21240027900

Names of 21240027900

• Cardinal: 21240027900 can be written as Twenty-one billion, two hundred forty million, twenty-seven thousand, nine hundred.

Scientific notation

• Scientific notation: 2.12400279 × 10¹⁰

Factors of 21240027900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 798

Divisors of 21240027900

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 25 26 27 28 30 35 36 39 42 45 50 52 54 60 63 65 70 75 78 84 90 91 100 105 108 117 126 130 135 137 140 150 156 175 180 182 189 195 210 225 234 252 260 270 273 274 300 315 325 350 351 364 378 390 411 420 450 455 468 525 540 546 548 585 630 631 650 675 685 700 702 756 780 819 822 900 910 945 959 975 1050 1092 1170 1233 1260 1262 1300 1350 1365 1370 1404 1575 1638 1644 1755 1781 1820 1890 1893 1918 1950 2055 2100 2275 2340 2457 2466 2524 2700 2730 2740 2877 2925 3150 3155 3276 3425 3510 3562 3699 3780 3786 3836 3900 4095 4110 4417 4550 4725 4795 4914 4932 5343 5460 5679 5754 5850 6165 6300 6310 6825 6850 7020 7124 7398 7572 8190 8203 8220 8631 8775 8834 8905 9100 9450 9465 9590 9828 10275 10686 11358 11508 11700 12285 12330 12467 12620 13251 13650 13700 14385 14796 15775 16029 16380 16406 17037 17262 17550 17668 17810 18495 18900 18930 19180 20475 20550 21372 22085 22716 23975 24570 24609 24660 24934 25893 26502 26715 27300 28395 28770 30825 31550 32058 32812 34074 34524 35100 35620 36990 37401 37860 39753 40950 41015 41100 43155 44170 44525 47325 47950 48087 49140 49218 49868 51786 53004 53430 56790 57421 57540 61425 61650 62335 63100 64116 66255 68148 71925 73827 73980 74802 79506 80145 81900 82030 85185 86310 86447 88340 89050 92475 94650 95900 96174 98436 103572 106860 110425 112203 113580 114842 119259 122850 123045 123300 124670 129465 132510 133575 141975 143850 147654 149604 159012 160290 164060 170370 172263 172620 172894 178100 184950 187005 189300 192348 198765 205075 215775 220850 221481 224406 229684 238518 240435 245700 246090 249340 258930 259341 265020 267150 283950 287105 287700 295308 311675 320580 331275 336609 340740 344526 345788 369135 369900 374010 397530 400725 410150 425925 431550 432235 441700 442962 448812 477036 480870 492180 516789 517860 518682 534300 561015 567900 574210 596295 605129 615225 623350 647325 662550 673218 689052 738270 748020 778023 795060 801450 820300 851850 861315 863100 864470 885924 935025 961740 993825 1033578 1037364 1107405 1122030 1123811 1148420 1192590 1202175 1210258 1230450 1246700 1294650 1296705 1325100 1346436 1435525 1476540 1550367 1556046 1602900 1683045 1703700 1722630 1728940 1815387 1845675 1870050 1987650 2067156 2161175 2214810 2244060 2247622 2334069 2385180 2404350 2420516 2460900 2583945 2589300 2593410 2805075 2871050 2981475 3025645 3100734 3112092 3366090 3371433 3445260 3630774 3691350 3740100 3890115 3975300 4306575 4322350 4429620 4495244 4668138 4808700 5167890 5186820 5446161 5537025 5610150 5619055 5742100 5962950 6051290 6201468 6483525 6732180 6742866 7261548 7382700 7751835 7780230 7866677 8415225 8613150 8644700 9076935 9336276 10114299 10335780 10892322 11074050 11220300 11238110 11670345 11925900 12102580 12919725 12967050 13485732 15128225 15503670 15560460 15733354 16338483 16830450 16857165 17226300 18153870 19450575 20228598 21784644 22148100 22476220 23340690 23600031 25839450 25934100 27230805 28095275 30256450 30342897 31007340 31466708 32676966 33660900 33714330 36307740 38759175 38901150 39333385 40457196 45384675 46681380 47200062 50571495 51678900 54461610 56190550 58351725 60512900 60685794 65353932 67428660 70800093 77518350 77802300 78666770 81692415 84285825 90769350 94400124 101142990 108923220 112381100 116703450 118000155 121371588 136154025 141600186 151714485 155036700 157333540 163384830 168571650 181538700 196666925 202285980 212400279 233406900 236000310 252857475 272308050 283200372 303428970 326769660 337143300 354000465 393333850 408462075 424800558 472000620 505714950 544616100 590000775 606857940 708000930 758572425 786667700 816924150 849601116 1011429900 1062001395 1180001550 1416001860 1517144850 1633848300 1770002325 2124002790 2360003100 3034289700 3540004650 4248005580 5310006975 7080009300 10620013950 21240027900
• Sum of all divisors σ(n): 84787906560
• Sum of proper divisors (its aliquot sum) s(n): 63547878660
• 21240027900 is an abundant number, because the sum of its proper divisors (63547878660) is greater than itself. Its abundance is 42307850760

Bases of 21240027900

• Binary: 10011110010000000010001101011111100₂
• Hexadecimal: 0x4F2011AFC
• Base-36: 9R9RIF0

Squares and roots of 21240027900

• 21240027900 squared (21240027900²) is 451138785192778410000
• 21240027900 cubed (21240027900³) is 9582200384266720306917639000000
• The square root of 21240027900 is 145739.5893365973
• The cube root of 21240027900 is 2769.3957897921

Scales and comparisons

• 21,240,027,900 seconds is equal to 675 years, 19 weeks, 15 hours, 45 minutes.
• To count from 1 to 21,240,027,900 would take you about one thousand, three hundred fifty 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 21240027900 cubic inches would be around 230.8 feet tall.

Recreational maths with 21240027900

• 21240027900 backwards is 00972004212
• 21240027900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21240027900's digits is 27
• More coming soon!