21689940800

Names of 21689940800

• Cardinal: 21689940800 can be written as Twenty-one billion, six hundred eighty-nine million, nine hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.16899408 × 10¹⁰

Factors of 21689940800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 395

Divisors of 21689940800

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 61 64 80 88 89 100 110 122 160 176 178 200 220 227 244 275 305 320 352 356 400 440 445 454 488 550 610 671 704 712 800 880 890 908 976 979 1100 1135 1220 1342 1424 1525 1600 1760 1780 1816 1952 1958 2200 2225 2270 2440 2497 2684 2848 3050 3355 3520 3560 3632 3904 3916 4400 4450 4540 4880 4895 4994 5368 5429 5675 5696 6100 6710 7120 7264 7832 8800 8900 9080 9760 9790 9988 10736 10858 11350 12200 12485 13420 13847 14240 14528 15664 16775 17600 17800 18160 19520 19580 19976 20203 21472 21716 22700 24400 24475 24970 26840 27145 27694 28480 31328 33550 35600 36320 39160 39952 40406 42944 43432 45400 48800 48950 49940 53680 54290 55388 59719 62425 62656 67100 69235 71200 72640 78320 79904 80812 86864 90800 97600 97900 99880 101015 107360 108580 110776 119438 124850 134200 135725 138470 142400 152317 156640 159808 161624 173728 181600 195800 199760 202030 214720 217160 221552 222233 238876 249700 268400 271450 276940 298595 304634 313280 323248 346175 347456 363200 391600 399520 404060 434320 443104 444466 477752 499400 505075 536800 542900 553880 597190 609268 646496 692350 761585 783200 799040 808120 868640 886208 888932 955504 998800 1010150 1073600 1085800 1107760 1111165 1194380 1218536 1232383 1292992 1384700 1492975 1523170 1566400 1616240 1737280 1777864 1911008 1997600 2020300 2171600 2215520 2222330 2388760 2437072 2464766 2769400 2985950 3046340 3232480 3555728 3807925 3822016 3995200 4040600 4343200 4431040 4444660 4777520 4874144 4929532 5538800 5555825 5971900 6092680 6161915 6464960 7111456 7615850 8081200 8686400 8889320 9555040 9748288 9859064 11077600 11111650 11943800 12185360 12323830 13556213 14222912 15231700 16162400 17778640 19110080 19718128 22155200 22223300 23887600 24370720 24647660 27112426 30463400 30809575 32324800 35557280 39436256 44446600 47775200 48741440 49295320 54224852 60926800 61619150 67781065 71114560 78872512 88893200 95550400 98590640 108449704 121853600 123238300 135562130 177786400 197181280 216899408 243707200 246476600 271124260 338905325 355572800 394362560 433798816 492953200 542248520 677810650 867597632 985906400 1084497040 1355621300 1971812800 2168994080 2711242600 4337988160 5422485200 10844970400 21689940800
• Sum of all divisors σ(n): 60105706560
• Sum of proper divisors (its aliquot sum) s(n): 38415765760
• 21689940800 is an abundant number, because the sum of its proper divisors (38415765760) is greater than itself. Its abundance is 16725824960

Bases of 21689940800

• Binary: 10100001100110100100011101101000000₂
• Hexadecimal: 0x50CD23B40
• Base-36: 9YPMPFK

Squares and roots of 21689940800

• 21689940800 squared (21689940800²) is 470453531907504640000
• 21689940800 cubed (21689940800³) is 10204109256224686717325312000000
• The square root of 21689940800 is 147275.0515192577
• The cube root of 21689940800 is 2788.8133938167

Scales and comparisons

• 21,689,940,800 seconds is equal to 689 years, 34 weeks, 6 days, 23 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,689,940,800 would take you about one thousand, three hundred seventy-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 21689940800 cubic inches would be around 232.4 feet tall.

Recreational maths with 21689940800

• 21689940800 backwards is 00804998612
• The number of decimal digits it has is: 11
• The sum of 21689940800's digits is 47
• More coming soon!