121586987 (number)

121586987 is an odd 9-digits composite number following 121586986 and preceding 121586988. In scientific notation, it is written as 1.21586987 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 121560336 positive integers (up to 121586987) that are relatively prime to 121586987.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million five hundred eighty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.21586987 × 10^8
Engineering notation 1.21586987 × 10^6

Prime Factorization of 121586987

Prime Factorization 20809 × 5843

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 121586987
Product of the distinct prime numbers

The prime factorization of 121586987 is 20809 × 5843. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121586987)

Multiplication

n×y
n×2 243173974
n×3 364760961
n×4 486347948
n×5 607934935

Division

n÷y
n÷2 60793493.5
n÷3 40528995.666667
n÷3 30396746.75
n÷5 24317397.4

Exponentiation

ny
n2 14783395407738169
n3 1.7974685052565E+24
n4 2.1854877978153E+32
n5 2.6572687646163E+40

Nth Root

y√n
2√n 11026.648946983
3√n 495.40725862119
4√n 105.00785183491
5√n 41.397814988936

Divisors of 121586987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121586986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121586987 can be divided by 4 positive divisors. The sum of these divisors (counting 121586987) is 1, the average is 0.25.

Base conversion 121586987

Base System Value
2 Binary 111001111110100010100101011
3 Ternary 22110210020222202
4 Quaternary 13033310110223
5 Quinary 222111240422
6 Senary 20022010415
8 Octal 717642453
10 Decimal 121586987
12 Duodecimal 34876a0b
16 Hexadecimal 73f452b
20 Vigesimal 1hji797
36 Base36 20e14b

Cryptographic Hash Functions

md5 35b0349683465a0313e71f16dd4d1efe
sha1 c7a16976d3482251487fcff5bf43711d30da8b3c
sha256 cd7f2898ba3e64a7b7b198bcf943d59ccf9ef7b5b72827b4ce6e1c3f2b104209
sha512 f1eb0390ace1a674d2e743da625e4950678f83004918876b7a2d2e7186c7e69ed8aca37801c6862eb5de35b9ca990132cbdacbae8bc50ecbb72dd7d6a1b10c18
ripemd-160 ccbf0f61306e8e9f49cf70258478e3a4682d2f46

121586987 as geometric shapes

Circle

Radius = n
Diameter 243173974
Circumference 763953570.26264
Area 4.6443406408063E+16

Sphere

Radius = n
Volume 7.5292184682305E+24
Surface area 1.8577362563225E+17
Circumference 763953570.26264

Square

Length = n
Perimeter 486347948
Area 14783395407738169
Diagonal 171949966.02348

Cube

Length = n
Surface area 88700372446429014
Volume 1.7974685052565E+24
Space diagonal 210594839.02322

Equilateral Triangle

Length = n
Perimeter 364760961
Area 6.4013979886457E+15
Altitude 105297419.51161

Triangular Pyramid

Length = n
Surface area 6.4013979886457E+15
Volume 2.1183369483936E+23
Height 57316655.34116