402816981 (number)

402816981 is an odd 9-digits composite number following 402816980 and preceding 402816982. In scientific notation, it is written as 4.02816981 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 230181120 positive integers (up to 402816981) that are relatively prime to 402816981.

Interesting facts

Basic properties

Name

Name four hundred two million eight hundred sixteen thousand nine hundred eighty-one

Notation

Scientific notation 4.02816981 × 10^8
Engineering notation 4.02816981 × 10^6

Prime Factorization of 402816981

Prime Factorization 3 × 7 × 19181761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 402816981
Product of the distinct prime numbers

The prime factorization of 402816981 is 3 × 7 × 19181761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 51, 48, 169, 717, 5201, 4991, 38866, 71562, 304510, 801710, 2878985, 2844749, 9991977, 84130682, 676306754, 938017813, 3973145812, 7812366477

Basic calculations (n = 402816981)

Multiplication

n×y
n×2 805633962
n×3 1208450943
n×4 1611267924
n×5 2014084905

Division

n÷y
n÷2 201408490.5
n÷3 134272327
n÷3 100704245.25
n÷5 80563396.2

Exponentiation

ny
n2 162261520181954361
n3 6.5361695692165E+25
n4 2.6328800931759E+34
n5 1.0605688104681E+43

Nth Root

y√n
2√n 20070.300969343
3√n 738.53189635708
4√n 141.66968966347
5√n 52.604337328647

Divisors of 402816981

1, 3, 7, 21, 19181761, 57545283, 134272327, 402816981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -402816980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 402816981 can be divided by 8 positive divisors. The sum of these divisors (counting 402816981) is 1, the average is 0.125.

Base conversion 402816981

Base System Value
2 Binary 11000000000100111111111010101
3 Ternary 1001001222020000110
4 Quaternary 120000213333111
5 Quinary 1311110120411
6 Senary 103545433233
8 Octal 3000477725
10 Decimal 402816981
12 Duodecimal b2a9b819
16 Hexadecimal 18027fd5
20 Vigesimal 65hc291
36 Base36 6ntrkl

Cryptographic Hash Functions

md5 214f7986f46875ec8a5f85c62d87e6f9
sha1 018525a9c336aa4de9a229dfa250c6b0a75bcb8c
sha256 52b17453365f1990c5bc018e620ecc3de4b92e16c51b2abbba91cde1a2aedd56
sha512 1743d1f228f6cec81eb496c1f4c7d7954295ddea6de700e890cdfbc8023b09faf1ac82f4a1afd8530a20983cc1130b9c024e4e7ea3b61e06ea05c73918cbf2ce
ripemd-160 3756e06e67baae5ff41d4a8b622f28fbdf299e7f

402816981 as geometric shapes

Circle

Radius = n
Diameter 805633962
Circumference 2530973736.5016
Area 5.0975959976394E+17

Sphere

Radius = n
Volume 2.7378643068357E+26
Surface area 2.0390383990558E+18
Circumference 2530973736.5016

Square

Length = n
Perimeter 1611267924
Area 162261520181954361
Diagonal 569669237.68439

Cube

Length = n
Surface area 973569121091726166
Volume 6.5361695692165E+25
Space diagonal 697699477.24351

Equilateral Triangle

Length = n
Perimeter 1208450943
Area 7.0261299267127E+16
Altitude 348849738.62175

Triangular Pyramid

Length = n
Surface area 7.0261299267127E+16
Volume 7.7029497089636E+24
Height 189889745.8948