155015981 (number)

155015981 is an odd 9-digits prime number following 155015980 and preceding 155015982. In scientific notation, it is written as 1.55015981 × 10^8. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 155015980 positive integers (up to 155015981) that are relatively prime to 155015981.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million fifteen thousand nine hundred eighty-one

Notation

Scientific notation 1.55015981 × 10^8
Engineering notation 1.55015981 × 10^6

Prime Factorization of 155015981

Prime Factorization 155015981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 155015981
Product of the distinct prime numbers

The prime factorization of 155015981 is 155015981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 7, 77, 29, 513, 645, 9899, 2806, 93870, 26502, 304150, 505739, 5748704, 675192, 88752127, 27498569, 161223175, 20299544, 3386327077, 2771648342

Basic calculations (n = 155015981)

Multiplication

n×y
n×2 310031962
n×3 465047943
n×4 620063924
n×5 775079905

Division

n÷y
n÷2 77507990.5
n÷3 51671993.666667
n÷3 38753995.25
n÷5 31003196.2

Exponentiation

ny
n2 24029954365392361
n3 3.7250269493365E+24
n4 5.7743870680284E+32
n5 8.9512227602414E+40

Nth Root

y√n
2√n 12450.541393851
3√n 537.18699612965
4√n 111.58199403959
5√n 43.458556271074

Divisors of 155015981

1, 155015981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 155015982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 77507991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12450.54143401
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999870981
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155015981 can be divided by 2 positive divisors. The sum of these divisors (counting 155015981) is 155015982, the average is 77507991.

Base conversion 155015981

Base System Value
2 Binary 1001001111010101101100101101
3 Ternary 101210200121221122
4 Quaternary 21033111230231
5 Quinary 304141002411
6 Senary 23214310325
8 Octal 1117255455
10 Decimal 155015981
12 Duodecimal 43ab83a5
16 Hexadecimal 93d5b2d
20 Vigesimal 288gjj1
36 Base36 2kaj3h

Cryptographic Hash Functions

md5 2d2c46af4e2ccd7bfd6d386329d1163a
sha1 7c88c1d29b54029f458999fd8017a1cd3783da16
sha256 38320c8d01fe399dfa2714dd0808f22c3638197b1ffbff36c5f31a2ef8d3aac3
sha512 0d3d4a6ab743d9ffa2927233fd6d81ef08b26f84e2a98a28c9e819afc5b23a21941565ff3bed77fa6a6e0ef111e3c20586752173969d7bd170c16660f339647d
ripemd-160 265cb7c8f233dabe2465b4c8dcd644ca7e6f85b0

155015981 as geometric shapes

Circle

Radius = n
Diameter 310031962
Circumference 973994134.19723
Area 7.5492328100415E+16

Sphere

Radius = n
Volume 1.5603356397946E+25
Surface area 3.0196931240166E+17
Circumference 973994134.19723

Square

Length = n
Perimeter 620063924
Area 24029954365392361
Diagonal 219225702.71477

Cube

Length = n
Surface area 144179726192354166
Volume 3.7250269493365E+24
Space diagonal 268495555.07713

Equilateral Triangle

Length = n
Perimeter 465047943
Area 1.0405275466105E+16
Altitude 134247777.53857

Triangular Pyramid

Length = n
Surface area 1.0405275466105E+16
Volume 4.3899863599642E+23
Height 73075234.238257