20768097840

Names of 20768097840

• Cardinal: 20768097840 can be written as Twenty billion, seven hundred sixty-eight million, ninety-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.076809784 × 10¹⁰

Factors of 20768097840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1702

Divisors of 20768097840

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 35 40 42 48 56 60 62 70 80 84 93 105 112 120 124 140 155 168 186 210 217 240 248 280 293 310 336 372 420 434 465 496 560 586 620 651 744 840 868 879 930 1085 1172 1240 1302 1361 1465 1488 1680 1736 1758 1860 2051 2170 2344 2480 2604 2722 2930 3255 3472 3516 3720 4083 4102 4340 4395 4688 5208 5444 5860 6153 6510 6805 7032 7440 8166 8204 8680 8790 9083 9527 10255 10416 10888 11720 12306 13020 13610 14064 16332 16408 17360 17580 18166 19054 20415 20510 21776 23440 24612 26040 27220 27249 28581 30765 32664 32816 35160 36332 38108 40830 41020 42191 45415 47635 49224 52080 54440 54498 57162 61530 63581 65328 70320 72664 76216 81660 82040 84382 90830 95270 98448 108880 108996 114324 123060 126573 127162 136245 142905 145328 152432 163320 164080 168764 181660 190540 190743 210955 217992 228648 246120 253146 254324 272490 285810 295337 317905 326640 337528 363320 381080 381486 398773 421910 435984 457296 492240 506292 508648 544980 571620 590674 632865 635810 675056 726640 762160 762972 797546 843820 886011 953715 1012584 1017296 1089960 1143240 1181348 1196319 1265730 1271620 1476685 1525944 1595092 1687640 1772022 1907430 1993865 2025168 2179920 2286480 2362696 2392638 2531460 2543240 2791411 2953370 3051888 3190184 3375280 3544044 3814860 3987730 4430055 4725392 4785276 5062920 5086480 5582822 5906740 5981595 6380368 7088088 7629720 7975460 8374233 8860110 9570552 10125840 11165644 11813480 11963190 12361963 13957055 14176176 15259440 15950920 16748466 17720220 19141104 22331288 23626960 23926380 24723926 27914110 31901840 33496932 35440440 37085889 41871165 44662576 47852760 49447852 55828220 61809815 66993864 70880880 74171778 83742330 86533741 95705520 98895704 111656440 123619630 133987728 148343556 167484660 173067482 185429445 197791408 223312880 247239260 259601223 296687112 334969320 346134964 370858890 432668705 494478520 519202446 593374224 669938640 692269928 741717780 865337410 988957040 1038404892 1298006115 1384539856 1483435560 1730674820 2076809784 2596012230 2966871120 3461349640 4153619568 5192024460 6922699280 10384048920 20768097840
• Sum of all divisors σ(n): 76267118592
• Sum of proper divisors (its aliquot sum) s(n): 55499020752
• 20768097840 is an abundant number, because the sum of its proper divisors (55499020752) is greater than itself. Its abundance is 34730922912

Bases of 20768097840

• Binary: 10011010101111000000000011000110000₂
• Hexadecimal: 0x4D5E00630
• Base-36: 9JGSEUO

Squares and roots of 20768097840

• 20768097840 squared (20768097840²) is 431313887891812665600
• 20768097840 cubed (20768097840³) is 8957569023487956774132002304000
• The square root of 20768097840 is 144111.4077372087
• The cube root of 20768097840 is 2748.7309997385

Scales and comparisons

• 20,768,097,840 seconds is equal to 660 years, 18 weeks, 5 days, 12 hours, 4 minutes.
• To count from 1 to 20,768,097,840 would take you about one thousand, three hundred twenty 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 20768097840 cubic inches would be around 229.1 feet tall.

Recreational maths with 20768097840

• 20768097840 backwards is 04879086702
• The number of decimal digits it has is: 11
• The sum of 20768097840's digits is 51
• More coming soon!