145220981 (number)

145220981 is an odd 9-digits prime number following 145220980 and preceding 145220982. In scientific notation, it is written as 1.45220981 × 10^8. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 145220980 positive integers (up to 145220981) that are relatively prime to 145220981.

Interesting facts

Basic properties

Name

Name one hundred forty-five million two hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 1.45220981 × 10^8
Engineering notation 1.45220981 × 10^6

Prime Factorization of 145220981

Prime Factorization 145220981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 145220981
Product of the distinct prime numbers

The prime factorization of 145220981 is 145220981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 2, 21, 87, 402, 385, 1391, 7191, 22645, 62092, 285973, 513510, 313618, 4074732, 89609079, 1232217, 748086055, 385249656, 6792821398, 793368757

Basic calculations (n = 145220981)

Multiplication

n×y
n×2 290441962
n×3 435662943
n×4 580883924
n×5 726104905

Division

n÷y
n÷2 72610490.5
n÷3 48406993.666667
n÷3 36305245.25
n÷5 29044196.2

Exponentiation

ny
n2 21089133322602361
n3 3.0625846295481E+24
n4 4.447515442985E+32
n5 6.4587255564293E+40

Nth Root

y√n
2√n 12050.766822074
3√n 525.62553525819
4√n 109.77598472377
5√n 42.894921090746

Divisors of 145220981

1, 145220981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 145220982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 72610491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12050.766863565
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999862279
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145220981 can be divided by 2 positive divisors. The sum of these divisors (counting 145220981) is 145220982, the average is 72610491.

Base conversion 145220981

Base System Value
2 Binary 1000101001111110010101110101
3 Ternary 101010020222201212
4 Quaternary 20221332111311
5 Quinary 244134032411
6 Senary 22224331205
8 Octal 1051762565
10 Decimal 145220981
12 Duodecimal 40773b05
16 Hexadecimal 8a7e575
20 Vigesimal 257cc91
36 Base36 2egl85

Cryptographic Hash Functions

md5 1a5839927f121943b00c6046ac9318c2
sha1 64ca85ec0f1e1b0f58f18fc61a23fed996d70a79
sha256 0a0cdbe6c9718a6bc6e729310f612264469e956abfb7c7f66a5e4eddce6aa496
sha512 91019855ef19a58339a83e35a44adf5f772a476f4dd7554139ee264d456d2860834d4674490b89985dacd1e766cb26336f8912c80df833749a1e83399bfa11f1
ripemd-160 cd4b46c9bda3088d1918b3ab233983cd30ba85ab

145220981 as geometric shapes

Circle

Radius = n
Diameter 290441962
Circumference 912450334.11341
Area 6.6253466316863E+16

Sphere

Radius = n
Volume 1.282852449758E+25
Surface area 2.6501386526745E+17
Circumference 912450334.11341

Square

Length = n
Perimeter 580883924
Area 21089133322602361
Diagonal 205373480.87133

Cube

Length = n
Surface area 126534799935614166
Volume 3.0625846295481E+24
Space diagonal 251530117.41699

Equilateral Triangle

Length = n
Perimeter 435662943
Area 9.1318626005853E+15
Altitude 125765058.7085

Triangular Pyramid

Length = n
Surface area 9.1318626005853E+15
Volume 3.6092905991853E+23
Height 68457826.957109