155031921 (number)

155031921 is an odd 9-digits composite number following 155031920 and preceding 155031922. In scientific notation, it is written as 1.55031921 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 93958560 positive integers (up to 155031921) that are relatively prime to 155031921.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million thirty-one thousand nine hundred twenty-one

Notation

Scientific notation 1.55031921 × 10^8
Engineering notation 1.55031921 × 10^6

Prime Factorization of 155031921

Prime Factorization 3 × 9 × 11 × 521993

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 155031921
Product of the distinct prime numbers

The prime factorization of 155031921 is 3 × 9 × 11 × 521993. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 63, 50, 699, 182, 1131, 4910, 30045, 51138, 95104, 525775, 4443024, 388407, 59239182, 63044670, 492176569, 911116768, 3055497999, 623528625

Basic calculations (n = 155031921)

Multiplication

n×y
n×2 310063842
n×3 465095763
n×4 620127684
n×5 775159605

Division

n÷y
n÷2 77515960.5
n÷3 51677307
n÷3 38757980.25
n÷5 31006384.2

Exponentiation

ny
n2 24034896528950241
n3 3.7261761799194E+24
n4 5.7767625115734E+32
n5 8.9558258933002E+40

Nth Root

y√n
2√n 12451.181510202
3√n 537.20540813935
4√n 111.58486237032
5√n 43.459449986536

Divisors of 155031921

1, 3, 9, 11, 27, 33, 99, 297, 521993, 1565979, 4697937, 5741923, 14093811, 17225769, 51677307, 155031921

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 -155031920
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 155031921 can be divided by 16 positive divisors. The sum of these divisors (counting 155031921) is 1, the average is 0.0625.

Base conversion 155031921

Base System Value
2 Binary 1001001111011001100101110001
3 Ternary 101210201102211000
4 Quaternary 21033121211301
5 Quinary 304142010141
6 Senary 23214512213
8 Octal 1117314561
10 Decimal 155031921
12 Duodecimal 43b05669
16 Hexadecimal 93d9971
20 Vigesimal 288ijg1
36 Base36 2kave9

Cryptographic Hash Functions

md5 f8aee648d44212aa9c4490cfc47869bb
sha1 6dff4084263ae5e3196028de1d6e08c4edc326f4
sha256 4dfc5a7c25af851bdeea89120e2071554d4367facb480d565beb31bab7a71501
sha512 d692aa8fdfea6c1bb887699bf4cd307420e0c03107c31e698e6d31beabb08f585d5104dba5a08adb3e0ee23129301fce01bed39ea95234e6270bacf853eb5e3b
ripemd-160 88fbcffc2a9844a48ad48a63a9b8b43615dbceec

155031921 as geometric shapes

Circle

Radius = n
Diameter 310063842
Circumference 974094288.17103
Area 7.5507854365141E+16

Sphere

Radius = n
Volume 1.5608170283755E+25
Surface area 3.0203141746056E+17
Circumference 974094288.17103

Square

Length = n
Perimeter 620127684
Area 24034896528950241
Diagonal 219248245.27895

Cube

Length = n
Surface area 144209379173701446
Volume 3.7261761799194E+24
Space diagonal 268523163.967

Equilateral Triangle

Length = n
Perimeter 465095763
Area 1.0407415485701E+16
Altitude 134261581.9835

Triangular Pyramid

Length = n
Surface area 1.0407415485701E+16
Volume 4.3913407411946E+23
Height 73082748.426318