21689197200

Names of 21689197200

• Cardinal: 21689197200 can be written as Twenty-one billion, six hundred eighty-nine million, one hundred ninety-seven thousand, two hundred.

Scientific notation

• Scientific notation: 2.16891972 × 10¹⁰

Factors of 21689197200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2411

Divisors of 21689197200

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 33 36 40 44 45 48 50 54 55 60 66 72 75 79 80 88 90 99 100 108 110 120 132 135 144 150 158 165 176 180 198 200 216 220 225 237 240 264 270 275 297 300 316 330 360 395 396 400 432 440 450 474 495 528 540 550 594 600 632 660 675 711 720 790 792 825 869 880 900 948 990 1080 1100 1185 1188 1200 1264 1320 1350 1422 1485 1580 1584 1650 1738 1800 1896 1975 1980 2133 2160 2200 2311 2370 2376 2475 2607 2640 2700 2844 2970 3160 3300 3476 3555 3600 3792 3950 3960 4266 4345 4400 4622 4740 4752 4950 5214 5400 5688 5925 5940 6320 6600 6933 6952 7110 7425 7821 7900 7920 8532 8690 9244 9480 9900 10428 10665 10800 11376 11555 11850 11880 13035 13200 13866 13904 14220 14850 15642 15800 17064 17380 17775 18488 18960 19800 20799 20856 21330 21725 23110 23463 23700 23760 25421 26070 27732 28440 29700 31284 31600 34128 34665 34760 35550 36976 39105 39600 41598 41712 42660 43450 46220 46926 47400 50842 52140 53325 55464 56880 57775 59400 62397 62568 65175 69330 69520 71100 76263 78210 83196 85320 86900 92440 93852 94800 101684 103995 104280 106650 110928 115550 117315 118800 124794 125136 127105 130350 138660 142200 152526 156420 166392 170640 173325 173800 182569 184880 187704 195525 203368 207990 208560 213300 228789 231100 234630 249588 254210 260700 277320 284400 305052 311985 312840 332784 346650 347600 365138 375408 381315 391050 406736 415980 426600 457578 462200 469260 499176 508420 519975 521400 547707 554640 586575 610104 623970 625680 635525 686367 693300 730276 762630 782100 831960 853200 912845 915156 924400 938520 998352 1016840 1039950 1042800 1095414 1143945 1173150 1220208 1247940 1271050 1372734 1386600 1460552 1525260 1559925 1564200 1643121 1663920 1825690 1830312 1877040 1906575 2008259 2033680 2079900 2190828 2287890 2346300 2495880 2542100 2738535 2745468 2773200 2921104 3050520 3119850 3128400 3286242 3431835 3651380 3660624 3813150 4016518 4159800 4381656 4564225 4575780 4692600 4929363 4991760 5084200 5477070 5490936 5719725 6024777 6101040 6239700 6572484 6863670 7302760 7626300 8033036 8215605 8319600 8763312 9128450 9151560 9385200 9858726 10041295 10168400 10954140 10981872 11439450 12049554 12479400 13144968 13692675 13727340 14605520 15252600 16066072 16431210 17159175 18074331 18256900 18303120 19717452 20082590 21908280 22878900 24099108 24646815 24958800 26289936 27385350 27454680 30123885 30505200 32132144 32862420 34318350 36148662 36513800 39434904 40165180 41078025 43816560 45757800 48198216 49293630 50206475 54222993 54770700 54909360 60247770 65724840 68636700 72297324 73027600 78869808 80330360 82156050 90371655 91515600 96396432 98587260 100412950 108445986 109541400 120495540 123234075 131449680 137273400 144594648 150619425 160660720 164312100 180743310 197174520 200825900 216891972 219082800 240991080 246468150 271114965 274546800 289189296 301238850 328624200 361486620 394349040 401651800 433783944 451858275 481982160 492936300 542229930 602477700 657248400 722973240 803303600 867567888 903716550 985872600 1084459860 1204955400 1355574825 1445946480 1807433100 1971745200 2168919720 2409910800 2711149650 3614866200 4337839440 5422299300 7229732400 10844598600 21689197200
• Sum of all divisors σ(n): 85318348800
• Sum of proper divisors (its aliquot sum) s(n): 63629151600
• 21689197200 is an abundant number, because the sum of its proper divisors (63629151600) is greater than itself. Its abundance is 41939954400

Bases of 21689197200

• Binary: 10100001100110001101110001010010000₂
• Hexadecimal: 0x50CC6E290
• Base-36: 9YP6RO0

Squares and roots of 21689197200

• 21689197200 squared (21689197200²) is 470421275180487840000
• 21689197200 cubed (21689197200³) is 10203059804465066353962048000000
• The square root of 21689197200 is 147272.5269695607
• The cube root of 21689197200 is 2788.7815236615

Scales and comparisons

• 21,689,197,200 seconds is equal to 689 years, 33 weeks, 5 days, 9 hours.
• To count from 1 to 21,689,197,200 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 21689197200 cubic inches would be around 232.4 feet tall.

Recreational maths with 21689197200

• 21689197200 backwards is 00279198612
• 21689197200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21689197200's digits is 45
• More coming soon!