28139925240

Names of 28139925240

• Cardinal: 28139925240 can be written as Twenty-eight billion, one hundred thirty-nine million, nine hundred twenty-five thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.813992524 × 10¹⁰

Factors of 28139925240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 545

Divisors of 28139925240

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 17 18 20 21 24 28 30 34 35 36 37 40 41 42 45 51 56 60 63 68 70 72 74 82 84 85 90 102 105 111 119 120 123 126 136 140 148 153 164 168 170 180 185 204 205 210 222 238 246 252 255 259 280 287 296 306 315 328 333 340 357 360 369 370 408 410 420 433 444 476 492 504 510 518 555 574 595 612 615 629 630 666 680 697 714 738 740 765 777 820 840 861 866 888 952 984 1020 1036 1071 1110 1148 1190 1224 1230 1258 1260 1295 1299 1332 1394 1428 1435 1476 1480 1517 1530 1554 1640 1665 1722 1732 1785 1845 1887 2040 2072 2091 2142 2165 2220 2296 2331 2380 2460 2516 2520 2583 2590 2598 2664 2788 2856 2870 2952 3031 3034 3060 3108 3145 3330 3444 3464 3485 3570 3690 3774 3885 3897 4182 4284 4305 4330 4403 4440 4551 4662 4760 4879 4920 5032 5166 5180 5196 5355 5576 5661 5740 6062 6068 6120 6216 6273 6290 6495 6660 6888 6970 7140 7361 7380 7548 7585 7770 7794 8364 8568 8610 8660 8806 9093 9102 9324 9435 9758 10332 10360 10392 10455 10619 10710 11322 11480 11655 12124 12136 12546 12580 12915 12990 13209 13320 13653 13940 14280 14637 14722 14760 15096 15155 15170 15540 15588 16021 16728 17220 17320 17612 17753 18186 18204 18648 18870 19485 19516 20664 20910 21238 21420 22015 22083 22644 22755 23310 24248 24395 25092 25160 25789 25830 25980 26418 27279 27306 27880 28305 29274 29444 30310 30340 31080 31176 31365 31857 32042 34440 35224 35506 36372 36408 36805 37740 38970 39032 39627 41820 42476 42840 43911 44030 44166 45288 45465 45510 46620 48063 48790 50184 51527 51578 51660 51960 52836 53095 53259 54558 54612 56610 58548 58888 60620 60680 62730 63714 64084 66045 66249 68265 71012 72744 73185 73610 75480 77367 77940 79254 80105 83640 84952 87822 88060 88332 88765 90930 91020 93240 95571 96126 97580 103054 103156 103320 105672 106190 106518 109116 109224 110415 112147 113220 117096 121240 124271 125460 127428 128168 128945 132090 132498 136395 136530 142024 144189 146370 147220 154581 154734 155880 158508 159285 159777 160210 175644 176120 176664 177530 180523 181860 182040 191142 192252 195160 198135 206108 206312 212380 213036 218232 219555 220830 224294 226440 232101 240315 248542 250920 254856 257635 257890 264180 264996 266295 272357 272790 273060 288378 292740 294440 301801 309162 309468 317016 318570 319554 320420 331245 336441 351288 355060 361046 363720 372813 382284 384504 386835 396270 412216 424760 426072 439110 441660 448588 463743 464202 477855 480630 497084 515270 515780 528360 529992 532590 541569 544714 545580 546120 560735 576756 585480 603602 618324 618936 621355 637140 639108 640840 656861 662490 672882 710120 720945 722092 745626 764568 772905 773670 792540 798885 817071 878220 883320 897176 902615 905403 927486 928404 955710 961260 994168 1009323 1030540 1031560 1065180 1083138 1089428 1091160 1118439 1121470 1153512 1160505 1207204 1236648 1242710 1274280 1278216 1313722 1324980 1345764 1361785 1441890 1444184 1491252 1509005 1545810 1547340 1585080 1597770 1624707 1634142 1682205 1756440 1805230 1810806 1854972 1856808 1864065 1906499 1911420 1922520 1970583 2018646 2061080 2112607 2130360 2166276 2178856 2236878 2242940 2318715 2321010 2414408 2451213 2485420 2627444 2649960 2691528 2707845 2716209 2723570 2883780 2982504 3018010 3091620 3094680 3195540 3249414 3268284 3284305 3364410 3610460 3621612 3709944 3728130 3812998 3822840 3941166 4037292 4085355 4225214 4332552 4473756 4485880 4527015 4598027 4637430 4642020 4902426 4970840 5046615 5254888 5415690 5432418 5447140 5592195 5719497 5767560 5911749 6036020 6183240 6337821 6391080 6498828 6536568 6568610 6728820 7220920 7243224 7456260 7625996 7882332 8074584 8123535 8170710 8450428 8947512 9054030 9196054 9274860 9284040 9532495 9804852 9852915 10093230 10563035 10831380 10864836 10894280 11166637 11184390 11438994 11823498 12072040 12256065 12675642 12997656 13137220 13457640 13581045 13794081 14912520 15251992 15764664 16247070 16341420 16900856 17158491 18108060 18392108 18549720 19013463 19064990 19609704 19705830 20186460 21126070 21662760 21729672 22333274 22368780 22877988 22990135 23646996 24512130 25351284 26274440 27162090 27588162 28597485 29558745 31689105 32494140 32682840 33499911 34316982 36216120 36784216 38026926 38129980 39411660 40372920 41382243 42252140 44666548 44737560 45755976 45980270 47293992 49024260 50702568 54324180 55176324 55833185 57194970 59117490 63378210 64988280 66999822 68633964 68970405 76053852 76259960 78166459 78823320 82764486 84504280 85792455 89333096 91960540 95067315 98048520 100499733 108648360 110352648 111666370 114389940 118234980 126756420 133999644 137267928 137940810 152107704 156332918 165528972 167499555 171584910 183921080 190134630 200999466 206911215 223332740 228779880 234499377 236469960 253512840 267999288 275881620 312665836 331057944 334999110 343169820 380269260 390832295 401998932 413822430 446665480 468998754 502498665 551763240 625331672 669998220 686339640 703498131 760538520 781664590 803997864 827644860 937997508 1004997330 1172496885 1339996440 1406996262 1563329180 1655289720 1875995016 2009994660 2344993770 2813992524 3126658360 3517490655 4019989320 4689987540 5627985048 7034981310 9379975080 14069962620 28139925240
• Sum of all divisors σ(n): 116700030720
• Sum of proper divisors (its aliquot sum) s(n): 88560105480
• 28139925240 is an abundant number, because the sum of its proper divisors (88560105480) is greater than itself. Its abundance is 60420180240

Bases of 28139925240

• Binary: 11010001101010001010010111011111000₂
• Hexadecimal: 0x68D452EF8
• Base-36: CXDS9A0

Squares and roots of 28139925240

• 28139925240 squared (28139925240²) is 791855392512789057600
• 28139925240 cubed (28139925240³) is 22282751546200739824754053824000
• The square root of 28139925240 is 167749.5908787857
• The cube root of 28139925240 is 3041.6388482833

Scales and comparisons

• 28,139,925,240 seconds is equal to 894 years, 39 weeks, 4 days, 13 hours, 54 minutes.
• To count from 1 to 28,139,925,240 would take you about one thousand, seven hundred eighty-nine 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 28139925240 cubic inches would be around 253.5 feet tall.

Recreational maths with 28139925240

• 28139925240 backwards is 04252993182
• 28139925240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28139925240's digits is 45
• More coming soon!