136289174
n2
464368473740056900
n3
3.1644197858837E+26
n4
2.1563807940367E+35
n5
1.4694567862436E+44
2 √n
26104.518191302
3 √n
879.98875243889
4 √n
161.56892705994
5 √n
58.436779387891
1 , 2 , 7 , 14 , 295 , 590 , 2065 , 4130 , 164999 , 329998 , 1154993 , 2309986 , 48674705 , 97349410 , 340722935 , 681445870
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
-681445869
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 681445870 can be divided by 16 positive divisors.
The sum of these divisors (counting 681445870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000100111100000100111101110
3
Ternary
1202111021000222221
4
Quaternary
220213200213232
5
Quinary
2343422231440
6
Senary
151341425554
8
Octal
5047404756
10
Decimal
681445870
12
Duodecimal
17026b2ba
16
Hexadecimal
289e09ee
20
Vigesimal
acj0eda
36
Base36
b9pqzy
md5
87fcd7e85966f268de92e1cc0d048165
sha1
088cb1f9d479e636a47f442be8681839bf705b7b
sha256
8c7d2c6e9837fb0c802b2b7491553cfa45c6df62b1e09cc15d9d619383b32823
sha512
8ca0ae9c06304ec2d8415d742017d5c83e32f072a64486c5851a137909390a0cfd1885036e4ba63059a4499b79f20d26604223dea7d74b39d7024ad567b7abd7
ripemd-160
280278adcab0de63a0b99c7439885cce39a7658a
Diameter
1362891740
Circumference
4281650678.0222
Area
1.4588565856605E+18
Volume
1.3255090602942E+27
Surface area
5.8354263426419E+18
Circumference
4281650678.0222
Perimeter
2725783480
Area
464368473740056900
Diagonal
963709991.37713
Surface area
2786210842440341400
Volume
3.1644197858837E+26
Space diagonal
1180298869.448
Perimeter
2044337610
Area
2.0107744748775E+17
Altitude
590149434.72399
Surface area
2.0107744748775E+17
Volume
3.7293044818654E+25
Height
321236663.79238