130028920

Names of 130028920

• Cardinal: 130028920 can be written as One hundred thirty million, twenty-eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3002892 × 10⁸

Factors of 130028920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 553

Divisors of 130028920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 59 68 70 85 118 119 136 140 170 236 238 280 295 340 413 463 472 476 590 595 680 826 926 952 1003 1180 1190 1652 1852 2006 2065 2315 2360 2380 3241 3304 3704 4012 4130 4630 4760 5015 6482 7021 7871 8024 8260 9260 10030 12964 14042 15742 16205 16520 18520 20060 25928 27317 28084 31484 32410 35105 39355 40120 54634 55097 56168 62968 64820 70210 78710 109268 110194 129640 136585 140420 157420 191219 218536 220388 273170 275485 280840 314840 382438 440776 464389 546340 550970 764876 928778 956095 1092680 1101940 1529752 1857556 1912190 2203880 2321945 3250723 3715112 3824380 4643890 6501446 7648760 9287780 13002892 16253615 18575560 26005784 32507230 65014460 130028920
• Sum of all divisors σ(n): 360806400
• Sum of proper divisors (its aliquot sum) s(n): 230777480
• 130028920 is an abundant number, because the sum of its proper divisors (230777480) is greater than itself. Its abundance is 100748560

Bases of 130028920

• Binary: 111110000000001010101111000₂
• Hexadecimal: 0x7C01578
• Base-36: 25EYYG

Squares and roots of 130028920

• 130028920 squared (130028920²) is 16907520036366400
• 130028920 cubed (130028920³) is 2198466570207083716288000
• The square root of 130028920 is 11403.0224063623
• The cube root of 130028920 is 506.6172639579

Scales and comparisons

• 130,028,920 seconds is equal to 4 years, 6 weeks, 6 days, 23 hours, 8 minutes, 40 seconds.
• To count from 1 to 130,028,920 would take you about six years!

  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 130028920 cubic inches would be around 42.2 feet tall.

Recreational maths with 130028920

• 130028920 backwards is 029820031
• The number of decimal digits it has is: 9
• The sum of 130028920's digits is 25
• More coming soon!