85812981 (number)

85812981 is an odd 8-digits composite number following 85812980 and preceding 85812982. In scientific notation, it is written as 8.5812981 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 57208652 positive integers (up to 85812981) that are relatively prime to 85812981.

Interesting facts

Basic properties

Name

Name eighty-five million eight hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 8.5812981 × 10^7
Engineering notation 8.5812981 × 10^6

Prime Factorization of 85812981

Prime Factorization 3 × 28604327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 85812981
Product of the distinct prime numbers

The prime factorization of 85812981 is 3 × 28604327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 85812981)

Multiplication

n×y
n×2 171625962
n×3 257438943
n×4 343251924
n×5 429064905

Division

n÷y
n÷2 42906490.5
n÷3 28604327
n÷3 21453245.25
n÷5 17162596.2

Exponentiation

ny
n2 7363867708106361
n3 6.3191543972224E+23
n4 5.4226547622492E+31
n5 4.6533417008245E+39

Nth Root

y√n
2√n 9263.5296188872
3√n 441.08030170607
4√n 96.247231746618
5√n 38.610959820546

Divisors of 85812981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -85812980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 85812981 can be divided by 4 positive divisors. The sum of these divisors (counting 85812981) is 1, the average is 0.25.

Base conversion 85812981

Base System Value
2 Binary 101000111010110011011110101
3 Ternary 12222110202021120
4 Quaternary 11013112123311
5 Quinary 133432003411
6 Senary 12303134153
8 Octal 507263365
10 Decimal 85812981
12 Duodecimal 248a4359
16 Hexadecimal 51d66f5
20 Vigesimal 16g6c91
36 Base36 1f39px

Cryptographic Hash Functions

md5 70714000112f95aa9fb1b3ac4d551906
sha1 c511b1513e3bde75eb2dac4c07b40a73ccac74ec
sha256 41b05e44151921850e96809d6dacee53f84ff3225fc41f289d6f4c67cb442488
sha512 657d2d61910aae02eecda3f1b2af215f14a84ee954388e25d355cb648725508a9c11b03df84063aa1696d96e90e11c1815bb28e13435ee87d475ddf04b228e0b
ripemd-160 0f5a6704c5f6e29f903131390e778b02334ca2ae

85812981 as geometric shapes

Circle

Radius = n
Diameter 171625962
Circumference 539178861.38448
Area 2.3134272693794E+16

Sphere

Radius = n
Volume 2.6469612041618E+24
Surface area 9.2537090775176E+16
Circumference 539178861.38448

Square

Length = n
Perimeter 343251924
Area 7363867708106361
Diagonal 121357881.55786

Cube

Length = n
Surface area 44183206248638166
Volume 6.3191543972224E+23
Space diagonal 148632443.04094

Equilateral Triangle

Length = n
Perimeter 257438943
Area 3.188648252664E+15
Altitude 74316221.520471

Triangular Pyramid

Length = n
Surface area 3.188648252664E+15
Volume 7.447194876068E+22
Height 40452627.185955