121387988 (number)

121387988 is an even 9-digits composite number following 121387987 and preceding 121387989. In scientific notation, it is written as 1.21387988 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors. There are 60693992 positive integers (up to 121387988) that are relatively prime to 121387988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21387988 × 10^8
Engineering notation 1.21387988 × 10^6

Prime Factorization of 121387988

Prime Factorization 2 × 2 × 30346997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 60693994
Product of the distinct prime numbers

The prime factorization of 121387988 is 2 × 2 × 30346997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 58, 86, 402, 596, 2072, 7898, 37356, 86274, 994839, 403907, 7805121, 8196654, 30882472, 59385076, 252252280, 809549778, 2576034551, 8442808528

Basic calculations (n = 121387988)

Multiplication

n×y
n×2 242775976
n×3 364163964
n×4 485551952
n×5 606939940

Division

n÷y
n÷2 60693994
n÷3 40462662.666667
n÷3 30346997
n÷5 24277597.6

Exponentiation

ny
n2 14735043630688144
n3 1.7886572994214E+24
n4 2.1712151079828E+32
n5 2.6355943347324E+40

Nth Root

y√n
2√n 11017.621703435
3√n 495.13683663831
4√n 104.96485937415
5√n 41.3842551129

Divisors of 121387988

1, 2, 4, 30346997, 60693994, 121387988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121387987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121387988 can be divided by 6 positive divisors. The sum of these divisors (counting 121387988) is 1, the average is 0.16666666666667.

Base conversion 121387988

Base System Value
2 Binary 111001111000011101111010100
3 Ternary 22110102011000102
4 Quaternary 13033003233110
5 Quinary 222033403423
6 Senary 20013433232
8 Octal 717035724
10 Decimal 121387988
12 Duodecimal 3479b818
16 Hexadecimal 73c3bd4
20 Vigesimal 1hid9j8
36 Base36 209rkk

Cryptographic Hash Functions

md5 578a007285d6448c97b265f69d261a3a
sha1 bcd5eaca72990cb84da3c9ba67ca8dd53ffdeee8
sha256 7ef6d59d0f27f73c58328d9607ad2ac3023c286587b3c505d4ddcbdee4dd1afe
sha512 ef8e5bc974594fed5d08d45efab4720a939d3596b8608b54eea31007e15e43c4c61f6f160f6e84c4c4ee1a2c35e83633a30ec0d73b460ab38da67d4ee40cd179
ripemd-160 4d4ec751a58b36da56145b362c5413074c4e78be

121387988 as geometric shapes

Circle

Radius = n
Diameter 242775976
Circumference 762703222.66969
Area 4.6291504820495E+16

Sphere

Radius = n
Volume 7.4923101755362E+24
Surface area 1.8516601928198E+17
Circumference 762703222.66969

Square

Length = n
Perimeter 485551952
Area 14735043630688144
Diagonal 171668538.93878

Cube

Length = n
Surface area 88410261784128864
Volume 1.7886572994214E+24
Space diagonal 210250162.64456

Equilateral Triangle

Length = n
Perimeter 364163964
Area 6.380461055024E+15
Altitude 105125081.32228

Triangular Pyramid

Length = n
Surface area 6.380461055024E+15
Volume 2.1079528427329E+23
Height 57222846.312928