21298243200

Names of 21298243200

• Cardinal: 21298243200 can be written as Twenty-one billion, two hundred ninety-eight million, two hundred forty-three thousand, two hundred.

Scientific notation

• Scientific notation: 2.12982432 × 10¹⁰

Factors of 21298243200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1267

Divisors of 21298243200

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 64 65 75 78 80 96 100 104 120 128 130 150 156 157 160 192 195 200 208 240 260 300 312 314 320 325 384 390 400 416 471 480 520 600 624 628 640 650 780 785 800 832 942 960 975 1040 1087 1200 1248 1256 1300 1560 1570 1600 1664 1884 1920 1950 2041 2080 2174 2355 2400 2496 2512 2600 3120 3140 3200 3261 3768 3900 3925 4082 4160 4348 4710 4800 4992 5024 5200 5435 6123 6240 6280 6522 7536 7800 7850 8164 8320 8696 9420 9600 10048 10205 10400 10870 11775 12246 12480 12560 13044 14131 15072 15600 15700 16305 16328 17392 18840 20096 20410 20800 21740 23550 24492 24960 25120 26088 27175 28262 30144 30615 31200 31400 32610 32656 34784 37680 40820 41600 42393 43480 47100 48984 50240 51025 52176 54350 56524 60288 61230 62400 62800 65220 65312 69568 70655 75360 81525 81640 84786 86960 94200 97968 100480 102050 104352 108700 113048 122460 124800 125600 130440 130624 139136 141310 150720 153075 163050 163280 169572 170659 173920 188400 195936 204100 208704 211965 217400 226096 244920 251200 260880 261248 282620 301440 306150 326100 326560 339144 341318 347840 353275 376800 391872 408200 417408 423930 434800 452192 489840 502400 511977 521760 565240 612300 652200 653120 678288 682636 695680 706550 753600 783744 816400 847860 853295 869600 904384 979680 1023954 1043520 1059825 1130480 1224600 1304400 1306240 1356576 1365272 1413100 1507200 1632800 1695720 1706590 1739200 1808768 1959360 2047908 2087040 2119650 2218567 2260960 2449200 2559885 2608800 2713152 2730544 2826200 3265600 3391440 3413180 3478400 3918720 4095816 4239300 4266475 4437134 4521920 4898400 5119770 5217600 5426304 5461088 5652400 6531200 6655701 6782880 6826360 8191632 8478600 8532950 8874268 9043840 9796800 10239540 10435200 10922176 11092835 11304800 12799425 13311402 13565760 13652720 16383264 16957200 17065900 17748536 19593600 20479080 21844352 22185670 22609600 25598850 26622804 27131520 27305440 32766528 33278505 33914400 34131800 35497072 40958160 44371340 45219200 51197700 53245608 54610880 55464175 65533056 66557010 67828800 68263600 70994144 81916320 88742680 102395400 106491216 109221760 110928350 133114020 135657600 136527200 141988288 163832640 166392525 177485360 204790800 212982432 221856700 266228040 273054400 283976576 327665280 332785050 354970720 409581600 425964864 443713400 532456080 546108800 665570100 709941440 819163200 851929728 887426800 1064912160 1331140200 1419882880 1638326400 1774853600 2129824320 2662280400 3549707200 4259648640 5324560800 7099414400 10649121600 21298243200
• Sum of all divisors σ(n): 76098462720
• Sum of proper divisors (its aliquot sum) s(n): 54800219520
• 21298243200 is an abundant number, because the sum of its proper divisors (54800219520) is greater than itself. Its abundance is 33501976320

Bases of 21298243200

• Binary: 10011110101011110010110011010000000₂
• Hexadecimal: 0x4F5796680
• Base-36: 9S8F9MO

Squares and roots of 21298243200

• 21298243200 squared (21298243200²) is 453615163406346240000
• 21298243200 cubed (21298243200³) is 9661206069436102642925568000000
• The square root of 21298243200 is 145939.1763715281
• The cube root of 21298243200 is 2771.9236291789

Scales and comparisons

• 21,298,243,200 seconds is equal to 677 years, 11 weeks, 2 days, 10 hours, 40 minutes.
• To count from 1 to 21,298,243,200 would take you about one thousand, three hundred fifty-four 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 21298243200 cubic inches would be around 231 feet tall.

Recreational maths with 21298243200

• 21298243200 backwards is 00234289212
• The number of decimal digits it has is: 11
• The sum of 21298243200's digits is 33
• More coming soon!