161445874 (number)

161445874 is an even 9-digits composite number following 161445873 and preceding 161445875. In scientific notation, it is written as 1.61445874 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 77760000 positive integers (up to 161445874) that are relatively prime to 161445874.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million four hundred forty-five thousand eight hundred seventy-four

Notation

Scientific notation 1.61445874 × 10^8
Engineering notation 1.61445874 × 10^6

Prime Factorization of 161445874

Prime Factorization 2 × 37 × 101 × 21601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161445874
Product of the distinct prime numbers

The prime factorization of 161445874 is 2 × 37 × 101 × 21601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 46, 64, 803, 350, 2242, 7640, 66686, 13643, 857197, 533168, 6595480, 7741222, 34513297, 57900815, 517447991, 211664875, 2002803836, 9587478623

Basic calculations (n = 161445874)

Multiplication

n×y
n×2 322891748
n×3 484337622
n×4 645783496
n×5 807229370

Division

n÷y
n÷2 80722937
n÷3 53815291.333333
n÷3 40361468.5
n÷5 32289174.8

Exponentiation

ny
n2 26064770231623876
n3 4.2080496106537E+24
n4 6.7937224722735E+32
n5 1.0968184622496E+41

Nth Root

y√n
2√n 12706.135289694
3√n 544.51391611376
4√n 112.72149435531
5√n 43.813241970692

Divisors of 161445874

1, 2, 37, 74, 101, 202, 3737, 7474, 21601, 43202, 799237, 1598474, 2181701, 4363402, 80722937, 161445874

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161445873
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161445874 can be divided by 16 positive divisors. The sum of these divisors (counting 161445874) is 1, the average is 0.0625.

Base conversion 161445874

Base System Value
2 Binary 1001100111110111011111110010
3 Ternary 102020210022002211
4 Quaternary 21213313133302
5 Quinary 312312231444
6 Senary 24004202334
8 Octal 1147673762
10 Decimal 161445874
12 Duodecimal 460993aa
16 Hexadecimal 99f77f2
20 Vigesimal 2a90ede
36 Base36 2o4cfm

Cryptographic Hash Functions

md5 449ee1cbf26184cb577b25fd2149be78
sha1 ddb1a1978f789ef67c188fe6a36e250e8c8876fb
sha256 432e22fbb7b801b7bc58c79da94895f89b343a2794027025f84dcf986e946937
sha512 8e6f25adc44712c9461aecf1acdefd2bbf63379d3f6857d4b10a6505a29553ae90e49ae39ba9a163feb63a7748938af3f05ca25f67804dc312c0d9d6925db817
ripemd-160 9d06a35aead2d619afff13a6909ccb5e792e92d6

161445874 as geometric shapes

Circle

Radius = n
Diameter 322891748
Circumference 1014394343.4216
Area 8.1884890677176E+16

Sphere

Radius = n
Volume 1.7626636990361E+25
Surface area 3.275395627087E+17
Circumference 1014394343.4216

Square

Length = n
Perimeter 645783496
Area 26064770231623876
Diagonal 228318944.59998

Cube

Length = n
Surface area 156388621389743256
Volume 4.2080496106537E+24
Space diagonal 279632456.44036

Equilateral Triangle

Length = n
Perimeter 484337622
Area 1.1286376582195E+16
Altitude 139816228.22018

Triangular Pyramid

Length = n
Surface area 1.1286376582195E+16
Volume 4.9592340254377E+23
Height 76106314.866659