161750221 (number)

161750221 is an odd 9-digits prime number following 161750220 and preceding 161750222. In scientific notation, it is written as 1.61750221 × 10^8. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 161750220 positive integers (up to 161750221) that are relatively prime to 161750221.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred fifty thousand two hundred twenty-one

Notation

Scientific notation 1.61750221 × 10^8
Engineering notation 1.61750221 × 10^6

Prime Factorization of 161750221

Prime Factorization 161750221

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161750221
Product of the distinct prime numbers

The prime factorization of 161750221 is 161750221. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 7, 71, 27, 947, 505, 7868, 9107, 80485, 28262, 407687, 29318, 6206192, 7337094, 55330064, 57906344, 865060515, 815849154, 9803116524, 845907897

Basic calculations (n = 161750221)

Multiplication

n×y
n×2 323500442
n×3 485250663
n×4 647000884
n×5 808751105

Division

n÷y
n÷2 80875110.5
n÷3 53916740.333333
n÷3 40437555.25
n÷5 32350044.2

Exponentiation

ny
n2 26163133993548841
n3 4.2318927055091E+24
n4 6.8450958036439E+32
n5 1.1071957590056E+41

Nth Root

y√n
2√n 12718.10603038
3√n 544.85586177877
4√n 112.77458060388
5√n 43.829748289388

Divisors of 161750221

1, 161750221

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161750222
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80875111
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12718.106069694
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999876353
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161750221 can be divided by 2 positive divisors. The sum of these divisors (counting 161750221) is 161750222, the average is 80875111.

Base conversion 161750221

Base System Value
2 Binary 1001101001000001110011001101
3 Ternary 102021100202120221
4 Quaternary 21221001303031
5 Quinary 312402001341
6 Senary 24014511341
8 Octal 1151016315
10 Decimal 161750221
12 Duodecimal 46205551
16 Hexadecimal 9a41ccd
20 Vigesimal 2aaifb1
36 Base36 2oav9p

Cryptographic Hash Functions

md5 535fab8adf55a67846357a40a06ee32c
sha1 03651dbf5cfcf70e7bcdd92a36c5ed29faccf435
sha256 a1931fbb1a71c43a996217d0dae3f79628b8c5a7145e30a68937703a4c85b2e4
sha512 ecb279c208c5237b290f5a10698ea6bc95d1d2b8757793e3a2933ba902c93c31ec21ebde842c221c06d2f86a104848a26f513606b42a8da7b9e0bad61d3d2030
ripemd-160 3bdfb45c528ad5f8dc1c7019f21b94d68a924da5

161750221 as geometric shapes

Circle

Radius = n
Diameter 323500442
Circumference 1016306612.0203
Area 8.2193909549018E+16

Sphere

Radius = n
Volume 1.7726510712544E+25
Surface area 3.2877563819607E+17
Circumference 1016306612.0203

Square

Length = n
Perimeter 647000884
Area 26163133993548841
Diagonal 228749356.25505

Cube

Length = n
Surface area 156978803961293046
Volume 4.2318927055091E+24
Space diagonal 280159600.90749

Equilateral Triangle

Length = n
Perimeter 485250663
Area 1.1328969340515E+16
Altitude 140079800.45375

Triangular Pyramid

Length = n
Surface area 1.1328969340515E+16
Volume 4.987333382199E+23
Height 76249785.418348