1643728013235

Names of 1643728013235

• Cardinal: 1643728013235 can be written as One trillion, six hundred forty-three billion, seven hundred twenty-eight million, thirteen thousand, two hundred thirty-five.

Scientific notation

• Scientific notation: 1.643728013235 × 10¹²

Factors of 1643728013235

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 225

Divisors of 1643728013235

• Number of divisors d(n): 300
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 81 99 105 121 135 165 189 199 231 297 315 363 385 405 495 567 597 605 693 847 891 945 995 1089 1155 1331 1393 1485 1791 1815 2079 2189 2541 2835 2985 3267 3465 3993 4179 4235 4455 5373 5445 6237 6567 6655 6965 7623 8955 9317 9801 10395 10945 11979 12537 12705 14641 15323 16119 16335 19701 19965 20895 22869 24079 26865 27951 31185 32835 35937 37611 38115 39601 43923 45969 46585 49005 59103 59895 62685 68607 72237 73205 76615 80595 83853 98505 102487 107811 112833 114345 118803 120395 131769 137907 139755 168553 177309 179685 188055 198005 216711 219615 229845 251559 264869 277207 295515 307461 343035 356409 361185 395307 413721 419265 435611 505659 512435 539055 564165 594015 650133 658845 689535 754677 794607 831621 842765 886545 922383 1069227 1083555 1185921 1241163 1257795 1306833 1324345 1386035 1516977 1537305 1782045 1854083 1950399 1976535 2068605 2178055 2383821 2494863 2528295 2767149 2913559 3049277 3207681 3250665 3773385 3920499 3973035 4158105 4550931 4611915 4791721 5346135 5562249 5929605 6205815 6534165 7151463 7484589 7584885 8301447 8740677 9147831 9270415 9751995 11761497 11919105 12474315 13652793 13835745 14375163 14567795 15246385 16038405 16686747 19602495 20394913 21454389 22453767 22754655 23958605 26222031 27443493 27811245 33542047 35284491 35757315 37422945 41507235 43125489 43703385 45739155 50060241 52708931 58807485 61184739 68263965 71875815 78666093 82330479 83433735 100626141 101974565 107271945 112268835 129376467 131110155 137217465 150180723 158126793 167710235 176422455 183554217 215627445 235998279 246991437 250301205 263544655 301878423 305923695 368962517 388129401 393330465 411652395 474380379 503130705 550662651 579798241 646882335 750903615 790633965 905635269 917771085 1106887551 1179991395 1234957185 1423141137 1509392115 1651987953 1739394723 1844812585 1940647005 2371901895 2716905807 2753313255 2898991205 3320662653 4058587687 4269423411 4528176345 5218184169 5534437755 7115705685 8259939765 8696973615 9961987959 12175763061 13584529035 15654552507 16603313265 20292938435 21347117055 26090920845 29885963877 36527289183 46963657521 49809939795 60878815305 78272762535 109581867549 149429819385 182636445915 234818287605 328745602647 547909337745 1643728013235
• Sum of all divisors σ(n): 3722899569840
• Sum of proper divisors (its aliquot sum) s(n): 2079171556605
• 1643728013235 is an abundant number, because the sum of its proper divisors (2079171556605) is greater than itself. Its abundance is 435443543370

Bases of 1643728013235

• Binary: 10111111010110101110100110000011110110011₂
• Hexadecimal: 0x17EB5D307B3
• Base-36: KZ497W6R

Squares and roots of 1643728013235

• 1643728013235 squared (1643728013235²) is 2701841781493480335165225
• 1643728013235 cubed (1643728013235³) is 4441093023569591422426677194711752875
• The square root of 1643728013235 is 1282079.5658753009
• The cube root of 1643728013235 is 11801.6659843375

Scales and comparisons

• 1,643,728,013,235 seconds is equal to 52,265 years, 24 weeks, 1 day, 18 hours, 47 minutes, 15 seconds.
• To count from 1 to 1,643,728,013,235 would take you about one hundred thirty thousand, six hundred sixty-three 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 1643728013235 cubic inches would be around 983.5 feet tall.

Recreational maths with 1643728013235

• 1643728013235 backwards is 5323108273461
• 1643728013235 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1643728013235's digits is 45
• More coming soon!