20205313920

Names of 20205313920

• Cardinal: 20205313920 can be written as Twenty billion, two hundred five million, three hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.020531392 × 10¹⁰

Factors of 20205313920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 179

Divisors of 20205313920

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 31 32 33 36 40 44 45 48 54 55 60 62 64 66 72 80 81 88 90 93 96 99 108 110 120 124 127 128 132 135 144 155 160 162 165 176 180 186 192 198 216 220 240 243 248 254 264 270 279 288 297 310 320 324 330 341 352 360 372 381 384 396 405 432 440 465 480 486 495 496 508 528 540 558 576 594 620 635 640 648 660 682 704 720 729 744 762 792 810 837 864 880 891 930 960 972 990 992 1016 1023 1056 1080 1116 1143 1152 1188 1215 1240 1270 1296 1320 1364 1395 1397 1408 1440 1458 1485 1488 1524 1584 1620 1674 1705 1728 1760 1782 1860 1905 1920 1944 1980 1984 2032 2046 2112 2160 2232 2286 2376 2430 2480 2511 2540 2592 2640 2673 2728 2790 2794 2880 2916 2970 2976 3048 3069 3168 3240 3348 3410 3429 3456 3520 3564 3645 3720 3810 3888 3937 3960 3968 4064 4092 4185 4191 4224 4320 4455 4464 4572 4752 4860 4960 5022 5080 5115 5184 5280 5346 5456 5580 5588 5715 5760 5832 5940 5952 6096 6138 6336 6480 6696 6820 6858 6985 7040 7128 7290 7440 7533 7620 7776 7874 7920 8019 8128 8184 8370 8382 8640 8910 8928 9144 9207 9504 9720 9920 10044 10160 10230 10287 10368 10560 10692 10912 11160 11176 11430 11664 11811 11880 11904 12192 12276 12555 12573 12672 12960 13365 13392 13640 13716 13970 14256 14580 14880 15066 15240 15345 15552 15748 15840 16038 16256 16368 16740 16764 17145 17280 17820 17856 18288 18414 19008 19440 19685 19840 20088 20320 20460 20574 20955 21120 21384 21824 22320 22352 22599 22860 23328 23622 23760 24384 24552 25110 25146 25920 26730 26784 27280 27432 27621 27940 28512 29160 29760 30132 30480 30690 30861 31104 31496 31680 32076 32736 33480 33528 34290 35433 35640 35712 36576 36828 37665 37719 38016 38880 39370 40095 40176 40640 40920 41148 41910 42768 43307 43648 44640 44704 45198 45720 46035 46656 47244 47520 48768 49104 50220 50292 51435 51840 53460 53568 54560 54864 55242 55880 57024 58320 59055 59520 60264 60960 61380 61722 62865 62992 63360 64152 65472 66960 67056 68580 70866 71280 73152 73656 75330 75438 77760 78740 80190 80352 81280 81840 82296 82863 83820 85536 86614 89280 89408 90396 91440 92070 92583 93312 94488 95040 98208 100440 100584 102870 106299 106920 107136 109120 109728 110484 111760 112995 113157 114048 116640 118110 120528 121920 122760 123444 125730 125984 128304 129921 130944 133920 134112 137160 138105 141732 142560 146304 147312 150660 150876 154305 155520 157480 160380 160704 163680 164592 165726 167640 171072 173228 177165 178560 178816 180792 182880 184140 185166 188595 188976 190080 196416 200880 201168 205740 212598 213840 216535 218240 219456 220968 223520 225990 226314 233280 236220 241056 243840 245520 246888 248589 251460 251968 256608 259842 267840 268224 274320 276210 283464 285120 294624 301320 301752 308610 314960 318897 320760 321408 327360 329184 331452 335280 339471 342144 346456 354330 361584 365760 368280 370332 377190 377952 389763 392832 401760 402336 411480 414315 425196 427680 433070 438912 441936 447040 451980 452628 462915 466560 472440 482112 491040 493776 497178 502920 503936 513216 519684 531495 535680 536448 548640 552420 565785 566928 570240 589248 602640 603504 617220 629920 637794 641520 649605 654720 658368 662904 670560 678942 692912 708660 723168 731520 736560 740664 754380 755904 779526 803520 804672 822960 828630 850392 855360 866140 883872 894080 903960 905256 925830 944880 956691 964224 982080 987552 994356 1005840 1018413 1026432 1039368 1062990 1097280 1104840 1131570 1133856 1169289 1178496 1205280 1207008 1234440 1242945 1259840 1275588 1283040 1299210 1316736 1325808 1341120 1357884 1385824 1417320 1446336 1473120 1481328 1508760 1511808 1559052 1594485 1607040 1609344 1645920 1657260 1697355 1700784 1710720 1732280 1767744 1807920 1810512 1851660 1889760 1913382 1948815 1964160 1975104 1988712 2011680 2036826 2078736 2125980 2194560 2209680 2263140 2267712 2338578 2410560 2414016 2468880 2485890 2519680 2551176 2566080 2598420 2651616 2682240 2715768 2771648 2834640 2870073 2892672 2946240 2962656 3017520 3118104 3188970 3291840 3314520 3394710 3401568 3464560 3507867 3535488 3615840 3621024 3703320 3779520 3826764 3897630 3950208 3977424 4023360 4073652 4157472 4251960 4419360 4526280 4535424 4677156 4783455 4821120 4828032 4937760 4971780 5092065 5102352 5132160 5196840 5303232 5431536 5543296 5669280 5740146 5846445 5892480 5925312 6035040 6236208 6377940 6583680 6629040 6789420 6803136 6929120 7015734 7231680 7242048 7406640 7559040 7653528 7795260 7954848 8046720 8147304 8314944 8503920 8838720 9052560 9354312 9566910 9875520 9943560 10184130 10204704 10393680 10523601 10606464 10863072 11338560 11480292 11692890 11850624 12070080 12472416 12755880 13258080 13578840 13606272 13858240 14031468 14350365 14463360 14484096 14813280 15307056 15590520 15909696 16294608 16629888 17007840 17539335 17677440 18105120 18708624 19133820 19751040 19887120 20368260 20409408 20787360 21047202 21726144 22677120 22960584 23385780 24140160 24944832 25511760 26516160 27157680 27716480 28062936 28700730 29626560 30614112 31181040 31570803 31819392 32589216 34015680 35078670 36210240 37417248 38267640 39774240 40736520 40818816 41574720 42094404 43452288 45921168 46771560 49889664 51023520 52618005 53032320 54315360 56125872 57401460 59253120 61228224 62362080 63141606 65178432 68031360 70157340 72420480 74834496 76535280 79548480 81473040 83149440 84188808 91842336 93543120 102047040 105236010 108630720 112251744 114802920 122456448 124724160 126283212 130356864 140314680 149668992 153070560 157854015 159096960 162946080 168377616 183684672 187086240 204094080 210472020 217261440 224503488 229605840 249448320 252566424 280629360 306141120 315708030 325892160 336755232 367369344 374172480 420944040 449006976 459211680 505132848 561258720 612282240 631416060 651784320 673510464 748344960 841888080 918423360 1010265696 1122517440 1262832120 1347020928 1683776160 1836846720 2020531392 2245034880 2525664240 3367552320 4041062784 5051328480 6735104640 10102656960 20205313920
• Sum of all divisors σ(n): 82196398080
• Sum of proper divisors (its aliquot sum) s(n): 61991084160
• 20205313920 is an abundant number, because the sum of its proper divisors (61991084160) is greater than itself. Its abundance is 41785770240

Bases of 20205313920

• Binary: 10010110100010101001001111110000000₂
• Hexadecimal: 0x4B4549F80
• Base-36: 9A5Q000

Squares and roots of 20205313920

• 20205313920 squared (20205313920²) is 408254710605745766400
• 20205313920 cubed (20205313920³) is 8248914587107846565822988288000
• The square root of 20205313920 is 142145.3971115491
• The cube root of 20205313920 is 2723.6744744811

Scales and comparisons

• 20,205,313,920 seconds is equal to 642 years, 24 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 20,205,313,920 would take you about one thousand, two hundred eighty-four 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 20205313920 cubic inches would be around 227 feet tall.

Recreational maths with 20205313920

• 20205313920 backwards is 02931350202
• 20205313920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20205313920's digits is 27
• More coming soon!