155115421 (number)

155115421 is an odd 9-digits prime number following 155115420 and preceding 155115422. In scientific notation, it is written as 1.55115421 × 10^8. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 155115420 positive integers (up to 155115421) that are relatively prime to 155115421.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million one hundred fifteen thousand four hundred twenty-one

Notation

Scientific notation 1.55115421 × 10^8
Engineering notation 1.55115421 × 10^6

Prime Factorization of 155115421

Prime Factorization 155115421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 155115421
Product of the distinct prime numbers

The prime factorization of 155115421 is 155115421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 1, 55, 91, 432, 550, 8899, 5029, 71472, 3544, 393630, 353206, 9719453, 1693, 62276919, 26647008, 826461542, 497817341, 1999871858, 1687750309

Basic calculations (n = 155115421)

Multiplication

n×y
n×2 310230842
n×3 465346263
n×4 620461684
n×5 775577105

Division

n÷y
n÷2 77557710.5
n÷3 51705140.333333
n÷3 38778855.25
n÷5 31023084.2

Exponentiation

ny
n2 24060793832007241
n3 3.732200164846E+24
n4 5.7892179982636E+32
n5 8.9799698706143E+40

Nth Root

y√n
2√n 12454.534154275
3√n 537.30183688438
4√n 111.59988420368
5√n 43.464130419446

Divisors of 155115421

1, 155115421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 155115422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 77557711
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12454.534194421
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999871064
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155115421 can be divided by 2 positive divisors. The sum of these divisors (counting 155115421) is 155115422, the average is 77557711.

Base conversion 155115421

Base System Value
2 Binary 1001001111101101111110011101
3 Ternary 101210212200100121
4 Quaternary 21033231332131
5 Quinary 304202143141
6 Senary 23220354541
8 Octal 1117557635
10 Decimal 155115421
12 Duodecimal 43b45a51
16 Hexadecimal 93edf9d
20 Vigesimal 28998b1
36 Base36 2kcntp

Cryptographic Hash Functions

md5 40f4d08f7fa9011df6765966b398e22a
sha1 c332fdce482595ad15aa22acef141df97817b60a
sha256 962edbcbfaaec8586cae0b63bdce80865ef4c233116ce5a9b724f3fa34582927
sha512 0c61cb9b11690c7e73532e4b1cdd9037f76ad8b59d90366020f80b73a44bdff9ee9f3cdaff1fbe4757cca181c4877eeccdb09c74045b8a7bc77eb78289f75ab6
ripemd-160 48075ce50b437cce75fdf43fb9ae869540be853f

155115421 as geometric shapes

Circle

Radius = n
Diameter 310230842
Circumference 974618934.14418
Area 7.5589213142173E+16

Sphere

Radius = n
Volume 1.5633403492809E+25
Surface area 3.0235685256869E+17
Circumference 974618934.14418

Square

Length = n
Perimeter 620461684
Area 24060793832007241
Diagonal 219366332.11141

Cube

Length = n
Surface area 144364762992043446
Volume 3.732200164846E+24
Space diagonal 268667790.20944

Equilateral Triangle

Length = n
Perimeter 465346263
Area 1.0418629346869E+16
Altitude 134333895.10472

Triangular Pyramid

Length = n
Surface area 1.0418629346869E+16
Volume 4.3984400755136E+23
Height 73122110.703804