161021544 (number)

161021544 is an even 9-digits composite number following 161021543 and preceding 161021545. In scientific notation, it is written as 1.61021544 × 10^8. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 53625600 positive integers (up to 161021544) that are relatively prime to 161021544.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million twenty-one thousand five hundred forty-four

Notation

Scientific notation 1.61021544 × 10^8
Engineering notation 1.61021544 × 10^6

Prime Factorization of 161021544

Prime Factorization 2 × 2 × 2 × 3 × 1471 × 4561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40255386
Product of the distinct prime numbers

The prime factorization of 161021544 is 2 × 2 × 2 × 3 × 1471 × 4561. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161021544)

Multiplication

n×y
n×2 322043088
n×3 483064632
n×4 644086176
n×5 805107720

Division

n÷y
n÷2 80510772
n÷3 53673848
n÷3 40255386
n÷5 32204308.8

Exponentiation

ny
n2 25927937632143936
n3 4.1749565502635E+24
n4 6.7225794985635E+32
n5 1.0824801305214E+41

Nth Root

y√n
2√n 12689.426464581
3√n 544.03644688046
4√n 112.64735444999
5√n 43.790186752439

Divisors of 161021544

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161021543
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161021544 can be divided by 32 positive divisors. The sum of these divisors (counting 161021544) is 1, the average is 0.03125.

Base conversion 161021544

Base System Value
2 Binary 1001100110001111111001101000
3 Ternary 102012222202000220
4 Quaternary 21212033321220
5 Quinary 312210142134
6 Senary 23551130040
8 Octal 1146177150
10 Decimal 161021544
12 Duodecimal 45b13920
16 Hexadecimal 998fe68
20 Vigesimal 2a67dh4
36 Base36 2nv90o

Cryptographic Hash Functions

md5 be53ae152db8dcd0585b7b6acc11ef39
sha1 0f3aed35c3b1a0b8a39dd06dab70ba4491ee2e0e
sha256 8c0699d486bda3c9fa8d3302788716e71f7f55e2722bc15168ef4d264f607fa7
sha512 28cdbc8f768ffbe6dd2754b56e5157c749e377b23c37c4b6a975d19c9177535a294dc25ad072b165f532fb3f870e3d7af304395d5ed30a03bb4c1a97219d9ffd
ripemd-160 458645484281940687dfa758490f1c9b5c56814b

161021544 as geometric shapes

Circle

Radius = n
Diameter 322043088
Circumference 1011728199.4002
Area 8.1455018387878E+16

Sphere

Radius = n
Volume 1.7488017103153E+25
Surface area 3.2582007355151E+17
Circumference 1011728199.4002

Square

Length = n
Perimeter 644086176
Area 25927937632143936
Diagonal 227718851.35906

Cube

Length = n
Surface area 155567625792863616
Volume 4.1749565502635E+24
Space diagonal 278897495.32119

Equilateral Triangle

Length = n
Perimeter 483064632
Area 1.1227126328588E+16
Altitude 139448747.66059

Triangular Pyramid

Length = n
Surface area 1.1227126328588E+16
Volume 4.9202334797509E+23
Height 75906283.786352