121998945 (number)

121998945 is an odd 9-digits composite number following 121998944 and preceding 121998946. In scientific notation, it is written as 1.21998945 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 64149120 positive integers (up to 121998945) that are relatively prime to 121998945.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred ninety-eight thousand nine hundred forty-five

Notation

Scientific notation 1.21998945 × 10^8
Engineering notation 1.21998945 × 10^6

Prime Factorization of 121998945

Prime Factorization 3 × 5 × 71 × 114553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121998945
Product of the distinct prime numbers

The prime factorization of 121998945 is 3 × 5 × 71 × 114553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 95, 92, 775, 757, 6800, 7423, 70034, 12360, 534660, 913336, 6590703, 1184957, 53122535, 52546964, 205555942, 365858818, 2660008167, 7437173849

Basic calculations (n = 121998945)

Multiplication

n×y
n×2 243997890
n×3 365996835
n×4 487995780
n×5 609994725

Division

n÷y
n÷2 60999472.5
n÷3 40666315
n÷3 30499736.25
n÷5 24399789

Exponentiation

ny
n2 14883742581113025
n3 1.8158008925474E+24
n4 2.2152579322084E+32
n5 2.702591306323E+40

Nth Root

y√n
2√n 11045.313259478
3√n 495.96613674682
4√n 105.09668529253
5√n 41.425829656245

Divisors of 121998945

1, 3, 5, 15, 71, 213, 355, 1065, 114553, 343659, 572765, 1718295, 8133263, 24399789, 40666315, 121998945

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 -121998944
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 121998945 can be divided by 16 positive divisors. The sum of these divisors (counting 121998945) is 1, the average is 0.0625.

Base conversion 121998945

Base System Value
2 Binary 111010001011000111001100001
3 Ternary 22111120012002110
4 Quaternary 13101120321201
5 Quinary 222212431240
6 Senary 20034505533
8 Octal 721307141
10 Decimal 121998945
12 Duodecimal 34a352a9
16 Hexadecimal 7458e61
20 Vigesimal 1i29h75
36 Base36 20muzl

Cryptographic Hash Functions

md5 08dec317753cca92025f1813e32b2799
sha1 ac3f4f94e267aa03bc2787b48b68dfc27d4f6c6b
sha256 eaee82a5b432ed5282f5ffa1fde07b17dbbf50aabef978ad59e63a39a8c43f69
sha512 08f3bd4ac13680ed8c09a3fea230b356c115c4530d1e59ec79a2c3dee5d865807a8f0c33bf88bdcf0a73e6dab7cf1e81e9144586c284d9cbc7b906bacd4a16c1
ripemd-160 e8e98a1c1c2a57f52b0a765b32addf0914ec2c4c

121998945 as geometric shapes

Circle

Radius = n
Diameter 243997890
Circumference 766541978.71541
Area 4.6758656350746E+16

Sphere

Radius = n
Volume 7.6060089925448E+24
Surface area 1.8703462540299E+17
Circumference 766541978.71541

Square

Length = n
Perimeter 487995780
Area 14883742581113025
Diagonal 172532562.61421

Cube

Length = n
Surface area 89302455486678150
Volume 1.8158008925474E+24
Space diagonal 211308371.2098

Equilateral Triangle

Length = n
Perimeter 365996835
Area 6.444849589316E+15
Altitude 105654185.6049

Triangular Pyramid

Length = n
Surface area 6.444849589316E+15
Volume 2.139941874008E+23
Height 57510854.204736