20268493440

Names of 20268493440

• Cardinal: 20268493440 can be written as Twenty billion, two hundred sixty-eight million, four hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.026849344 × 10¹⁰

Factors of 20268493440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1368

Divisors of 20268493440

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 32 34 37 39 40 48 51 52 60 64 65 68 74 78 80 85 96 102 104 111 120 128 130 136 148 156 160 170 185 192 195 204 208 221 222 240 255 260 272 296 312 320 340 370 384 390 408 416 442 444 480 481 510 520 544 555 592 624 629 640 663 680 740 780 816 832 884 888 960 962 1020 1040 1088 1105 1110 1184 1248 1258 1291 1326 1360 1443 1480 1560 1632 1664 1768 1776 1887 1920 1924 2040 2080 2176 2210 2220 2368 2405 2496 2516 2582 2652 2720 2886 2960 3120 3145 3264 3315 3536 3552 3774 3848 3873 4080 4160 4420 4440 4736 4810 4992 5032 5164 5304 5440 5772 5920 6240 6290 6455 6528 6630 7072 7104 7215 7548 7696 7746 8160 8177 8320 8840 8880 9435 9620 10064 10328 10608 10880 11544 11840 12480 12580 12910 13260 14144 14208 14430 15096 15392 15492 16320 16354 16783 17680 17760 18870 19240 19365 20128 20656 21216 21947 23088 23680 24531 24960 25160 25820 26520 28288 28860 30192 30784 30984 32640 32708 33566 35360 35520 37740 38480 38730 40256 40885 41312 42432 43894 46176 47767 49062 50320 50349 51640 53040 57720 60384 61568 61968 65416 65841 67132 70720 71040 75480 76960 77460 80512 81770 82624 83915 84864 87788 92352 95534 98124 100640 100698 103280 106080 109735 115440 120768 122655 123936 130832 131682 134264 141440 143301 150960 153920 154920 163540 165248 167830 175576 184704 191068 196248 201280 201396 206560 212160 219470 230880 238835 241536 245310 247872 251745 261664 263364 268528 285311 286602 301920 307840 309840 327080 329205 335660 351152 382136 392496 402560 402792 413120 424320 438940 461760 477670 490620 495744 503490 523328 526728 537056 570622 573204 603840 619680 620971 654160 658410 671320 702304 716505 764272 784992 805584 812039 826240 855933 877880 923520 955340 981240 1006980 1046656 1053456 1074112 1141244 1146408 1207680 1239360 1241942 1308320 1316820 1342640 1404608 1426555 1433010 1528544 1569984 1611168 1624078 1711866 1755760 1862913 1910680 1962480 2013960 2106912 2148224 2282488 2292816 2436117 2478720 2483884 2616640 2633640 2685280 2809216 2853110 2866020 3057088 3104855 3139968 3222336 3248156 3423732 3511520 3725826 3821360 3924960 4027920 4060195 4213824 4279665 4564976 4585632 4872234 4967768 5233280 5267280 5370560 5706220 5732040 6114176 6209710 6444672 6496312 6847464 7023040 7451652 7642720 7849920 8055840 8120390 8427648 8559330 9129952 9171264 9314565 9744468 9935536 10534560 10556507 10741120 11412440 11464080 12180585 12419420 12992624 13694928 14046080 14903304 15285440 15699840 16111680 16240780 17118660 18259904 18342528 18629130 19488936 19871072 21069120 21113014 22824880 22928160 24361170 24838840 25985248 27389856 29806608 30570880 31669521 32223360 32481560 34237320 36519808 37258260 38977872 39742144 42138240 42226028 45649760 45856320 48722340 49677680 51970496 52782535 54779712 59613216 63339042 64963120 68474640 74516520 77955744 79484288 84452056 91299520 91712640 97444680 99355360 103940992 105565070 109559424 119226432 126678084 129926240 136949280 149033040 155911488 158347605 168904112 182599040 194889360 198710720 211130140 238452864 253356168 259852480 273898560 298066080 311822976 316695210 337808224 389778720 397421440 422260280 506712336 519704960 547797120 596132160 633390420 675616448 779557440 844520560 1013424672 1192264320 1266780840 1351232896 1559114880 1689041120 2026849344 2533561680 3378082240 4053698688 5067123360 6756164480 10134246720 20268493440
• Sum of all divisors σ(n): 75717815040
• Sum of proper divisors (its aliquot sum) s(n): 55449321600
• 20268493440 is an abundant number, because the sum of its proper divisors (55449321600) is greater than itself. Its abundance is 35180828160

Bases of 20268493440

• Binary: 10010111000000110001010101010000000₂
• Hexadecimal: 0x4B818AA80
• Base-36: 9B7C5MO

Squares and roots of 20268493440

• 20268493440 squared (20268493440²) is 410811826327323033600
• 20268493440 cubed (20268493440³) is 8326536806989766199282499584000
• The square root of 20268493440 is 142367.4592032885
• The cube root of 20268493440 is 2726.5103851965

Scales and comparisons

• 20,268,493,440 seconds is equal to 644 years, 24 weeks, 5 days, 1 hour, 4 minutes.
• To count from 1 to 20,268,493,440 would take you about one thousand, two hundred eighty-eight 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 20268493440 cubic inches would be around 227.2 feet tall.

Recreational maths with 20268493440

• 20268493440 backwards is 04439486202
• The number of decimal digits it has is: 11
• The sum of 20268493440's digits is 42
• More coming soon!