121437981 (number)

121437981 is an odd 9-digits composite number following 121437980 and preceding 121437982. In scientific notation, it is written as 1.21437981 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 69393024 positive integers (up to 121437981) that are relatively prime to 121437981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21437981 × 10^8
Engineering notation 1.21437981 × 10^6

Prime Factorization of 121437981

Prime Factorization 9 × 3 × 7 × 642529

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121437981
Product of the distinct prime numbers

The prime factorization of 121437981 is 9 × 3 × 7 × 642529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121437981)

Multiplication

n×y
n×2 242875962
n×3 364313943
n×4 485751924
n×5 607189905

Division

n÷y
n÷2 60718990.5
n÷3 40479327
n÷3 30359495.25
n÷5 24287596.2

Exponentiation

ny
n2 14747183229356361
n3 1.7908681568101E+24
n4 2.1747941320021E+32
n5 2.6410260848098E+40

Nth Root

y√n
2√n 11019.890244463
3√n 495.2048004703
4√n 104.97566501081
5√n 41.387663328745

Divisors of 121437981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121437980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121437981 can be divided by 16 positive divisors. The sum of these divisors (counting 121437981) is 1, the average is 0.0625.

Base conversion 121437981

Base System Value
2 Binary 111001111001111111100011101
3 Ternary 22110111200121000
4 Quaternary 13033033330131
5 Quinary 222042003411
6 Senary 20014500513
8 Octal 717177435
10 Decimal 121437981
12 Duodecimal 34804739
16 Hexadecimal 73cff1d
20 Vigesimal 1hijej1
36 Base36 20au59

Cryptographic Hash Functions

md5 45ed953a3e202fcfa8883bd09b111678
sha1 be7e0b05a942bc2624386aefc9a7edb28367cd5f
sha256 ceec7def7d39a2ec6e3c62f8e721b9007b63b457fcdccb4acff75e61cb3a5b47
sha512 621719b33ad773120cc175a578a3dd056ce3bbd499e347f6503a0e56f065db090fab24a836f66ac9bfcb864d85742770847bdcf01d83e615021f05afa757fe53
ripemd-160 88cb1e43d69363891f3518f7fcef9fcf24b70821

121437981 as geometric shapes

Circle

Radius = n
Diameter 242875962
Circumference 763017337.95275
Area 4.6329642494489E+16

Sphere

Radius = n
Volume 7.50157099331E+24
Surface area 1.8531856997795E+17
Circumference 763017337.95275

Square

Length = n
Perimeter 485751924
Area 14747183229356361
Diagonal 171739239.71741

Cube

Length = n
Surface area 88483099376138166
Volume 1.7908681568101E+24
Space diagonal 210336753.06058

Equilateral Triangle

Length = n
Perimeter 364313943
Area 6.3857176554432E+15
Altitude 105168376.53029

Triangular Pyramid

Length = n
Surface area 6.3857176554432E+15
Volume 2.1105583631525E+23
Height 57246413.239135