681640285 is an odd 9-digits composite number following 681640284
and preceding 681640286 . In scientific notation, it is written as 6.81640285 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 545100240 positive integers (up to 681640285) that are relatively prime to 681640285.
681640285 has 8 divisors, whose sum is 818286336
The reverse of 681640285 is 582046186
Previous prime number is 2711
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred eighty-one million six hundred forty thousand two hundred eighty-five
Scientific notation
6.81640285 × 10^8
Engineering notation
6.81640285 × 10^6
Prime Factorization
5 × 2711 × 50287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
681640285
Product of the distinct prime numbers
The prime factorization of 681640285 is 5 × 2711 × 50287.
Since it has a total of 3 prime factors.
10 , 6 , 40 , 73 , 705 , 670 , 7207 , 8578 , 97974 , 43383 , 881700 , 459328 , 4142180 , 278989 , 56633426 , 27128211 , 814340165 , 761988205 , 1204484586 , 3581897346
n×2
1363280570
n×3
2044920855
n×4
2726561140
n×5
3408201425
n÷2
340820142.5
n÷3
227213428.33333
n÷3
170410071.25
n÷5
136328057
n2
464633478134881225
n3
3.167128964564E+26
n4
2.1588426900372E+35
n5
1.4715541465071E+44
2 √n
26108.241706404
3 √n
880.07243076343
4 √n
161.58044964167
5 √n
58.440113384231
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
-681640284
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 681640285 can be divided by 8 positive divisors.
The sum of these divisors (counting 681640285) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000101000010000000101011101
3
Ternary
1202111121220200111
4
Quaternary
220220100011131
5
Quinary
2343444442120
6
Senary
151345530021
8
Octal
5050200535
10
Decimal
681640285
12
Duodecimal
170343911
16
Hexadecimal
28a1015d
20
Vigesimal
ad050e5
36
Base36
b9tx0d
md5
9234be0759fba11017ef9196789993d9
sha1
8ff75e2d1a45271ea303e5fa79d96fe82d3f35b0
sha256
dedede9b46f91fdd4ecff1c4e082ab57d649bd3929bd95a8ac0b1c0faa22c2e0
sha512
389e24bf27bf5bcbd9c80394e8cd3ac8b6a94a9740dcd1863c58dd651bd8bd89cff745672253673e111d6997d977d1fee10b91da0f618aa91095e3f330339f5a
ripemd-160
3a87e344417b066837df6051a7339c11e9638e00
Diameter
1363280570
Circumference
4282872223.4937
Area
1.4596891215204E+18
Volume
1.3266438784061E+27
Surface area
5.8387564860817E+18
Circumference
4282872223.4937
Perimeter
2726561140
Area
464633478134881225
Diagonal
963984935.70686
Surface area
2787800868809287350
Volume
3.167128964564E+26
Space diagonal
1180635606.1057
Perimeter
2044920855
Area
2.0119219775676E+17
Altitude
590317803.05286
Surface area
2.0119219775676E+17
Volume
3.7324972795592E+25
Height
321328311.90229