681742018 is an even 9-digits composite number following 681742017
and preceding 681742019 . In scientific notation, it is written as 6.81742018 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 324949680 positive integers (up to 681742018) that are relatively prime to 681742018.
681742018 has 16 divisors, whose sum is 1071362304
The reverse of 681742018 is 810247186
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
six hundred eighty-one million seven hundred forty-two thousand eighteen
Scientific notation
6.81742018 × 10^8
Engineering notation
6.81742018 × 10^6
Prime Factorization
2 × 31 × 67 × 164117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
681742018
Product of the distinct prime numbers
The prime factorization of 681742018 is 2 × 31 × 67 × 164117.
Since it has a total of 4 prime factors.
9 , 7 , 56 , 79 , 21 , 159 , 4158 , 502 , 40946 , 42876 , 299737 , 78941 , 9535114 , 6767921 , 99583792 , 70392375 , 114067129 , 866972831 , 6416022857 , 6944100966
n×2
1363484036
n×3
2045226054
n×4
2726968072
n×5
3408710090
n÷2
340871009
n÷3
227247339.33333
n÷3
170435504.5
n÷5
136348403.6
n2
464772179106712324
n3
3.1685472329447E+26
n4
2.160131784716E+35
n5
1.4726526020582E+44
2 √n
26110.18992654
3 √n
880.11621140883
4 √n
161.58647816739
5 √n
58.441857686406
1 , 2 , 31 , 62 , 67 , 134 , 2077 , 4154 , 164117 , 328234 , 5087627 , 10175254 , 10995839 , 21991678 , 340871009 , 681742018
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
-681742017
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 681742018 can be divided by 16 positive divisors.
The sum of these divisors (counting 681742018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000101000101000111011000010
3
Ternary
1202111211002020101
4
Quaternary
220220220323002
5
Quinary
2344011221033
6
Senary
151352033014
8
Octal
5050507302
10
Decimal
681742018
12
Duodecimal
17039276a
16
Hexadecimal
28a28ec2
20
Vigesimal
ad0hf0i
36
Base36
b9w3ia
md5
7427df8d15938916cade0b61d28bf228
sha1
59d351f7b794c6544282791e98a1f7f31698f735
sha256
b93499ca81f94a9395ad2e13b67cbb852648737588363f2f5e05b481017b8e34
sha512
0337fd17671ac2966ce47c9c16b8ac4c00271c1587046c70cfae71e63a501565e356147fd7401789b7f08ea25f2db0a449c4e93ff65efc4a3ab37f63350dfc53
ripemd-160
722c63d9a9053ca9159b59875ec74b8c51b5dc77
Diameter
1363484036
Circumference
4283511430.7846
Area
1.4601248634746E+18
Volume
1.3272379612762E+27
Surface area
5.8404994538983E+18
Circumference
4283511430.7846
Perimeter
2726968072
Area
464772179106712324
Diagonal
964128807.8952
Surface area
2788633074640273944
Volume
3.1685472329447E+26
Space diagonal
1180811812.8305
Perimeter
2045226054
Area
2.0125225703933E+17
Altitude
590405906.41527
Surface area
2.0125225703933E+17
Volume
3.7341687248751E+25
Height
321376269.2984