85961981 (number)

85961981 is an odd 8-digits composite number following 85961980 and preceding 85961982. In scientific notation, it is written as 8.5961981 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 72992448 positive integers (up to 85961981) that are relatively prime to 85961981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.5961981 × 10^7
Engineering notation 8.5961981 × 10^6

Prime Factorization of 85961981

Prime Factorization 7 × 107 × 114769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 85961981
Product of the distinct prime numbers

The prime factorization of 85961981 is 7 × 107 × 114769. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 85961981)

Multiplication

n×y
n×2 171923962
n×3 257885943
n×4 343847924
n×5 429809905

Division

n÷y
n÷2 42980990.5
n÷3 28653993.666667
n÷3 21490495.25
n÷5 17192396.2

Exponentiation

ny
n2 7389462177444361
n3 6.3521280729769E+23
n4 5.4604151271881E+31
n5 4.6938810141545E+39

Nth Root

y√n
2√n 9271.5684217936
3√n 441.33544167437
4√n 96.288983906746
5√n 38.624358822489

Divisors of 85961981

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 -85961980
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 85961981 can be divided by 8 positive divisors. The sum of these divisors (counting 85961981) is 1, the average is 0.125.

Base conversion 85961981

Base System Value
2 Binary 101000111111010110011111101
3 Ternary 12222202022200002
4 Quaternary 11013322303331
5 Quinary 134001240411
6 Senary 12310244045
8 Octal 507726375
10 Decimal 85961981
12 Duodecimal 24956625
16 Hexadecimal 51facfd
20 Vigesimal 16h54j1
36 Base36 1f6got

Cryptographic Hash Functions

md5 a5f4392c1438355e4c83dc663c63675d
sha1 c9b91f615b481aa9d0e54b6f6a698472b46113fa
sha256 162edd6035c5c9b17973ad080e26711ba46d28bec570910155c8e494cb6c4fff
sha512 1a63adfa8c9eb4298914d54054d550c92225c9bdce5f11decbc71f7576d4c53863bb9aaa33db5558952752de514992d9963ff54c9e6a7aed1961c0b70cffde32
ripemd-160 ac923ce33b956a91c6748d409e8604bda54d0406

85961981 as geometric shapes

Circle

Radius = n
Diameter 171923962
Circumference 540115055.99525
Area 2.3214680090639E+16

Sphere

Radius = n
Volume 2.6607731851634E+24
Surface area 9.2858720362555E+16
Circumference 540115055.99525

Square

Length = n
Perimeter 343847924
Area 7389462177444361
Diagonal 121568599.37866

Cube

Length = n
Surface area 44336773064666166
Volume 6.3521280729769E+23
Space diagonal 148890518.61127

Equilateral Triangle

Length = n
Perimeter 257885943
Area 3.1997309829855E+15
Altitude 74445259.305635

Triangular Pyramid

Length = n
Surface area 3.1997309829855E+15
Volume 7.4860547256123E+22
Height 40522866.459553