121387984 (number)

121387984 is an even 9-digits composite number following 121387983 and preceding 121387985. In scientific notation, it is written as 1.21387984 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 60569312 positive integers (up to 121387984) that are relatively prime to 121387984.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million three hundred eighty-seven thousand nine hundred eighty-four

Notation

Scientific notation 1.21387984 × 10^8
Engineering notation 1.21387984 × 10^6

Prime Factorization of 121387984

Prime Factorization 2 × 2 × 2 × 2 × 503 × 15083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 15173498
Product of the distinct prime numbers

The prime factorization of 121387984 is 2 × 2 × 2 × 2 × 503 × 15083. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 91, 5, 424, 516, 3999, 8006, 8438, 71268, 20812, 287592, 9855659, 4107653, 63193674, 4889326, 29872220, 222986311, 3467406598, 8315022550

Basic calculations (n = 121387984)

Multiplication

n×y
n×2 242775968
n×3 364163952
n×4 485551936
n×5 606939920

Division

n÷y
n÷2 60693992
n÷3 40462661.333333
n÷3 30346996
n÷5 24277596.8

Exponentiation

ny
n2 14735042659584256
n3 1.7886571226009E+24
n4 2.1712148217977E+32
n5 2.6355939004894E+40

Nth Root

y√n
2√n 11017.621521908
3√n 495.13683119969
4√n 104.96485850944
5√n 41.38425484016

Divisors of 121387984

1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 15083, 30166, 60332, 120664, 241328, 7586749, 15173498, 30346996, 60693992, 121387984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121387983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121387984 can be divided by 20 positive divisors. The sum of these divisors (counting 121387984) is 1, the average is 0.05.

Base conversion 121387984

Base System Value
2 Binary 111001111000011101111010000
3 Ternary 22110102011000021
4 Quaternary 13033003233100
5 Quinary 222033403414
6 Senary 20013433224
8 Octal 717035720
10 Decimal 121387984
12 Duodecimal 3479b814
16 Hexadecimal 73c3bd0
20 Vigesimal 1hid9j4
36 Base36 209rkg

Cryptographic Hash Functions

md5 ef403b1ec88691aed0cb416d4020c509
sha1 51d957e9eb6b3c335f8644243074158cef8cd01f
sha256 49fe96d11f634d6c1c5e431e864f71e197aa6422ea6de7232e1b20db5bae78e8
sha512 b3ef2d6809705257d81726a1005427eefe0fd3ce0e806efbf442b4b2063f8cb071e82198c38b8099651abd53fce0f0e78d92279d67b02aaebf7145897b707fb0
ripemd-160 50a3f98eaa7d83990c75535ac04be195629362ba

121387984 as geometric shapes

Circle

Radius = n
Diameter 242775968
Circumference 762703197.53695
Area 4.6291501769682E+16

Sphere

Radius = n
Volume 7.4923094348722E+24
Surface area 1.8516600707873E+17
Circumference 762703197.53695

Square

Length = n
Perimeter 485551936
Area 14735042659584256
Diagonal 171668533.28193

Cube

Length = n
Surface area 88410255957505536
Volume 1.7886571226009E+24
Space diagonal 210250155.71636

Equilateral Triangle

Length = n
Perimeter 364163952
Area 6.3804606345237E+15
Altitude 105125077.85818

Triangular Pyramid

Length = n
Surface area 6.3804606345237E+15
Volume 2.1079526343479E+23
Height 57222844.427309