85707981 (number)

85707981 is an odd 8-digits composite number following 85707980 and preceding 85707982. In scientific notation, it is written as 8.5707981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 56989440 positive integers (up to 85707981) that are relatively prime to 85707981.

Interesting facts

Basic properties

Name

Name eighty-five million seven hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 8.5707981 × 10^7
Engineering notation 8.5707981 × 10^6

Prime Factorization of 85707981

Prime Factorization 3 × 3 × 389 × 24481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28569327
Product of the distinct prime numbers

The prime factorization of 85707981 is 3 × 3 × 389 × 24481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 85707981)

Multiplication

n×y
n×2 171415962
n×3 257123943
n×4 342831924
n×5 428539905

Division

n÷y
n÷2 42853990.5
n÷3 28569327
n÷3 21426995.25
n÷5 17141596.2

Exponentiation

ny
n2 7345858007096361
n3 6.2959865850091E+23
n4 5.3961629860422E+31
n5 4.6249423468061E+39

Nth Root

y√n
2√n 9257.8604979768
3√n 440.90032763705
4√n 96.217776413596
5√n 38.601506387182

Divisors of 85707981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -85707980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 85707981 can be divided by 12 positive divisors. The sum of these divisors (counting 85707981) is 1, the average is 0.083333333333333.

Base conversion 85707981

Base System Value
2 Binary 101000110111100110011001101
3 Ternary 12222021102020200
4 Quaternary 11012330303031
5 Quinary 133420123411
6 Senary 12301004113
8 Octal 506746315
10 Decimal 85707981
12 Duodecimal 24853639
16 Hexadecimal 51bcccd
20 Vigesimal 16fd9j1
36 Base36 1f10p9

Cryptographic Hash Functions

md5 fa90d0eb5b4b9c1822135796cc52083c
sha1 9911025872a1f487e3088ebb1216881f81c73c69
sha256 747dd321e2bb46ff5f3189178afeae5a8bba94bb53b816da1b0a06e7feb3a23b
sha512 1c86e444793714911f29f8758fb42810879f550ba49a1a273e21cc67ed172b43a9ae98a933d68f9d918048bcdf056b8afc1169562d287e284f0cd03ad0310a65
ripemd-160 22ecf75cae17dab3589b9de2b4d77bc536e2ff7d

85707981 as geometric shapes

Circle

Radius = n
Diameter 171415962
Circumference 538519126.92723
Area 2.3077693549408E+16

Sphere

Radius = n
Volume 2.6372566936753E+24
Surface area 9.2310774197631E+16
Circumference 538519126.92723

Square

Length = n
Perimeter 342831924
Area 7345858007096361
Diagonal 121209389.13382

Cube

Length = n
Surface area 44075148042578166
Volume 6.2959865850091E+23
Space diagonal 148450577.70615

Equilateral Triangle

Length = n
Perimeter 257123943
Area 3.1808498233694E+15
Altitude 74225288.853074

Triangular Pyramid

Length = n
Surface area 3.1808498233694E+15
Volume 7.4198913475325E+22
Height 40403129.711272