685055981 (number)

685055981 is an odd 9-digits prime number following 685055980 and preceding 685055982. In scientific notation, it is written as 6.85055981 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 685055980 positive integers (up to 685055981) that are relatively prime to 685055981.

Interesting facts

Basic properties

Name

Name six hundred eighty-five million fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 6.85055981 × 10^8
Engineering notation 6.85055981 × 10^6

Prime Factorization of 685055981

Prime Factorization 685055981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 685055981
Product of the distinct prime numbers

The prime factorization of 685055981 is 685055981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 10, 87, 94, 757, 906, 6627, 3482, 18249, 91943, 638648, 24624, 6295285, 6876130, 12003557, 9016165, 549959632, 848300461, 9750956601, 9909247603

Basic calculations (n = 685055981)

Multiplication

n×y
n×2 1370111962
n×3 2055167943
n×4 2740223924
n×5 3425279905

Division

n÷y
n÷2 342527990.5
n÷3 228351993.66667
n÷3 171263995.25
n÷5 137011196.2

Exponentiation

ny
n2 469301697103872361
n3 3.2149793449446E+26
n4 2.2024408290457E+35
n5 1.5087952627364E+44

Nth Root

y√n
2√n 26173.574096787
3√n 881.5399949916
4√n 161.78249008093
5√n 58.498564963295

Divisors of 685055981

1, 685055981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 685055982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 342527991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 26173.57411589
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999970805
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 685055981 can be divided by 2 positive divisors. The sum of these divisors (counting 685055981) is 685055982, the average is 342527991.

Base conversion 685055981

Base System Value
2 Binary 101000110101010001111111101101
3 Ternary 1202202001110010202
4 Quaternary 220311101333231
5 Quinary 2400333242411
6 Senary 151551043245
8 Octal 5065217755
10 Decimal 685055981
12 Duodecimal 171510525
16 Hexadecimal 28d51fed
20 Vigesimal ae1bjj1
36 Base36 bbv4kt

Cryptographic Hash Functions

md5 4d4e253c17aeeb60ea318d859fb40f10
sha1 8824213c7b529ef7d241316612749e87f3e211d4
sha256 6283f7418f22a5d7ed31686184ad3a7edb54994fda61714cde777020de9532bc
sha512 0c129b268ee97c8f89ae42641adf3c92c8bb8ed17abc10572856196b3ef30f7531483c6acccc7e1cc15f7ea436f496cbb20d5e78ea289b96afd383c22c7d4125
ripemd-160 575fcc9825ae624d67b46901696a5cccad184427

685055981 as geometric shapes

Circle

Radius = n
Diameter 1370111962
Circumference 4304333674.4147
Area 1.4743547639387E+18

Sphere

Radius = n
Volume 1.3466873988694E+27
Surface area 5.897419055755E+18
Circumference 4304333674.4147

Square

Length = n
Perimeter 2740223924
Area 469301697103872361
Diagonal 968815459.31501

Cube

Length = n
Surface area 2815810182623234166
Volume 3.2149793449446E+26
Space diagonal 1186551765.1209

Equilateral Triangle

Length = n
Perimeter 2055167943
Area 2.0321359586555E+17
Altitude 593275882.56047

Triangular Pyramid

Length = n
Surface area 2.0321359586555E+17
Volume 3.7888894936417E+25
Height 322938486.43834