19742293890

Names of 19742293890

• Cardinal: 19742293890 can be written as Nineteen billion, seven hundred forty-two million, two hundred ninety-three thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.974229389 × 10¹⁰

Factors of 19742293890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6969

Divisors of 19742293890

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 90 93 99 110 135 155 165 186 198 270 279 297 310 330 341 465 495 558 594 682 837 930 961 990 1023 1395 1485 1674 1705 1922 2046 2790 2883 2970 3069 3410 4185 4805 5115 5766 6138 6917 8370 8649 9207 9610 10230 10571 13834 14415 15345 17298 18414 20751 21142 25947 28830 30690 31713 34585 41502 43245 46035 51894 52855 62253 63426 69170 76087 86490 92070 95139 103755 105710 124506 129735 152174 158565 186759 190278 207510 214427 228261 259470 285417 311265 317130 373518 380435 428854 456522 475695 570834 622530 643281 684783 760870 933795 951390 1072135 1141305 1286562 1369566 1427085 1867590 1929843 2054349 2144270 2282610 2358697 2854170 3216405 3423915 3859686 4108698 4717394 5789529 6432810 6647237 6847830 7076091 9649215 10271745 11579058 11793485 13294474 14152182 19298430 19941711 20543490 21228273 23586970 28947645 33236185 35380455 39883422 42456546 57895290 59825133 63684819 66472370 70760910 73119607 99708555 106141365 119650266 127369638 146239214 179475399 199417110 212282730 219358821 299125665 318424095 358950798 365598035 438717642 598251330 636848190 658076463 731196070 897376995 1096794105 1316152926 1794753990 1974229389 2193588210 3290382315 3948458778 6580764630 9871146945 19742293890
• Sum of all divisors σ(n): 59353119360
• Sum of proper divisors (its aliquot sum) s(n): 39610825470
• 19742293890 is an abundant number, because the sum of its proper divisors (39610825470) is greater than itself. Its abundance is 19868531580

Bases of 19742293890

• Binary: 10010011000101110110111111110000010₂
• Hexadecimal: 0x498BB7F82
• Base-36: 92I1VGI

Squares and roots of 19742293890

• 19742293890 squared (19742293890²) is 389758168039131332100
• 19742293890 cubed (19742293890³) is 7694720299456535778625390869000
• The square root of 19742293890 is 140507.2734416265
• The cube root of 19742293890 is 2702.7084796365

Scales and comparisons

• 19,742,293,890 seconds is equal to 627 years, 38 weeks, 4 days, 18 hours, 31 minutes, 30 seconds.
• To count from 1 to 19,742,293,890 would take you about one thousand, two hundred fifty-five 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 19742293890 cubic inches would be around 225.2 feet tall.

Recreational maths with 19742293890

• 19742293890 backwards is 09839224791
• 19742293890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19742293890's digits is 54
• More coming soon!