19205140720

Names of 19205140720

• Cardinal: 19205140720 can be written as Nineteen billion, two hundred five million, one hundred forty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.920514072 × 10¹⁰

Factors of 19205140720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5529

Divisors of 19205140720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 34 38 40 68 76 80 85 95 136 139 152 170 190 272 278 304 323 340 380 556 646 680 695 760 1112 1292 1360 1390 1520 1615 2224 2363 2584 2641 2780 3230 4726 5168 5282 5347 5560 6460 9452 10564 10694 11120 11815 12920 13205 18904 21128 21388 23630 25840 26410 26735 37808 42256 42776 44897 47260 52820 53470 85552 89794 90899 94520 101593 105640 106940 179588 181798 189040 203186 211280 213880 224485 359176 363596 406372 427760 448970 454495 507965 718352 727192 743233 812744 897940 908990 1015930 1454384 1486466 1625488 1727081 1795880 1817980 2031860 2972932 3454162 3591760 3635960 3716165 4063720 5945864 6908324 7271920 7432330 8127440 8635405 11891728 12634961 13816648 14121427 14864660 17270810 25269922 27633296 28242854 29729320 34541620 50539844 56485708 59458640 63174805 69083240 70607135 101079688 112971416 126349610 138166480 141214270 202159376 225942832 240064259 252699220 282428540 480128518 505398440 564857080 960257036 1010796880 1129714160 1200321295 1920514072 2400642590 3841028144 4801285180 9602570360 19205140720
• Sum of all divisors σ(n): 50134291200
• Sum of proper divisors (its aliquot sum) s(n): 30929150480
• 19205140720 is an abundant number, because the sum of its proper divisors (30929150480) is greater than itself. Its abundance is 11724009760

Bases of 19205140720

• Binary: 10001111000101101110011000011110000₂
• Hexadecimal: 0x478B730F0
• Base-36: 8TM8TF4

Squares and roots of 19205140720

• 19205140720 squared (19205140720²) is 368837430075002118400
• 19205140720 cubed (19205140720³) is 7083574747393575838170101248000
• The square root of 19205140720 is 138582.6133394807
• The cube root of 19205140720 is 2677.9707628469

Scales and comparisons

• 19,205,140,720 seconds is equal to 610 years, 34 weeks, 3 days, 17 hours, 18 minutes, 40 seconds.
• To count from 1 to 19,205,140,720 would take you about one thousand, two hundred twenty-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 19205140720 cubic inches would be around 223.2 feet tall.

Recreational maths with 19205140720

• 19205140720 backwards is 02704150291
• The number of decimal digits it has is: 11
• The sum of 19205140720's digits is 31
• More coming soon!