1394929890

Names of 1394929890

• Cardinal: 1394929890 can be written as One billion, three hundred ninety-four million, nine hundred twenty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.39492989 × 10⁹

Factors of 1394929890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1067

Divisors of 1394929890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 43 45 54 86 90 129 135 137 215 258 270 274 387 411 430 645 685 774 822 877 1161 1233 1290 1370 1754 1935 2055 2322 2466 2631 3699 3870 4110 4385 5262 5805 5891 6165 7398 7893 8770 11610 11782 12330 13155 15786 17673 18495 23679 26310 29455 35346 36990 37711 39465 47358 53019 58910 75422 78930 88365 106038 113133 118395 120149 159057 176730 188555 226266 236790 240298 265095 318114 339399 360447 377110 530190 565665 600745 678798 720894 795285 1018197 1081341 1131330 1201490 1590570 1696995 1802235 2036394 2162682 3244023 3393990 3604470 5090985 5166407 5406705 6488046 10181970 10332814 10813410 15499221 16220115 25832035 30998442 32440230 46497663 51664070 77496105 92995326 139492989 154992210 232488315 278985978 464976630 697464945 1394929890
• Sum of all divisors σ(n): 3838475520
• Sum of proper divisors (its aliquot sum) s(n): 2443545630
• 1394929890 is an abundant number, because the sum of its proper divisors (2443545630) is greater than itself. Its abundance is 1048615740

Bases of 1394929890

• Binary: 1010011001001001111000011100010₂
• Hexadecimal: 0x5324F0E2
• Base-36: N2I6SI

Squares and roots of 1394929890

• 1394929890 squared (1394929890²) is 1945829398015412100
• 1394929890 cubed (1394929890³) is 2714295588132405018957669000
• The square root of 1394929890 is 37348.7602203875
• The cube root of 1394929890 is 1117.3368619113

Scales and comparisons

• 1,394,929,890 seconds is equal to 44 years, 18 weeks, 3 days, 31 minutes, 30 seconds.
• To count from 1 to 1,394,929,890 would take you about eighty-eight 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 1394929890 cubic inches would be around 93.1 feet tall.

Recreational maths with 1394929890

• 1394929890 backwards is 0989294931
• 1394929890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1394929890's digits is 54
• More coming soon!