161768901 (number)

161768901 is an odd 9-digits composite number following 161768900 and preceding 161768902. In scientific notation, it is written as 1.61768901 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 92439360 positive integers (up to 161768901) that are relatively prime to 161768901.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61768901 × 10^8
Engineering notation 1.61768901 × 10^6

Prime Factorization of 161768901

Prime Factorization 3 × 7 × 7703281

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161768901
Product of the distinct prime numbers

The prime factorization of 161768901 is 3 × 7 × 7703281. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 54, 93, 639, 394, 7876, 8958, 60157, 34008, 526870, 534080, 5395554, 7267406, 27210108, 38944274, 134937989, 188588449, 1115100076, 9091034002

Basic calculations (n = 161768901)

Multiplication

n×y
n×2 323537802
n×3 485306703
n×4 647075604
n×5 808844505

Division

n÷y
n÷2 80884450.5
n÷3 53922967
n÷3 40442225.25
n÷5 32353780.2

Exponentiation

ny
n2 26169177330747801
n3 4.2333590568692E+24
n4 6.8482584216812E+32
n5 1.1078352386394E+41

Nth Root

y√n
2√n 12718.840395256
3√n 544.87683550739
4√n 112.77783645405
5√n 43.830760593265

Divisors of 161768901

1, 3, 7, 21, 7703281, 23109843, 53922967, 161768901

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 -161768900
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 161768901 can be divided by 8 positive divisors. The sum of these divisors (counting 161768901) is 1, the average is 0.125.

Base conversion 161768901

Base System Value
2 Binary 1001101001000110010111000101
3 Ternary 102021101201012210
4 Quaternary 21221012113011
5 Quinary 312403101101
6 Senary 24015134033
8 Octal 1151062705
10 Decimal 161768901
12 Duodecimal 46214319
16 Hexadecimal 9a465c5
20 Vigesimal 2ab1251
36 Base36 2ob9ol

Cryptographic Hash Functions

md5 7d6a8713b842549ae10bc1180f51f878
sha1 6d4a32ad48a43452d881ab129a34ab6165d162aa
sha256 9cf1f876a1b17acde25fb402f86ece302397a49500f67947d1af81111861edd9
sha512 1569576868aa2b81d02c450aaf0b1a6e02a646b15f9e967c4776a9cf165dc415f15d44f0bbc12776d3669203f036e856114072bbf7e7b73eb553175d4d308503
ripemd-160 0782d1c875ffb2312829055824651de641320d8d

161768901 as geometric shapes

Circle

Radius = n
Diameter 323537802
Circumference 1016423981.9218
Area 8.2212895252766E+16

Sphere

Radius = n
Volume 1.7732652950757E+25
Surface area 3.2885158101106E+17
Circumference 1016423981.9218

Square

Length = n
Perimeter 647075604
Area 26169177330747801
Diagonal 228775773.76439

Cube

Length = n
Surface area 157015063984486806
Volume 4.2333590568692E+24
Space diagonal 280191955.61658

Equilateral Triangle

Length = n
Perimeter 485306703
Area 1.1331586182284E+16
Altitude 140095977.80829

Triangular Pyramid

Length = n
Surface area 1.1331586182284E+16
Volume 4.9890614938495E+23
Height 76258591.254797