21252407400

Names of 21252407400

• Cardinal: 21252407400 can be written as Twenty-one billion, two hundred fifty-two million, four hundred seven thousand, four hundred.

Scientific notation

• Scientific notation: 2.12524074 × 10¹⁰

Factors of 21252407400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 711

Divisors of 21252407400

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 27 28 30 35 36 40 41 42 45 49 50 54 56 60 63 70 72 75 81 82 84 90 98 100 105 108 120 123 126 135 140 147 150 162 164 168 175 180 189 196 200 205 210 216 225 245 246 252 270 280 287 294 300 315 324 328 350 360 369 378 392 405 410 420 441 450 490 492 504 525 540 567 574 588 600 615 630 648 653 675 700 735 738 756 810 820 840 861 882 900 945 980 984 1025 1050 1080 1107 1134 1148 1176 1225 1230 1260 1306 1323 1350 1400 1435 1470 1476 1512 1575 1620 1640 1722 1764 1800 1845 1890 1959 1960 2009 2025 2050 2100 2205 2214 2268 2296 2450 2460 2520 2583 2612 2646 2700 2835 2870 2940 2952 3075 3150 3240 3265 3321 3444 3528 3675 3690 3780 3918 3969 4018 4050 4100 4200 4305 4410 4428 4536 4571 4725 4900 4920 5166 5224 5292 5400 5535 5670 5740 5877 5880 6027 6150 6300 6530 6615 6642 6888 7175 7350 7380 7560 7749 7836 7938 8036 8100 8200 8610 8820 8856 9142 9225 9450 9795 9800 10045 10332 10584 11025 11070 11340 11480 11754 12054 12300 12600 12915 13060 13230 13284 13713 14175 14350 14700 14760 15498 15672 15876 16072 16200 16325 16605 17220 17631 17640 18081 18284 18450 18900 19590 19845 20090 20664 21525 22050 22140 22680 22855 23247 23508 24108 24600 25830 26120 26460 26568 26773 27426 27675 28350 28700 29385 29400 30135 30996 31752 31997 32650 33075 33210 34440 35262 36162 36568 36900 37800 38745 39180 39690 40180 41139 43050 44100 44280 45710 46494 47016 48216 48975 50225 51660 52893 52920 53546 54243 54852 55350 56700 57400 58770 60270 61992 63994 64575 65300 66150 66420 68565 70524 72324 73800 77490 78360 79380 80319 80360 82278 83025 86100 88155 88200 90405 91420 92988 95991 97950 99225 100450 103320 105786 107092 108486 109704 110700 113400 114275 116235 117540 120540 123417 127988 129150 130600 132300 132840 133865 137130 141048 144648 146925 150675 154980 158760 159985 160638 162729 164556 166050 172200 176310 180810 182840 185976 187411 191982 193725 195900 198450 200900 205695 211572 214184 216972 221400 228550 232470 235080 240957 241080 246834 255976 258300 264465 264600 267730 271215 274260 287973 293850 301350 309960 319970 321276 325458 329112 332100 342825 352620 361620 370251 374822 383964 387450 391800 396900 401595 401800 411390 423144 433944 440775 452025 457100 464940 479955 481914 493668 516600 528930 535460 542430 548520 562233 575946 581175 587700 602700 617085 639940 642552 650916 664200 669325 685650 705240 722871 723240 740502 749644 767928 774900 793800 799925 803190 813645 822780 863919 881550 904050 914200 929880 937055 959910 963828 987336 1028475 1057860 1070920 1084860 1124466 1151892 1162350 1175400 1204785 1205400 1234170 1279880 1301832 1311877 1322325 1338650 1356075 1371300 1439865 1445742 1481004 1499288 1549800 1599850 1606380 1627290 1645560 1686699 1727838 1763100 1808100 1851255 1874110 1919820 1927656 2007975 2056950 2115720 2168613 2169720 2248932 2303784 2324700 2399775 2409570 2468340 2591757 2623754 2644650 2677300 2712150 2742600 2811165 2879730 2891484 2962008 3085425 3199700 3212760 3254580 3373398 3455676 3526200 3614355 3616200 3702510 3748220 3839640 3935631 4015950 4068225 4113900 4319595 4337226 4497864 4649400 4685275 4799550 4819140 4936680 5060097 5183514 5247508 5289300 5354600 5424300 5622330 5759460 5782968 6023925 6170850 6399400 6509160 6559385 6746796 6911352 7199325 7228710 7405020 7496440 7871262 8031900 8136450 8227800 8433495 8639190 8674452 9256275 9370550 9599100 9638280 10120194 10367028 10495016 10578600 10843065 10848600 11244660 11518920 11806893 12047850 12341700 12958785 13118770 13493592 14055825 14398650 14457420 14810040 15180291 15742524 16063800 16272900 16866990 17278380 17348904 18071775 18512550 18741100 19198200 19678155 20240388 20734056 21597975 21686130 22489320 23613786 24095700 24683400 25300485 25917570 26237540 28111650 28797300 28914840 30360582 31485048 32545800 32796925 33733980 34556760 35420679 36143550 37025100 37482200 39356310 40480776 42167475 43195950 43372260 47227572 48191400 50600970 51835140 52475080 54215325 56223300 57594600 59034465 60721164 64793925 65593850 67467960 70841358 72287100 74050200 75901455 78712620 84334950 86391900 86744520 94455144 98390775 101201940 103670280 106262037 108430650 112446600 118068930 121442328 126502425 129587850 131187700 141682716 144574200 151802910 157425240 168669900 172783800 177103395 196781550 202403880 212524074 216861300 236137860 253004850 259175700 262375400 283365432 295172325 303605820 337339800 354206790 379507275 393563100 425048148 433722600 472275720 506009700 518351400 531310185 590344650 607211640 708413580 759014550 787126200 850096296 885516975 1012019400 1062620370 1180689300 1416827160 1518029100 1771033950 2125240740 2361378600 2656550925 3036058200 3542067900 4250481480 5313101850 7084135800 10626203700 21252407400
• Sum of all divisors σ(n): 88092760140
• Sum of proper divisors (its aliquot sum) s(n): 66840352740
• 21252407400 is an abundant number, because the sum of its proper divisors (66840352740) is greater than itself. Its abundance is 45587945340

Bases of 21252407400

• Binary: 10011110010101111100000000001101000₂
• Hexadecimal: 0x4F2BE0068
• Base-36: 9RH4UI0

Squares and roots of 21252407400

• 21252407400 squared (21252407400²) is 451664820295574760000
• 21252407400 cubed (21252407400³) is 9598964769169343216677224000000
• The square root of 21252407400 is 145782.0544511565
• The cube root of 21252407400 is 2769.9337218651

Scales and comparisons

• 21,252,407,400 seconds is equal to 675 years, 39 weeks, 3 days, 22 hours, 30 minutes.
• To count from 1 to 21,252,407,400 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 21252407400 cubic inches would be around 230.8 feet tall.

Recreational maths with 21252407400

• 21252407400 backwards is 00470425212
• 21252407400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21252407400's digits is 27
• More coming soon!