161768900 (number)

161768900 is an even 9-digits composite number following 161768899 and preceding 161768901. In scientific notation, it is written as 1.61768900 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 64707520 positive integers (up to 161768900) that are relatively prime to 161768900.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred sixty-eight thousand nine hundred

Notation

Scientific notation 1.61768900 × 10^8
Engineering notation 1.61768900 × 10^6

Prime Factorization of 161768900

Prime Factorization 2 × 2 × 25 × 1617689

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80884450
Product of the distinct prime numbers

The prime factorization of 161768900 is 2 × 2 × 25 × 1617689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 33, 84, 609, 506, 7044, 1095, 89192, 33001, 777842, 974260, 6440318, 2245304, 91957640, 43562910, 954363585, 89168624, 8204071257, 5839527826

Basic calculations (n = 161768900)

Multiplication

n×y
n×2 323537800
n×3 485306700
n×4 647075600
n×5 808844500

Division

n÷y
n÷2 80884450
n÷3 53922966.666667
n÷3 40442225
n÷5 32353780

Exponentiation

ny
n2 26169177007210000
n3 4.2333589783617E+24
n4 6.8482582523469E+32
n5 1.1078352043981E+41

Nth Root

y√n
2√n 12718.840355944
3√n 544.87683438464
4√n 112.77783627976
5√n 43.830760539075

Divisors of 161768900

1, 2, 4, 25, 50, 100, 1617689, 3235378, 6470756, 40442225, 80884450, 161768900

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161768899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161768900 can be divided by 12 positive divisors. The sum of these divisors (counting 161768900) is 1, the average is 0.083333333333333.

Base conversion 161768900

Base System Value
2 Binary 1001101001000110010111000100
3 Ternary 102021101201012202
4 Quaternary 21221012113010
5 Quinary 312403101100
6 Senary 24015134032
8 Octal 1151062704
10 Decimal 161768900
12 Duodecimal 46214318
16 Hexadecimal 9a465c4
20 Vigesimal 2ab1250
36 Base36 2ob9ok

Cryptographic Hash Functions

md5 f7d125b4b17dc28b2fafabb8a6988cca
sha1 9ac9941eba982aa79fc499542aef7e5dd9ded530
sha256 fd6d38d47939b3ee1fe2df51d6834939e0b280e750676faec6e41aa0032adf34
sha512 d12522c25589ff2a063f2020dc08cb6ebd7172c4af5882bd349d597ff75cddca1c8a7896e2bb2d856be4841d89cab0d6076254a22bfd27d187185e265d6e1e5c
ripemd-160 2847d6359119148d7926d062a3b9eff2e0383dbb

161768900 as geometric shapes

Circle

Radius = n
Diameter 323537800
Circumference 1016423975.6386
Area 8.2212894236342E+16

Sphere

Radius = n
Volume 1.7732652621906E+25
Surface area 3.2885157694537E+17
Circumference 1016423975.6386

Square

Length = n
Perimeter 647075600
Area 26169177007210000
Diagonal 228775772.35018

Cube

Length = n
Surface area 157015062043260000
Volume 4.2333589783617E+24
Space diagonal 280191953.88453

Equilateral Triangle

Length = n
Perimeter 485306700
Area 1.1331586042188E+16
Altitude 140095976.94226

Triangular Pyramid

Length = n
Surface area 1.1331586042188E+16
Volume 4.9890614013275E+23
Height 76258590.783392