21099830400

Names of 21099830400

• Cardinal: 21099830400 can be written as Twenty-one billion, ninety-nine million, eight hundred thirty thousand, four hundred.

Scientific notation

• Scientific notation: 2.10998304 × 10¹⁰

Factors of 21099830400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 170

Divisors of 21099830400

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 80 88 90 96 99 100 108 110 120 128 132 135 144 149 150 160 165 176 180 192 198 200 216 220 225 240 264 270 275 288 297 298 300 320 330 352 360 384 396 400 432 440 447 450 480 495 528 540 550 576 594 596 600 640 660 675 704 720 745 792 800 825 864 880 894 900 960 990 1056 1080 1100 1152 1188 1192 1200 1320 1341 1350 1408 1440 1485 1490 1584 1600 1639 1650 1728 1760 1788 1800 1920 1980 2112 2160 2200 2235 2376 2384 2400 2475 2640 2682 2700 2880 2970 2980 3168 3200 3278 3300 3456 3520 3576 3600 3725 3960 4023 4224 4320 4400 4470 4752 4768 4800 4917 4950 5280 5364 5400 5760 5940 5960 6336 6556 6600 6705 7040 7152 7200 7425 7450 7920 8046 8195 8640 8800 8940 9504 9536 9600 9834 9900 10560 10728 10800 11175 11880 11920 12672 13112 13200 13410 14304 14400 14751 14850 14900 15840 16092 16390 17280 17600 17880 19008 19072 19668 19800 20115 21120 21456 21600 22201 22350 23760 23840 24585 26224 26400 26820 28608 28800 29502 29700 29800 31680 32184 32780 33525 35200 35760 38016 39336 39600 40230 40975 42912 43200 44253 44402 44700 47520 47680 49170 52448 52800 53640 57216 59004 59400 59600 63360 64368 65560 66603 67050 71520 73755 78672 79200 80460 81950 85824 86400 88506 88804 89400 95040 95360 98340 100575 104896 105600 107280 111005 118008 118800 119200 122925 128736 131120 133206 134100 143040 147510 157344 158400 160920 163900 171648 177012 177608 178800 190080 196680 199809 201150 209792 214560 221265 222010 236016 237600 238400 244211 245850 257472 262240 266412 268200 286080 295020 314688 316800 321840 327800 333015 354024 355216 357600 368775 393360 399618 402300 429120 442530 444020 472032 475200 476800 488422 491700 514944 524480 532824 536400 555025 590040 599427 629376 643680 655600 666030 708048 710432 715200 732633 737550 786720 799236 804600 858240 885060 888040 944064 950400 976844 983400 999045 1048960 1065648 1072800 1106325 1110050 1180080 1198854 1221055 1287360 1311200 1332060 1416096 1420864 1430400 1465266 1475100 1573440 1598472 1609200 1665075 1770120 1776080 1888128 1953688 1966800 1998090 2131296 2145600 2197899 2212650 2220100 2360160 2397708 2442110 2574720 2622400 2664120 2832192 2841728 2930532 2950200 2997135 3146880 3196944 3218400 3330150 3540240 3552160 3663165 3907376 3933600 3996180 4262592 4291200 4395798 4425300 4440200 4720320 4795416 4884220 4995225 5244800 5328240 5664384 5861064 5900400 5994270 6105275 6393888 6436800 6593697 6660300 7080480 7104320 7326330 7814752 7867200 7992360 8525184 8791596 8850600 8880400 9440640 9590832 9768440 9990450 10656480 10989495 11722128 11800800 11988540 12210550 12787776 12873600 13187394 13320600 14160960 14208640 14652660 14985675 15629504 15734400 15984720 17583192 17701200 17760800 18315825 19181664 19536880 19980900 21312960 21978990 23444256 23601600 23977080 24421100 25575552 26374788 26641200 28321920 29305320 29971350 31259008 31969440 32968485 35166384 35402400 35521600 36631650 38363328 39073760 39961800 42625920 43957980 46888512 47203200 47954160 48842200 52749576 53282400 54947475 58610640 59942700 63938880 65936970 70332768 70804800 71043200 73263300 76726656 78147520 79923600 87915960 93777024 95908320 97684400 105499152 106564800 109894950 117221280 119885400 127877760 131873940 140665536 141609600 146526600 156295040 159847200 164842425 175831920 191816640 195368800 210998304 213129600 219789900 234442560 239770800 263747880 281331072 293053200 319694400 329684850 351663840 383633280 390737600 421996608 439579800 468885120 479541600 527495760 586106400 639388800 659369700 703327680 781475200 843993216 879159600 959083200 1054991520 1172212800 1318739400 1406655360 1758319200 1918166400 2109983040 2344425600 2637478800 3516638400 4219966080 5274957600 7033276800 10549915200 21099830400
• Sum of all divisors σ(n): 84808634400
• Sum of proper divisors (its aliquot sum) s(n): 63708804000
• 21099830400 is an abundant number, because the sum of its proper divisors (63708804000) is greater than itself. Its abundance is 42608973600

Bases of 21099830400

• Binary: 10011101001101001011101110010000000₂
• Hexadecimal: 0x4E9A5DC80
• Base-36: 9OYALC0

Squares and roots of 21099830400

• 21099830400 squared (21099830400²) is 445202842908764160000
• 21099830400 cubed (21099830400³) is 9393704478972766449598464000000
• The square root of 21099830400 is 145257.8066748909
• The cube root of 21099830400 is 2763.2890845209

Scales and comparisons

• 21,099,830,400 seconds is equal to 670 years, 47 weeks, 2 days.
• To count from 1 to 21,099,830,400 would take you about one thousand, three hundred forty-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 21099830400 cubic inches would be around 230.3 feet tall.

Recreational maths with 21099830400

• 21099830400 backwards is 00403899012
• 21099830400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21099830400's digits is 36
• More coming soon!