21384932800

Names of 21384932800

• Cardinal: 21384932800 can be written as Twenty-one billion, three hundred eighty-four million, nine hundred thirty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13849328 × 10¹⁰

Factors of 21384932800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 343

Divisors of 21384932800

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 44 49 50 55 56 64 70 77 80 88 98 100 110 112 137 140 154 160 175 176 181 196 200 220 224 245 274 275 280 308 320 350 352 362 385 392 400 440 448 490 539 548 550 560 616 685 700 704 724 770 784 800 880 905 959 980 1078 1096 1100 1120 1225 1232 1267 1370 1400 1448 1507 1540 1568 1600 1760 1810 1918 1925 1960 1991 2156 2192 2200 2240 2450 2464 2534 2695 2740 2800 2896 3014 3080 3136 3425 3520 3620 3836 3850 3920 3982 4312 4384 4400 4525 4795 4900 4928 5068 5390 5480 5600 5792 6028 6160 6335 6713 6850 7240 7535 7672 7700 7840 7964 8624 8768 8800 8869 9050 9590 9800 9955 10136 10549 10780 10960 11200 11584 12056 12320 12670 13426 13475 13700 13937 14480 15070 15344 15400 15680 15928 17248 17600 17738 18100 19180 19600 19910 20272 21098 21560 21920 23975 24112 24640 24797 25340 26852 26950 27400 27874 28960 30140 30688 30800 31675 31856 33565 34496 35476 36200 37675 38360 39200 39820 40544 42196 43120 43840 44345 47950 48224 49594 49775 50680 52745 53704 53900 54800 55748 57920 60280 61376 61600 63350 63712 67130 69685 70952 72400 73843 75350 76720 78400 79640 81088 84392 86240 88690 95900 96448 97559 99188 99550 101360 105490 107408 107800 109600 111496 120560 123200 123985 126700 127424 134260 139370 141904 144800 147686 150700 153440 159280 167825 168784 172480 173579 177380 191800 195118 198376 199100 202720 210980 214816 215600 219200 221725 222992 241120 247970 253400 263725 268520 272767 278740 283808 289600 295372 301400 306880 318560 335650 337568 347158 348425 354760 369215 383600 390236 396752 398200 405440 421960 429632 431200 443450 445984 482240 487795 495940 506800 527450 537040 545534 557480 567616 590744 602800 619925 637120 671300 675136 694316 696850 709520 738430 767200 780472 793504 796400 843920 862400 867895 886900 891968 975590 991880 1013600 1054900 1074080 1091068 1114960 1181488 1205600 1215053 1239850 1342600 1363835 1388632 1393700 1419040 1476860 1534400 1560944 1587008 1592800 1687840 1735790 1773800 1846075 1909369 1951180 1983760 2027200 2109800 2148160 2182136 2229920 2362976 2411200 2430106 2438975 2479700 2685200 2727670 2777264 2787400 2838080 2953720 3121888 3185600 3375680 3471580 3547600 3692150 3818738 3902360 3967520 4219600 4339475 4364272 4459840 4725952 4860212 4877950 4959400 5370400 5455340 5554528 5574800 5907440 6075265 6243776 6819175 6943160 7095200 7384300 7637476 7804720 7935040 8439200 8678950 8728544 9546845 9720424 9755900 9918800 10740800 10910680 11109056 11149600 11814880 12150530 13365583 13638350 13886320 14190400 14768600 15274952 15609440 16878400 17357900 17457088 19093690 19440848 19511800 19837600 21821360 22299200 23629760 24301060 26731166 27276700 27772640 29537200 30376325 30549904 31218880 34715800 38187380 38881696 39023600 39675200 43642720 47734225 48602120 53462332 54553400 55545280 59074400 60752650 61099808 66827915 69431600 76374760 77763392 78047200 87285440 95468450 97204240 106924664 109106800 118148800 121505300 122199616 133655830 138863200 152749520 156094400 190936900 194408480 213849328 218213600 243010600 267311660 277726400 305499040 334139575 381873800 388816960 427698656 436427200 486021200 534623320 610998080 668279150 763747600 855397312 972042400 1069246640 1336558300 1527495200 1944084800 2138493280 2673116600 3054990400 4276986560 5346233200 10692466400 21384932800
• Sum of all divisors σ(n): 67635077328
• Sum of proper divisors (its aliquot sum) s(n): 46250144528
• 21384932800 is an abundant number, because the sum of its proper divisors (46250144528) is greater than itself. Its abundance is 24865211728

Bases of 21384932800

• Binary: 10011111010101001000010110111000000₂
• Hexadecimal: 0x4FAA42DC0
• Base-36: 9TO1BR4

Squares and roots of 21384932800

• 21384932800 squared (21384932800²) is 457315350860515840000
• 21384932800 cubed (21384932800³) is 9779658046560553411735552000000
• The square root of 21384932800 is 146235.8806859657
• The cube root of 21384932800 is 2775.6793640085

Scales and comparisons

• 21,384,932,800 seconds is equal to 679 years, 50 weeks, 4 days, 19 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,384,932,800 would take you about one thousand, three hundred fifty-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 21384932800 cubic inches would be around 231.3 feet tall.

Recreational maths with 21384932800

• 21384932800 backwards is 00823948312
• 21384932800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21384932800's digits is 40
• More coming soon!