1640330640

Names of 1640330640

• Cardinal: 1640330640 can be written as One billion, six hundred forty million, three hundred thirty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.64033064 × 10⁹

Factors of 1640330640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1209

Divisors of 1640330640

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 173 180 195 208 234 240 260 312 346 360 390 468 519 520 585 624 692 720 780 865 936 1013 1038 1040 1170 1384 1557 1560 1730 1872 2026 2076 2249 2340 2595 2768 3039 3114 3120 3460 4052 4152 4498 4680 5065 5190 6078 6228 6747 6920 7785 8104 8304 8996 9117 9360 10130 10380 11245 12156 12456 13169 13494 13840 15195 15570 16208 17992 18234 20241 20260 20760 22490 24312 24912 26338 26988 30390 31140 33735 35984 36468 39507 40482 40520 41520 44980 45585 48624 52676 53976 60780 62280 65845 67470 72936 79014 80964 81040 89960 91170 101205 105352 107952 118521 121560 124560 131690 134940 145872 158028 161928 175249 179920 182340 197535 202410 210704 237042 243120 263380 269880 316056 323856 350498 364680 395070 404820 474084 525747 526760 539760 592605 632112 700996 729360 790140 809640 876245 948168 1051494 1053520 1185210 1401992 1577241 1580280 1619280 1752490 1896336 2102988 2278237 2370420 2628735 2803984 3154482 3160560 3504980 4205976 4556474 4740840 5257470 6308964 6834711 7009960 7886205 8411952 9112948 9481680 10514940 11391185 12617928 13669422 14019920 15772410 18225896 20504133 21029880 22782370 25235856 27338844 31544820 34173555 36451792 41008266 42059760 45564740 54677688 63089640 68347110 82016532 91129480 102520665 109355376 126179280 136694220 164033064 182258960 205041330 273388440 328066128 410082660 546776880 820165320 1640330640
• Sum of all divisors σ(n): 5972711472
• Sum of proper divisors (its aliquot sum) s(n): 4332380832
• 1640330640 is an abundant number, because the sum of its proper divisors (4332380832) is greater than itself. Its abundance is 2692050192

Bases of 1640330640

• Binary: 1100001110001010111010110010000₂
• Hexadecimal: 0x61C57590
• Base-36: R4LZ80

Squares and roots of 1640330640

• 1640330640 squared (1640330640²) is 2690684608522809600
• 1640330640 cubed (1640330640³) is 4413612405936369725766144000
• The square root of 1640330640 is 40500.9955433197
• The cube root of 1640330640 is 1179.3529536969

Scales and comparisons

• 1,640,330,640 seconds is equal to 52 years, 8 weeks, 1 day, 7 hours, 24 minutes.
• To count from 1 to 1,640,330,640 would take you about one hundred four 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 1640330640 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640330640

• 1640330640 backwards is 0460330461
• The number of decimal digits it has is: 10
• The sum of 1640330640's digits is 27
• More coming soon!