1420728930

Names of 1420728930

• Cardinal: 1420728930 can be written as One billion, four hundred twenty million, seven hundred twenty-eight thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.42072893 × 10⁹

Factors of 1420728930

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3315

Divisors of 1420728930

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 97 102 135 153 170 194 255 270 291 306 459 485 510 582 765 873 918 970 1455 1530 1649 1746 2295 2619 2910 3191 3298 4365 4590 4947 5238 6382 8245 8730 9573 9894 13095 14841 15955 16490 19146 24735 26190 28719 29682 31910 44523 47865 49470 54247 57438 74205 86157 89046 95730 108494 143595 148410 162741 172314 222615 271235 287190 309527 325482 430785 445230 488223 542470 619054 813705 861570 928581 976446 1464669 1547635 1627410 1857162 2441115 2785743 2929338 3095270 4642905 4882230 5261959 5571486 7323345 8357229 9285810 10523918 13928715 14646690 15785877 16714458 26309795 27857430 31571754 41786145 47357631 52619590 78929385 83572290 94715262 142072893 157858770 236788155 284145786 473576310 710364465 1420728930
• Sum of all divisors σ(n): 4054095360
• Sum of proper divisors (its aliquot sum) s(n): 2633366430
• 1420728930 is an abundant number, because the sum of its proper divisors (2633366430) is greater than itself. Its abundance is 1212637500

Bases of 1420728930

• Binary: 1010100101011101001101001100010₂
• Hexadecimal: 0x54AE9A62
• Base-36: NHV5GI

Squares and roots of 1420728930

• 1420728930 squared (1420728930²) is 2018470692538944900
• 1420728930 cubed (1420728930³) is 2867699707247214171105957000
• The square root of 1420728930 is 37692.5580187919
• The cube root of 1420728930 is 1124.1831581607

Scales and comparisons

• 1,420,728,930 seconds is equal to 45 years, 9 weeks, 14 hours, 55 minutes, 30 seconds.
• To count from 1 to 1,420,728,930 would take you about ninety 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 1420728930 cubic inches would be around 93.7 feet tall.

Recreational maths with 1420728930

• 1420728930 backwards is 0398270241
• The number of decimal digits it has is: 10
• The sum of 1420728930's digits is 36
• More coming soon!