28229520

Names of 28229520

• Cardinal: 28229520 can be written as Twenty-eight million, two hundred twenty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.822952 × 10⁷

Factors of 28229520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 75

Divisors of 28229520

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 30 33 34 37 40 44 48 51 55 60 66 68 74 80 85 88 102 110 111 120 132 136 148 165 170 176 185 187 204 220 222 240 255 264 272 289 296 330 340 370 374 407 408 440 444 510 528 555 561 578 592 629 660 680 740 748 814 816 867 880 888 935 1020 1110 1122 1156 1221 1258 1320 1360 1445 1480 1496 1628 1734 1776 1870 1887 2035 2040 2220 2244 2312 2442 2516 2640 2805 2890 2960 2992 3145 3179 3256 3468 3740 3774 4070 4080 4335 4440 4488 4624 4884 5032 5610 5780 6105 6290 6358 6512 6919 6936 7480 7548 8140 8670 8880 8976 9435 9537 9768 10064 10693 11220 11560 12210 12580 12716 13838 13872 14960 15096 15895 16280 17340 18870 19074 19536 20757 21386 22440 23120 24420 25160 25432 27676 30192 31790 32079 32560 34595 34680 37740 38148 41514 42772 44880 47685 48840 50320 50864 53465 55352 63580 64158 69190 69360 75480 76296 83028 85544 95370 97680 103785 106930 110704 117623 127160 128316 138380 150960 152592 160395 166056 171088 190740 207570 213860 235246 254320 256632 276760 320790 332112 352869 381480 415140 427720 470492 513264 553520 588115 641580 705738 762960 830280 855440 940984 1176230 1283160 1411476 1660560 1764345 1881968 2352460 2566320 2822952 3528690 4704920 5645904 7057380 9409840 14114760 28229520
• Sum of all divisors σ(n): 104154048
• Sum of proper divisors (its aliquot sum) s(n): 75924528
• 28229520 is an abundant number, because the sum of its proper divisors (75924528) is greater than itself. Its abundance is 47695008

Bases of 28229520

• Binary: 1101011101011111110010000₂
• Hexadecimal: 0x1AEBF90
• Base-36: GT21C

Squares and roots of 28229520

• 28229520 squared (28229520²) is 796905799430400
• 28229520 cubed (28229520³) is 22496268203136465408000
• The square root of 28229520 is 5313.1459607279
• The cube root of 28229520 is 304.4863521537

Scales and comparisons

• 28,229,520 seconds is equal to 46 weeks, 4 days, 17 hours, 32 minutes.
• To count from 1 to 28,229,520 would take you about eighteen weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28229520 cubic inches would be around 25.4 feet tall.

Recreational maths with 28229520

• 28229520 backwards is 02592282
• 28229520 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28229520's digits is 30
• More coming soon!