20393942400

Names of 20393942400

• Cardinal: 20393942400 can be written as Twenty billion, three hundred ninety-three million, nine hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.03939424 × 10¹⁰

Factors of 20393942400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 361

Divisors of 20393942400

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 67 72 75 78 80 90 96 100 104 108 117 120 128 130 134 135 144 150 156 160 180 192 195 200 201 208 216 225 234 240 260 268 270 271 288 300 312 320 325 335 351 360 384 390 400 402 416 432 450 468 480 520 536 540 542 576 585 600 603 624 640 650 670 675 702 720 780 800 804 813 832 864 871 900 936 960 975 1005 1040 1072 1080 1084 1152 1170 1200 1206 1248 1300 1340 1350 1355 1404 1440 1560 1600 1608 1626 1664 1675 1728 1742 1755 1800 1809 1872 1920 1950 2010 2080 2144 2160 2168 2340 2400 2412 2439 2496 2600 2613 2680 2700 2710 2808 2880 2925 3015 3120 3200 3216 3252 3350 3456 3484 3510 3523 3600 3618 3744 3900 4020 4065 4160 4288 4320 4336 4355 4680 4800 4824 4878 4992 5025 5200 5226 5360 5400 5420 5616 5760 5850 6030 6240 6432 6504 6700 6775 6968 7020 7046 7200 7236 7317 7488 7800 7839 8040 8130 8320 8576 8640 8672 8710 8775 9045 9360 9600 9648 9756 10050 10400 10452 10569 10720 10800 10840 11232 11700 12060 12195 12480 12864 13008 13065 13400 13550 13936 14040 14092 14400 14472 14634 14976 15075 15600 15678 16080 16260 17280 17344 17420 17550 17615 18090 18157 18720 19296 19512 20100 20325 20800 20904 21138 21440 21600 21680 21775 22464 23400 23517 24120 24390 24960 25728 26016 26130 26800 27100 27872 28080 28184 28800 28944 29268 30150 31200 31356 31707 32160 32520 34688 34840 35100 35230 36180 36314 36585 37440 38592 39024 39195 40200 40650 41600 41808 42276 42880 43200 43360 43550 44928 45225 46800 47034 48240 48780 52032 52260 52845 53600 54200 54471 55744 56160 56368 57888 58536 60300 60975 62400 62712 63414 64320 65040 65325 69680 70200 70460 72360 72628 73170 74880 77184 78048 78390 80400 81300 83616 84552 86400 86720 87100 88075 90450 90785 93600 94068 95121 96480 97560 104064 104520 105690 107200 108400 108942 111488 112320 112736 115776 117072 117585 120600 121950 124800 125424 126828 128640 130080 130650 139360 140400 140920 144720 145256 146340 156096 156780 158535 160800 162600 163413 167232 169104 173440 174200 176150 180900 181570 182925 187200 188136 190242 192960 195120 195975 209040 211380 214400 216800 217884 224640 225472 231552 234144 235170 236041 241200 243900 250848 253656 260160 261300 264225 272355 278720 280800 281840 289440 290512 292680 312192 313560 317070 321600 325200 326826 334464 338208 348400 352300 361800 363140 365850 374400 376272 380484 385920 390240 391950 418080 422760 433600 435768 450944 453925 468288 470340 472082 475605 482400 487800 490239 501696 507312 520320 522600 528450 544710 557440 561600 563680 578880 581024 585360 587925 627120 634140 643200 650400 653652 676416 696800 704600 708123 723600 726280 731700 752544 760968 780480 783900 792675 817065 836160 845520 867200 871536 907850 936576 940680 944164 951210 964800 975600 980478 1003392 1014624 1045200 1056900 1089420 1123200 1127360 1157760 1162048 1170720 1175850 1180205 1254240 1268280 1300800 1307304 1352832 1361775 1393600 1409200 1416246 1447200 1452560 1463400 1505088 1521936 1560960 1567800 1585350 1634130 1672320 1691040 1743072 1815700 1881360 1888328 1902420 1929600 1951200 1960956 2029248 2090400 2113800 2124369 2178840 2254720 2324096 2341440 2351700 2360410 2378025 2451195 2508480 2536560 2601600 2614608 2723550 2787200 2818400 2832492 2894400 2905120 2926800 3010176 3043872 3135600 3170700 3268260 3382080 3486144 3540615 3631400 3762720 3776656 3804840 3902400 3921912 4058496 4085325 4180800 4227600 4248738 4357680 4682880 4703400 4720820 4756050 4902390 5016960 5073120 5229216 5447100 5636800 5664984 5788800 5810240 5853600 5901025 6087744 6271200 6341400 6373107 6536520 6764160 6972288 7081230 7262800 7525440 7553312 7609680 7804800 7843824 8170650 8361600 8455200 8497476 8715360 9406800 9441640 9512100 9804780 10146240 10458432 10621845 10894200 11273600 11329968 11620480 11707200 11802050 12175488 12255975 12542400 12682800 12746214 13073040 14162460 14525600 15050880 15106624 15219360 15687648 16341300 16910400 16994952 17430720 17703075 18813600 18883280 19024200 19609560 20292480 20916864 21243690 21788400 22659936 23414400 23604100 24511950 25084800 25365600 25492428 26146080 28324920 29051200 30213248 30438720 31375296 31865535 32682600 33820800 33989904 34861440 35406150 37627200 37766560 38048400 39219120 42487380 43576800 45319872 47208200 49023900 50731200 50984856 52292160 53109225 56649840 58102400 60877440 62750592 63731070 65365200 67979808 70812300 75254400 75533120 76096800 78438240 84974760 87153600 90639744 94416400 98047800 101462400 101969712 104584320 106218450 113299680 127462140 130730400 135959616 141624600 151066240 152193600 156876480 159327675 169949520 174307200 188832800 196095600 203939424 212436900 226599360 254924280 261460800 271919232 283249200 304387200 313752960 318655350 339899040 377665600 392191200 407878848 424873800 453198720 509848560 522921600 566498400 637310700 679798080 755331200 784382400 815757696 849747600 1019697120 1132996800 1274621400 1359596160 1568764800 1699495200 2039394240 2265993600 2549242800 3398990400 4078788480 5098485600 6797980800 10196971200 20393942400
• Sum of all divisors σ(n): 81878092800
• Sum of proper divisors (its aliquot sum) s(n): 61484150400
• 20393942400 is an abundant number, because the sum of its proper divisors (61484150400) is greater than itself. Its abundance is 41090208000

Bases of 20393942400

• Binary: 10010111111100100101101110110000000₂
• Hexadecimal: 0x4BF92DD80
• Base-36: 9DA0YO0

Squares and roots of 20393942400

• 20393942400 squared (20393942400²) is 415912886614517760000
• 20393942400 cubed (20393942400³) is 8482103453034206201217024000000
• The square root of 20393942400 is 142807.3611548089
• The cube root of 20393942400 is 2732.1239358497

Scales and comparisons

• 20,393,942,400 seconds is equal to 648 years, 24 weeks, 1 day.
• To count from 1 to 20,393,942,400 would take you about one thousand, two hundred ninety-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 20393942400 cubic inches would be around 227.7 feet tall.

Recreational maths with 20393942400

• 20393942400 backwards is 00424939302
• 20393942400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20393942400's digits is 36
• More coming soon!