161036985 (number)

161036985 is an odd 9-digits composite number following 161036984 and preceding 161036986. In scientific notation, it is written as 1.61036985 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 85886384 positive integers (up to 161036985) that are relatively prime to 161036985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61036985 × 10^8
Engineering notation 1.61036985 × 10^6

Prime Factorization of 161036985

Prime Factorization 3 × 5 × 10735799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161036985
Product of the distinct prime numbers

The prime factorization of 161036985 is 3 × 5 × 10735799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161036985)

Multiplication

n×y
n×2 322073970
n×3 483110955
n×4 644147940
n×5 805184925

Division

n÷y
n÷2 80518492.5
n÷3 53678995
n÷3 40259246.25
n÷5 32207397

Exponentiation

ny
n2 25932910537890225
n3 4.1761577252966E+24
n4 6.7251584896622E+32
n5 1.0829992468224E+41

Nth Root

y√n
2√n 12690.034869928
3√n 544.05383626837
4√n 112.65005490424
5√n 43.791026563464

Divisors of 161036985

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 -161036984
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 161036985 can be divided by 8 positive divisors. The sum of these divisors (counting 161036985) is 1, the average is 0.125.

Base conversion 161036985

Base System Value
2 Binary 1001100110010011101010111001
3 Ternary 102020000112012210
4 Quaternary 21212103222321
5 Quinary 312211140420
6 Senary 23551325333
8 Octal 1146235271
10 Decimal 161036985
12 Duodecimal 45b20849
16 Hexadecimal 9993ab9
20 Vigesimal 2a69c95
36 Base36 2nvkxl

Cryptographic Hash Functions

md5 8e151aabb3a726a4b9a328e9e9356020
sha1 d52a258a5ae3dd8651798726ceabaafba642ca90
sha256 4b19d5db9c2d02f5ee06ecb3aa6fdc59a48453324255d82b2c5cc951db77adfe
sha512 49611654c518362c51f544fbbb7810dd2df7511126217094fd4176aaf82ce8ea4850d08d67ee4ee5956c4e4fb532e6d910f0172080ab15b62138f3c46d20b468
ripemd-160 7d20715aa535e32481b886bc6e8084c960a46bf6

161036985 as geometric shapes

Circle

Radius = n
Diameter 322073970
Circumference 1011825218.0645
Area 8.1470641232037E+16

Sphere

Radius = n
Volume 1.7493048573365E+25
Surface area 3.2588256492815E+17
Circumference 1011825218.0645

Square

Length = n
Perimeter 644147940
Area 25932910537890225
Diagonal 227740688.23067

Cube

Length = n
Surface area 155597463227341350
Volume 4.1761577252966E+24
Space diagonal 278924239.91771

Equilateral Triangle

Length = n
Perimeter 483110955
Area 1.1229279659941E+16
Altitude 139462119.95885

Triangular Pyramid

Length = n
Surface area 1.1229279659941E+16
Volume 4.921649078103E+23
Height 75913562.743558