21249110400

Names of 21249110400

• Cardinal: 21249110400 can be written as Twenty-one billion, two hundred forty-nine million, one hundred ten thousand, four hundred.

Scientific notation

• Scientific notation: 2.12491104 × 10¹⁰

Factors of 21249110400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1945

Divisors of 21249110400

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 64 70 75 80 84 96 100 105 112 120 128 140 150 160 168 175 181 192 200 210 224 240 280 300 320 336 350 362 384 400 420 448 480 525 543 560 600 640 672 700 724 800 840 896 905 960 1050 1086 1120 1200 1267 1344 1400 1448 1600 1680 1747 1810 1920 2100 2172 2240 2400 2534 2688 2715 2800 2896 3200 3360 3494 3620 3801 4200 4344 4480 4525 4800 5068 5241 5430 5600 5792 6335 6720 6988 7240 7602 8400 8688 8735 9050 9600 10136 10482 10860 11200 11584 12229 12670 13440 13575 13976 14480 15204 16800 17376 17470 18100 19005 20272 20964 21720 22400 23168 24458 25340 26205 27150 27952 28960 30408 31675 33600 34752 34940 36200 36687 38010 40544 41928 43440 43675 48916 50680 52410 54300 55904 57920 60816 61145 63350 67200 69504 69880 72400 73374 76020 81088 83856 86880 87350 95025 97832 101360 104820 108600 111808 115840 121632 122290 126700 131025 139760 144800 146748 152040 162176 167712 173760 174700 183435 190050 195664 202720 209640 217200 223616 243264 244580 253400 262050 279520 289600 293496 304080 305725 316207 335424 347520 349400 366870 380100 391328 405440 419280 434400 486528 489160 506800 524100 559040 579200 586992 608160 611450 632414 670848 698800 733740 760200 782656 810880 838560 868800 917175 948621 978320 1013600 1048200 1118080 1173984 1216320 1222900 1264828 1397600 1467480 1520400 1565312 1581035 1677120 1737600 1834350 1897242 1956640 2027200 2096400 2213449 2347968 2432640 2445800 2529656 2795200 2934960 3040800 3162070 3354240 3668700 3794484 3913280 4054400 4192800 4426898 4695936 4743105 4891600 5059312 5590400 5869920 6081600 6324140 6640347 7337400 7588968 7826560 7905175 8385600 8853796 9486210 9783200 10118624 11067245 11739840 12163200 12648280 13280694 14674800 15177936 15810350 16771200 17707592 18972420 19566400 20237248 22134490 23479680 23715525 25296560 26561388 29349600 30355872 31620700 33201735 35415184 37944840 39132800 40474496 44268980 47431050 50593120 53122776 55336225 58699200 60711744 63241400 66403470 70830368 75889680 88537960 94862100 101186240 106245552 110672450 117398400 121423488 126482800 132806940 141660736 151779360 166008675 177075920 189724200 202372480 212491104 221344900 252965600 265613880 283321472 303558720 332017350 354151840 379448400 424982208 442689800 505931200 531227760 607117440 664034700 708303680 758896800 849964416 885379600 1011862400 1062455520 1328069400 1416607360 1517793600 1770759200 2124911040 2656138800 3035587200 3541518400 4249822080 5312277600 7083036800 10624555200 21249110400
• Sum of all divisors σ(n): 80475682560
• Sum of proper divisors (its aliquot sum) s(n): 59226572160
• 21249110400 is an abundant number, because the sum of its proper divisors (59226572160) is greater than itself. Its abundance is 37977461760

Bases of 21249110400

• Binary: 10011110010100010111011000110000000₂
• Hexadecimal: 0x4F28BB180
• Base-36: 9RF66IO

Squares and roots of 21249110400

• 21249110400 squared (21249110400²) is 451524692791388160000
• 21249110400 cubed (21249110400³) is 9594498045450291181092864000000
• The square root of 21249110400 is 145770.7460363705
• The cube root of 21249110400 is 2769.7904762301

Scales and comparisons

• 21,249,110,400 seconds is equal to 675 years, 34 weeks, 18 hours, 40 minutes.
• To count from 1 to 21,249,110,400 would take you about one thousand, three hundred fifty-one 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 21249110400 cubic inches would be around 230.8 feet tall.

Recreational maths with 21249110400

• 21249110400 backwards is 00401194212
• 21249110400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21249110400's digits is 24
• More coming soon!