181997992 (number)

181997992 is an even 9-digits composite number following 181997991 and preceding 181997993. In scientific notation, it is written as 1.81997992 × 10^8. The sum of its digits is 55. It has a total of 6 prime factors and 32 positive divisors. There are 81558400 positive integers (up to 181997992) that are relatively prime to 181997992.

Interesting facts

Basic properties

Name

Name one hundred eighty-one million nine hundred ninety-seven thousand nine hundred ninety-two

Notation

Scientific notation 1.81997992 × 10^8
Engineering notation 1.81997992 × 10^6

Prime Factorization of 181997992

Prime Factorization 2 × 2 × 2 × 11 × 71 × 29129

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 45499498
Product of the distinct prime numbers

The prime factorization of 181997992 is 2 × 2 × 2 × 11 × 71 × 29129. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 95, 27, 639, 513, 3903, 7426, 88334, 89229, 736998, 258616, 593247, 845340, 65817578, 44116637, 173977219, 331548994, 5696901407, 498440934

Basic calculations (n = 181997992)

Multiplication

n×y
n×2 363995984
n×3 545993976
n×4 727991968
n×5 909989960

Division

n÷y
n÷2 90998996
n÷3 60665997.333333
n÷3 45499498
n÷5 36399598.4

Exponentiation

ny
n2 33123269092032064
n3 6.0283684632255E+24
n4 1.0971509553432E+33
n5 1.9967927079334E+41

Nth Root

y√n
2√n 13490.663141595
3√n 566.70302665577
4√n 116.14931399537
5√n 44.875915261623

Divisors of 181997992

1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 29129, 58258, 116516, 233032, 320419, 640838, 1281676, 2068159, 2563352, 4136318, 8272636, 16545272, 22749749, 45499498, 90998996, 181997992

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 -181997991
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 181997992 can be divided by 32 positive divisors. The sum of these divisors (counting 181997992) is 1, the average is 0.03125.

Base conversion 181997992

Base System Value
2 Binary 1010110110010001000110101000
3 Ternary 110200110110022101
4 Quaternary 22312101012220
5 Quinary 333042413432
6 Senary 30020503144
8 Octal 1266210650
10 Decimal 181997992
12 Duodecimal 50b4aab4
16 Hexadecimal ad911a8
20 Vigesimal 2gh9ejc
36 Base36 30cujs

Cryptographic Hash Functions

md5 8d5e6a732901284a81b5ea8053a507ed
sha1 88833ad395aaa8178b2c690640d98f6070b70c5b
sha256 40b2734421b43ad2f069bd29c15ff15431e9bb97b264e97ebcba85199c926ed3
sha512 7be03a8f3285d31b2030d649b4248a4cb814fc8493a37eea83591883d23d79ea17e70e6cca5f31cc0c424d5f1c841fbd39c18c3fd6b3c1bfd4fa95d29f147688
ripemd-160 085575e417956516ece6e40996ef94106c58c794

181997992 as geometric shapes

Circle

Radius = n
Diameter 363995984
Circumference 1143527109.2706
Area 1.0405981884241E+17

Sphere

Radius = n
Volume 2.5251570769602E+25
Surface area 4.1623927536962E+17
Circumference 1143527109.2706

Square

Length = n
Perimeter 727991968
Area 33123269092032064
Diagonal 257384028.61107

Cube

Length = n
Surface area 198739614552192384
Volume 6.0283684632255E+24
Space diagonal 315229769.01951

Equilateral Triangle

Length = n
Perimeter 545993976
Area 1.4342796245044E+16
Altitude 157614884.50976

Triangular Pyramid

Length = n
Surface area 1.4342796245044E+16
Volume 7.1045003663965E+23
Height 85794676.20369