397397728 (number)

397397728 is an even 9-digits composite number following 397397727 and preceding 397397729. In scientific notation, it is written as 3.97397728 × 10^8. The sum of its digits is 55. It has a total of 8 prime factors and 48 positive divisors. There are 156280320 positive integers (up to 397397728) that are relatively prime to 397397728.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million three hundred ninety-seven thousand seven hundred twenty-eight

Notation

Scientific notation 3.97397728 × 10^8
Engineering notation 3.97397728 × 10^6

Prime Factorization of 397397728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 91 × 571 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 24837358
Product of the distinct prime numbers

The prime factorization of 397397728 is 2 × 2 × 2 × 2 × 2 × 91 × 571 × 239. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 8, 34, 6, 173, 651, 4362, 5770, 88928, 54802, 234749, 440118, 338133, 1363166, 38307353, 78094003, 295091993, 806035293, 8663761863, 6685523799

Basic calculations (n = 397397728)

Multiplication

n×y
n×2 794795456
n×3 1192193184
n×4 1589590912
n×5 1986988640

Division

n÷y
n÷2 198698864
n÷3 132465909.33333
n÷3 99349432
n÷5 79479545.6

Exponentiation

ny
n2 157924954219561984
n3 6.2759018001358E+25
n4 2.4940291165251E+34
n5 9.9112150447291E+42

Nth Root

y√n
2√n 19934.837044732
3√n 735.20501353696
4√n 141.19078243544
5√n 52.462028129273

Divisors of 397397728

1, 2, 4, 8, 16, 32, 91, 182, 239, 364, 478, 571, 728, 956, 1142, 1456, 1912, 2284, 2912, 3824, 4568, 7648, 9136, 18272, 21749, 43498, 51961, 86996, 103922, 136469, 173992, 207844, 272938, 347984, 415688, 545876, 695968, 831376, 1091752, 1662752, 2183504, 4367008, 12418679, 24837358, 49674716, 99349432, 198698864, 397397728

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -397397727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 397397728 can be divided by 48 positive divisors. The sum of these divisors (counting 397397728) is 1, the average is 0.020833333333333.

Base conversion 397397728

Base System Value
2 Binary 10111101011111100111011100000
3 Ternary 1000200202220012101
4 Quaternary 113223330323200
5 Quinary 1303213211403
6 Senary 103233340144
8 Octal 2753747340
10 Decimal 397397728
12 Duodecimal b1107654
16 Hexadecimal 17afcee0
20 Vigesimal 643ee68
36 Base36 6klm1s

Cryptographic Hash Functions

md5 879f8c2ef6ce5f527f12602dd8889160
sha1 3830322a8f3db8db801f1ec653ee172f839036cd
sha256 db1947a21e0643fbb44a966c57aafc3ee5a9898bf61f7a70e1962208c55a2d1d
sha512 a379dd9fe0e6fa99f349f8d18ea5be29fabcb72544eab09f1b5772209f1552f28577b154519a34e04ff7c68a1dfaef722d64345f99117531ec08cfd6ad182546
ripemd-160 231a6563bb403469af36cca8356bbd5858d8f858

397397728 as geometric shapes

Circle

Radius = n
Diameter 794795456
Circumference 2496923565.6761
Area 4.9613587599468E+17

Sphere

Radius = n
Volume 2.628843598661E+26
Surface area 1.9845435039787E+18
Circumference 2496923565.6761

Square

Length = n
Perimeter 1589590912
Area 157924954219561984
Diagonal 562005256.59385

Cube

Length = n
Surface area 947549725317371904
Volume 6.2759018001358E+25
Space diagonal 688313055.70844

Equilateral Triangle

Length = n
Perimeter 1192193184
Area 6.8383511122818E+16
Altitude 344156527.85422

Triangular Pyramid

Length = n
Surface area 6.8383511122818E+16
Volume 7.3962212015615E+24
Height 187335085.53128