20138712750

Names of 20138712750

• Cardinal: 20138712750 can be written as Twenty billion, one hundred thirty-eight million, seven hundred twelve thousand, seven hundred fifty.

Scientific notation

• Scientific notation: 2.013871275 × 10¹⁰

Factors of 20138712750

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 346

Divisors of 20138712750

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 25 26 27 30 38 39 45 47 50 54 57 65 75 78 90 94 95 114 117 125 130 135 141 150 171 190 195 225 234 235 247 250 257 270 282 285 325 342 351 375 390 423 450 470 475 494 513 514 570 585 611 650 675 702 705 741 750 771 846 855 893 950 975 1026 1125 1170 1175 1222 1235 1269 1285 1350 1410 1425 1482 1542 1625 1710 1755 1786 1833 1950 2115 2223 2250 2313 2350 2375 2470 2538 2565 2570 2679 2850 2925 3055 3250 3341 3375 3510 3525 3666 3705 3855 4230 4275 4446 4465 4626 4750 4875 4883 5130 5358 5499 5850 5875 6110 6175 6345 6425 6669 6682 6750 6939 7050 7125 7410 7710 8037 8550 8775 8930 9165 9750 9766 10023 10575 10998 11115 11565 11609 11750 12079 12350 12690 12825 12850 13338 13395 13878 14250 14625 14649 15275 16074 16497 16705 17550 17625 18330 18525 19275 20046 21150 21375 22230 22325 23130 23218 24111 24158 24415 25650 26790 27495 29250 29298 30069 30550 30875 31725 32125 32994 33345 33410 34695 34827 35250 36237 37050 38550 40185 42750 43875 43947 44650 45825 48222 48830 50115 52875 54990 55575 57825 58045 60138 60395 61750 63450 63479 64125 64250 66690 66975 69390 69654 72474 73245 76375 80370 82485 83525 87750 87894 90207 91650 92625 96375 100230 104481 105750 108711 111150 111625 115650 116090 120555 120790 122075 126958 128250 131841 133950 137475 146490 150345 152750 157027 158625 164970 166725 167050 173475 174135 180414 181185 185250 190437 192750 200925 208962 217422 219735 223250 229125 229501 241110 244150 250575 263682 274950 277875 289125 290225 300690 301975 313443 314054 317250 317395 326133 333450 334875 346950 348270 362370 366225 380874 401850 412425 417625 439470 451035 458250 459002 471081 501150 522405 543555 555750 571311 578250 580450 602775 603950 610375 626886 634790 652266 659205 669750 687375 688503 732450 751725 785135 824850 833625 835250 867375 870675 902070 905925 942162 952185 1004625 1044810 1087110 1098675 1142622 1147505 1205550 1220750 1252875 1318410 1374750 1377006 1413243 1451125 1503450 1509875 1567215 1570270 1586975 1630665 1667250 1713933 1734750 1741350 1811850 1831125 1904370 2009250 2062125 2065509 2197350 2255175 2295010 2355405 2505750 2612025 2717775 2826486 2856555 2902250 2983513 3013875 3019750 3134430 3173950 3261330 3296025 3427866 3442515 3662250 3758625 3925675 4124250 4131018 4239729 4353375 4510350 4529625 4710810 4760925 5224050 5435550 5493375 5713110 5737525 5967026 6027750 6196527 6592050 6885030 7066215 7517250 7836075 7851350 7934875 8153325 8479458 8569665 8706750 8950539 9059250 9521850 10327545 10986750 11275875 11475050 11777025 12393054 13060125 13588875 14132430 14282775 14917565 15672150 15869750 16306650 16480125 17139330 17212575 17901078 19628375 20655090 21198645 22551750 23554050 23804625 26120250 26851617 27177750 28565550 28687625 29835130 30982635 32960250 34425150 35331075 39180375 39256750 40766625 42397290 42848325 44752695 47609250 51637725 53703234 57375250 58885125 61965270 70662150 71413875 74587825 78360750 80554851 81533250 85696650 86062875 89505390 103275450 105993225 117770250 134258085 142827750 149175650 154913175 161109702 172125750 176655375 211986450 214241625 223763475 258188625 268516170 309826350 353310750 372939125 402774255 428483250 447526950 516377250 529966125 671290425 745878250 774565875 805548510 1059932250 1118817375 1342580850 1549131750 2013871275 2237634750 3356452125 4027742550 6712904250 10069356375 20138712750
• Sum of all divisors σ(n): 64911974400
• Sum of proper divisors (its aliquot sum) s(n): 44773261650
• 20138712750 is an abundant number, because the sum of its proper divisors (44773261650) is greater than itself. Its abundance is 24634548900

Bases of 20138712750

• Binary: 10010110000010111000101111010101110₂
• Hexadecimal: 0x4B05C5EAE
• Base-36: 9922I7I

Squares and roots of 20138712750

• 20138712750 squared (20138712750²) is 405567751227012562500
• 20138712750 cubed (20138712750³) is 8167612442624266036828921875000
• The square root of 20138712750 is 141910.9324541277
• The cube root of 20138712750 is 2720.6785697971

Scales and comparisons

• 20,138,712,750 seconds is equal to 640 years, 18 weeks, 22 hours, 52 minutes, 30 seconds.
• To count from 1 to 20,138,712,750 would take you about one thousand, two hundred eighty 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 20138712750 cubic inches would be around 226.7 feet tall.

Recreational maths with 20138712750

• 20138712750 backwards is 05721783102
• The number of decimal digits it has is: 11
• The sum of 20138712750's digits is 36
• More coming soon!