1438008390

Names of 1438008390

• Cardinal: 1438008390 can be written as One billion, four hundred thirty-eight million, eight thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.43800839 × 10⁹

Factors of 1438008390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 959

Divisors of 1438008390

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 49 54 63 65 70 78 81 90 91 98 105 117 126 130 135 147 162 182 189 195 210 234 243 245 270 273 294 315 351 378 390 405 441 455 486 490 546 567 585 630 637 702 735 810 819 882 910 929 945 1053 1134 1170 1215 1274 1323 1365 1470 1638 1701 1755 1858 1890 1911 2106 2205 2430 2457 2646 2730 2787 2835 3159 3185 3402 3510 3822 3969 4095 4410 4645 4914 5265 5574 5670 5733 6318 6370 6503 6615 7371 7938 8190 8361 8505 9290 9555 10530 11466 11907 12077 12285 13006 13230 13935 14742 15795 16722 17010 17199 19110 19509 19845 22113 23814 24154 24570 25083 27870 28665 31590 32515 34398 36231 36855 39018 39690 41805 44226 45521 50166 51597 57330 58527 59535 60385 65030 72462 73710 75249 83610 84539 85995 91042 97545 103194 108693 110565 117054 119070 120770 125415 136563 150498 154791 169078 171990 175581 181155 195090 217386 221130 225747 227605 250830 253617 257985 273126 292635 309582 326079 351162 362310 376245 409689 422695 451494 455210 507234 515970 526743 543465 585270 591773 652158 682815 752490 760851 773955 819378 845390 877905 978237 1053486 1086930 1128735 1183546 1229067 1268085 1365630 1521702 1547910 1580229 1630395 1755810 1775319 1956474 2048445 2257470 2282553 2458134 2536170 2633715 2934711 2958865 3160458 3260790 3550638 3687201 3804255 4096890 4565106 4891185 5267430 5325957 5869422 5917730 6145335 6847659 7374402 7608510 7901145 8876595 9782370 10651914 11061603 11412765 12290670 13695318 14673555 15802290 15977871 17753190 18436005 20542977 22123206 22825530 26629785 29347110 31955742 34238295 36872010 41085954 47933613 53259570 55308015 68476590 79889355 95867226 102714885 110616030 143800839 159778710 205429770 239668065 287601678 479336130 719004195 1438008390
• Sum of all divisors σ(n): 4862501280
• Sum of proper divisors (its aliquot sum) s(n): 3424492890
• 1438008390 is an abundant number, because the sum of its proper divisors (3424492890) is greater than itself. Its abundance is 1986484500

Bases of 1438008390

• Binary: 1010101101101100100010001000110₂
• Hexadecimal: 0x55B64446
• Base-36: NS5IDI

Squares and roots of 1438008390

• 1438008390 squared (1438008390²) is 2067868129710392100
• 1438008390 cubed (1438008390³) is 2973611719937152109989719000
• The square root of 1438008390 is 37921.0810763617
• The cube root of 1438008390 is 1128.7223898061

Scales and comparisons

• 1,438,008,390 seconds is equal to 45 years, 37 weeks, 4 days, 14 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,438,008,390 would take you about ninety-one 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 1438008390 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438008390

• 1438008390 backwards is 0938008341
• The number of decimal digits it has is: 10
• The sum of 1438008390's digits is 36
• More coming soon!