21872094720

Names of 21872094720

• Cardinal: 21872094720 can be written as Twenty-one billion, eight hundred seventy-two million, ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.187209472 × 10¹⁰

Factors of 21872094720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 59

Divisors of 21872094720

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 23 24 28 30 32 35 38 40 42 46 48 49 56 57 60 64 69 70 76 80 84 92 95 96 98 105 112 114 115 120 128 133 138 140 147 152 160 161 168 184 190 192 196 210 224 228 230 240 245 256 266 276 280 285 294 304 320 322 336 343 345 361 368 380 384 392 399 420 437 448 456 460 480 483 490 512 532 552 560 570 588 608 640 644 665 672 686 690 722 735 736 760 768 784 798 805 840 874 896 912 920 931 960 966 980 1029 1064 1083 1104 1120 1127 1140 1176 1216 1280 1288 1311 1330 1344 1372 1380 1444 1470 1472 1520 1536 1568 1596 1610 1680 1715 1748 1792 1805 1824 1840 1862 1920 1932 1960 1995 2058 2128 2166 2185 2208 2240 2254 2280 2352 2415 2432 2527 2560 2576 2622 2660 2688 2744 2760 2793 2888 2940 2944 3040 3059 3136 3192 3220 3360 3381 3430 3496 3584 3610 3648 3680 3724 3840 3864 3920 3990 4116 4256 4332 4370 4416 4480 4508 4560 4655 4704 4830 4864 5054 5145 5152 5244 5320 5376 5415 5488 5520 5586 5635 5776 5880 5888 6080 6118 6272 6384 6440 6517 6555 6720 6762 6860 6992 7220 7296 7360 7448 7581 7680 7728 7840 7889 7980 8232 8303 8512 8664 8740 8832 8960 9016 9120 9177 9310 9408 9660 9728 10108 10290 10304 10488 10640 10752 10830 10976 11040 11172 11270 11552 11760 11776 12160 12236 12544 12635 12768 12880 13034 13110 13440 13524 13720 13965 13984 14440 14592 14720 14896 15162 15295 15456 15680 15778 15960 16464 16606 16905 17024 17328 17480 17664 17689 17920 18032 18240 18354 18620 18816 19320 19551 20216 20580 20608 20976 21280 21413 21660 21952 22080 22344 22540 23104 23520 23667 24320 24472 24909 25088 25270 25536 25760 26068 26220 26880 27048 27440 27930 27968 28880 29184 29440 29792 30324 30590 30912 31360 31556 31920 32585 32928 33212 33810 34048 34656 34960 35328 35378 36064 36480 36708 37240 37632 37905 38640 39102 39445 40432 41160 41216 41515 41952 42560 42826 43320 43904 44160 44688 45080 45885 46208 47040 47334 48640 48944 49818 50540 51072 51520 52136 52440 53067 53760 54096 54880 55860 55936 57760 58121 58880 59584 60648 61180 61824 62720 63112 63840 64239 65170 65856 66424 67620 68096 69312 69920 70756 72128 72960 73416 74480 75264 75810 77280 78204 78890 80864 82320 82432 83030 83904 85120 85652 86640 87808 88320 88445 89376 90160 91770 92416 94080 94668 97755 97888 99636 101080 102144 103040 104272 104880 106134 107065 108192 109760 111720 111872 115520 116242 118335 119168 121296 122360 123648 123823 124545 125440 126224 127680 128478 130340 131712 132848 135240 138624 139840 141512 144256 145920 146832 148960 149891 151620 154560 156408 157780 161728 164640 166060 167808 170240 171304 173280 174363 175616 176640 176890 178752 180320 183540 184832 188160 189336 195510 195776 199272 202160 204288 206080 208544 209760 212268 214130 216384 219520 223440 223744 231040 232484 236670 238336 242592 244720 247296 247646 249090 252448 255360 256956 260680 263424 265335 265696 270480 277248 279680 283024 288512 290605 293664 297920 299782 303240 309120 312816 315560 321195 323456 329280 332120 335616 340480 342608 346560 348726 353780 357504 360640 367080 371469 376320 378672 391020 391552 398544 404320 406847 412160 417088 419520 424536 428260 432768 439040 446880 449673 462080 464968 473340 476672 485184 489440 495292 498180 504896 510720 513912 521360 526848 530670 531392 540960 554496 559360 566048 577024 581210 587328 595840 599564 606480 618240 619115 625632 631120 642390 646912 658560 664240 671232 685216 693120 697452 707560 715008 721280 734160 742938 749455 757344 782040 783104 797088 808640 813694 834176 839040 849072 856520 865536 871815 878080 893760 899346 924160 929936 946680 970368 978880 990584 996360 1009792 1021440 1027824 1042720 1061340 1062784 1081920 1118720 1132096 1162420 1174656 1191680 1199128 1212960 1220541 1236480 1238230 1251264 1262240 1284780 1293824 1317120 1328480 1370432 1386240 1394904 1415120 1430016 1442560 1468320 1485876 1498910 1514688 1564080 1566208 1594176 1617280 1627388 1668352 1678080 1698144 1713040 1731072 1743630 1787520 1798692 1857345 1859872 1893360 1940736 1957760 1981168 1992720 2019584 2034235 2055648 2085440 2122680 2125568 2163840 2248365 2264192 2324840 2349312 2383360 2398256 2425920 2441082 2476460 2502528 2524480 2569560 2634240 2656960 2740864 2772480 2789808 2830240 2847929 2885120 2936640 2971752 2997820 3029376 3128160 3188352 3234560 3254776 3336704 3356160 3396288 3426080 3487260 3575040 3597384 3714690 3719744 3786720 3881472 3915520 3962336 3985440 4039168 4068470 4111296 4170880 4245360 4251136 4327680 4496730 4528384 4649680 4698624 4796512 4851840 4882164 4952920 5005056 5048960 5139120 5313920 5481728 5579616 5660480 5695858 5873280 5943504 5995640 6058752 6102705 6256320 6376704 6469120 6509552 6792576 6852160 6974520 7150080 7194768 7429380 7439488 7573440 7831040 7924672 7970880 8136940 8222592 8341760 8490720 8543787 8655360 8993460 9056768 9299360 9593024 9703680 9764328 9905840 10010112 10097920 10278240 10627840 10963456 11159232 11320960 11391716 11746560 11887008 11991280 12117504 12205410 12512640 12753408 13019104 13585152 13704320 13949040 14239645 14389536 14858760 14878976 15146880 15849344 15941760 16273880 16445184 16683520 16981440 17087574 17986920 18598720 19186048 19407360 19528656 19811680 20195840 20556480 21255680 22318464 22641920 22783432 23493120 23774016 23982560 24410820 25025280 26038208 27170304 27408640 27898080 28479290 28779072 29717520 29757952 30293760 31698688 31883520 32547760 32890368 33962880 34175148 35973840 37197440 38372096 39057312 39623360 41112960 42718935 44636928 45283840 45566864 47548032 47965120 48821640 50050560 52076416 54817280 55796160 56958580 57558144 59435040 60587520 63397376 63767040 65095520 67925760 68350296 71947680 74394880 76744192 78114624 79246720 82225920 85437870 89273856 91133728 95096064 95930240 97643280 104152832 111592320 113917160 115116288 118870080 130191040 135851520 136700592 143895360 148789760 156229248 158493440 164451840 170875740 182267456 190192128 191860480 195286560 208305664 223184640 227834320 230232576 237740160 260382080 273401184 287790720 312458496 316986880 341751480 364534912 383720960 390573120 446369280 455668640 475480320 520764160 546802368 575581440 624916992 683502960 729069824 781146240 911337280 950960640 1041528320 1093604736 1151162880 1367005920 1458139648 1562292480 1822674560 2187209472 2734011840 3124584960 3645349120 4374418944 5468023680 7290698240 10936047360 21872094720
• Sum of all divisors σ(n): 89801395200
• Sum of proper divisors (its aliquot sum) s(n): 67929300480
• 21872094720 is an abundant number, because the sum of its proper divisors (67929300480) is greater than itself. Its abundance is 46057205760

Bases of 21872094720

• Binary: 10100010111101011011010111000000000₂
• Hexadecimal: 0x517ADAE00
• Base-36: A1Q2WAO

Squares and roots of 21872094720

• 21872094720 squared (21872094720²) is 478388527440651878400
• 21872094720 cubed (21872094720³) is 10463359185143257062910722048000
• The square root of 21872094720 is 147892.1726123461
• The cube root of 21872094720 is 2796.5985362129

Scales and comparisons

• 21,872,094,720 seconds is equal to 695 years, 24 weeks, 1 day, 5 hours, 52 minutes.
• To count from 1 to 21,872,094,720 would take you about one thousand, three hundred ninety 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 21872094720 cubic inches would be around 233 feet tall.

Recreational maths with 21872094720

• 21872094720 backwards is 02749027812
• 21872094720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21872094720's digits is 42
• More coming soon!