2143942020

Names of 2143942020

• Cardinal: 2143942020 can be written as Two billion, one hundred forty-three million, nine hundred forty-two thousand and twenty.

Scientific notation

• Scientific notation: 2.14394202 × 10⁹

Factors of 2143942020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3933

Divisors of 2143942020

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 31 33 36 44 45 54 55 60 62 66 81 90 93 99 108 110 124 132 135 155 162 165 180 186 198 220 270 279 297 310 324 330 341 372 396 405 465 495 540 558 594 620 660 682 810 837 891 930 990 1023 1116 1188 1364 1395 1485 1620 1674 1705 1782 1860 1980 2046 2511 2790 2970 3069 3348 3410 3564 3881 4092 4185 4455 5022 5115 5580 5940 6138 6820 7762 8370 8910 9207 10044 10230 11643 12276 12555 15345 15524 16740 17820 18414 19405 20460 23286 25110 27621 30690 34929 36828 38810 42691 46035 46572 50220 55242 58215 61380 69858 77620 85382 92070 104787 110484 116430 120311 128073 138105 139716 170764 174645 184140 209574 213455 232860 240622 256146 276210 314361 349290 360933 384219 419148 426910 481244 512292 523935 552420 601555 628722 640365 698580 721866 768438 853820 1047870 1082799 1152657 1203110 1257444 1280730 1323421 1443732 1536876 1571805 1804665 1921095 2095740 2165598 2305314 2406220 2561460 2646842 3143610 3248397 3457971 3609330 3842190 3970263 4331196 4610628 5293684 5413995 5763285 6287220 6496794 6617105 6915942 7218660 7684380 7940526 9745191 10827990 11526570 11910789 12993588 13234210 13831884 15881052 16241985 17289855 19490382 19851315 21655980 23053140 23821578 26468420 32483970 34579710 35732367 38980764 39702630 47643156 48725955 59553945 64967940 69159420 71464734 79405260 97451910 107197101 119107890 142929468 178661835 194903820 214394202 238215780 357323670 428788404 535985505 714647340 1071971010 2143942020
• Sum of all divisors σ(n): 7575676416
• Sum of proper divisors (its aliquot sum) s(n): 5431734396
• 2143942020 is an abundant number, because the sum of its proper divisors (5431734396) is greater than itself. Its abundance is 3287792376

Bases of 2143942020

• Binary: 1111111110010011111010110000100₂
• Hexadecimal: 0x7FC9F584
• Base-36: ZGG490

Squares and roots of 2143942020

• 2143942020 squared (2143942020²) is 4596487385121680400
• 2143942020 cubed (2143942020³) is 9854602449362293422570408000
• The square root of 2143942020 is 46302.7215182865
• The cube root of 2143942020 is 1289.4495217545

Scales and comparisons

• 2,143,942,020 seconds is equal to 68 years, 8 weeks, 6 days, 3 hours, 27 minutes.
• To count from 1 to 2,143,942,020 would take you about one hundred thirty-six 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 2143942020 cubic inches would be around 107.5 feet tall.

Recreational maths with 2143942020

• 2143942020 backwards is 0202493412
• 2143942020 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2143942020's digits is 27
• More coming soon!