155121109 (number)

155121109 is an odd 9-digits composite number following 155121108 and preceding 155121110. In scientific notation, it is written as 1.55121109 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 128030400 positive integers (up to 155121109) that are relatively prime to 155121109.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.55121109 × 10^8
Engineering notation 1.55121109 × 10^6

Prime Factorization of 155121109

Prime Factorization 11 × 13 × 61 × 17783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 155121109
Product of the distinct prime numbers

The prime factorization of 155121109 is 11 × 13 × 61 × 17783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155121109)

Multiplication

n×y
n×2 310242218
n×3 465363327
n×4 620484436
n×5 775605545

Division

n÷y
n÷2 77560554.5
n÷3 51707036.333333
n÷3 38780277.25
n÷5 31024221.8

Exponentiation

ny
n2 24062558457389881
n3 3.7326107532876E+24
n4 5.7900671951531E+32
n5 8.9816164449666E+40

Nth Root

y√n
2√n 12454.762502754
3√n 537.30840432831
4√n 111.60090726671
5√n 43.464449176081

Divisors of 155121109

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 -155121108
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 155121109 can be divided by 16 positive divisors. The sum of these divisors (counting 155121109) is 1, the average is 0.0625.

Base conversion 155121109

Base System Value
2 Binary 1001001111101111010111010101
3 Ternary 101210212222011021
4 Quaternary 21033233113111
5 Quinary 304202333414
6 Senary 23220441141
8 Octal 1117572725
10 Decimal 155121109
12 Duodecimal 43b491b1
16 Hexadecimal 93ef5d5
20 Vigesimal 289a2f9
36 Base36 2kcs7p

Cryptographic Hash Functions

md5 f772c93256b28e6cf271528552b1dba3
sha1 45fca6ee9c216340d865af774c3034fcf831f57f
sha256 2cc6830446561c7f9199af3388e2e2f60f4f03047994ade12638cff348c7e771
sha512 ca4dbf0be2a177baa5e45722d4d43ae41be4be075c241eafc35320ffe42112f125db5601a7e442ab80de35daf92274562591f2a9c2e0ae4964f91731cd60b13f
ripemd-160 844a3e9bd22cdfc11b9c4b683c92aa5f64974bb1

155121109 as geometric shapes

Circle

Radius = n
Diameter 310242218
Circumference 974654672.9022
Area 7.5594756876311E+16

Sphere

Radius = n
Volume 1.5635123361652E+25
Surface area 3.0237902750524E+17
Circumference 974654672.9022

Square

Length = n
Perimeter 620484436
Area 24062558457389881
Diagonal 219374376.15816

Cube

Length = n
Surface area 144375350744339286
Volume 3.7326107532876E+24
Space diagonal 268677642.11443

Equilateral Triangle

Length = n
Perimeter 465363327
Area 1.0419393452074E+16
Altitude 134338821.05721

Triangular Pyramid

Length = n
Surface area 1.0419393452074E+16
Volume 4.3989239586325E+23
Height 73124792.052718