20993738400

Names of 20993738400

• Cardinal: 20993738400 can be written as Twenty billion, nine hundred ninety-three million, seven hundred thirty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.09937384 × 10¹⁰

Factors of 20993738400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 267

Divisors of 20993738400

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 30 32 36 38 40 41 45 48 50 57 60 72 75 76 80 82 90 95 96 100 114 120 123 144 150 152 160 164 171 180 190 197 200 205 225 228 240 246 285 288 300 304 328 342 360 361 369 380 394 400 410 450 456 475 480 492 570 591 600 608 615 656 684 720 722 738 760 779 788 800 820 855 900 912 950 984 985 1025 1083 1140 1182 1200 1230 1312 1368 1425 1440 1444 1476 1520 1558 1576 1640 1710 1773 1800 1805 1824 1845 1900 1968 1970 2050 2166 2280 2337 2364 2400 2460 2736 2850 2888 2952 2955 3040 3075 3116 3152 3249 3280 3420 3546 3600 3610 3690 3743 3800 3895 3936 3940 4100 4275 4332 4560 4674 4728 4920 4925 5415 5472 5700 5776 5904 5910 6150 6232 6304 6498 6560 6840 7011 7092 7200 7220 7380 7486 7600 7790 7880 8077 8200 8550 8664 8865 9025 9120 9225 9348 9456 9840 9850 10830 11229 11400 11552 11685 11808 11820 12300 12464 12996 13680 14022 14184 14440 14760 14775 14801 14972 15200 15580 15760 16154 16245 16400 17100 17328 17730 18050 18450 18696 18715 18912 19475 19680 19700 21660 22458 22800 23370 23640 24231 24600 24928 25992 27075 27360 28044 28368 28880 29520 29550 29602 29944 31160 31520 32308 32490 32800 33687 34200 34656 35055 35460 36100 36900 37392 37430 38950 39400 40385 43320 44325 44403 44916 45600 46740 47280 48462 49200 51984 54150 56088 56145 56736 57760 58425 59040 59100 59204 59888 62320 64616 64980 67374 68400 70110 70920 71117 72200 72693 73800 74005 74784 74860 77900 78800 80770 81225 86640 88650 88806 89832 93480 93575 94560 96924 98400 103968 108300 112176 112290 116850 118200 118408 119776 121155 124640 129232 129960 133209 134748 136800 140220 141840 142234 144400 145386 147600 148010 149720 153463 155800 157600 161540 162450 168435 173280 175275 177300 177612 179664 186960 187150 193848 201925 213351 216600 222015 224352 224580 233700 236400 236816 242310 258464 259920 266418 269496 280440 280725 283680 284468 288800 290772 295200 296020 299440 306926 311600 323080 324900 336870 350550 354600 355224 355585 359328 363465 370025 373920 374300 387696 403850 426702 433200 444030 449160 460389 467400 472800 473632 484620 519840 532836 538992 560880 561450 568936 581544 592040 598880 605775 613852 623200 640053 646160 649800 666045 673740 701100 709200 710448 711170 726930 740050 748600 767315 775392 807700 842175 853404 866400 888060 898320 920778 934800 969240 1065672 1066755 1077984 1110075 1121760 1122900 1137872 1163088 1184080 1211550 1227704 1280106 1292320 1299600 1332090 1347480 1381167 1402200 1418400 1420896 1422340 1453860 1480100 1497200 1534630 1615400 1684350 1706808 1776120 1777925 1796640 1817325 1841556 1869600 1938480 2131344 2133510 2220150 2245800 2275744 2301945 2326176 2368160 2423100 2455408 2560212 2599200 2664180 2694960 2762334 2804400 2844680 2907720 2915797 2960200 2994400 3069260 3200265 3230800 3330225 3368700 3413616 3552240 3555850 3634650 3683112 3836575 3876960 4262688 4267020 4440300 4491600 4603890 4846200 4910816 5120424 5328360 5333775 5389920 5524668 5608800 5689360 5815440 5831594 5920400 6138520 6400530 6461600 6660450 6737400 6827232 6905835 7104480 7111700 7269300 7366224 7673150 8534040 8747391 8880600 8983200 9207780 9692400 10240848 10656720 10667550 11049336 11378720 11509725 11630880 11663188 11840800 12277040 12801060 13320900 13474800 13811670 14223400 14538600 14578985 14732448 15346300 16001325 17068080 17494782 17761200 18415560 19384800 20481696 21313440 21335100 22098672 23019450 23326376 24554080 25602120 26242173 26641800 26949600 27623340 28446800 29077200 29157970 30692600 32002650 34136160 34529175 34989564 35522400 36831120 42670200 43736955 44197344 46038900 46652752 51204240 52484346 53283600 55246680 56893600 58154400 58315940 61385200 64005300 69058350 69979128 72894925 73662240 85340400 87473910 92077800 93305504 102408480 104968692 106567200 110493360 116631880 122770400 128010600 131210865 138116700 139958256 145789850 170680800 174947820 184155600 209937384 218684775 220986720 233263760 256021200 262421730 276233400 279916512 291579700 349895640 368311200 419874768 437369550 466527520 512042400 524843460 552466800 583159400 656054325 699791280 839749536 874739100 1049686920 1104933600 1166318800 1312108650 1399582560 1749478200 2099373840 2332637600 2624217300 3498956400 4198747680 5248434600 6997912800 10496869200 20993738400
• Sum of all divisors σ(n): 80442406044
• Sum of proper divisors (its aliquot sum) s(n): 59448667644
• 20993738400 is an abundant number, because the sum of its proper divisors (59448667644) is greater than itself. Its abundance is 38454929244

Bases of 20993738400

• Binary: 10011100011010100110000011010100000₂
• Hexadecimal: 0x4E35306A0
• Base-36: 9N74O80

Squares and roots of 20993738400

• 20993738400 squared (20993738400²) is 440737052007634560000
• 20993738400 cubed (20993738400³) is 9252718373035474755439104000000
• The square root of 20993738400 is 144892.1612786559
• The cube root of 20993738400 is 2758.6499383351

Scales and comparisons

• 20,993,738,400 seconds is equal to 667 years, 27 weeks, 6 days, 2 hours.
• To count from 1 to 20,993,738,400 would take you about one thousand, three hundred thirty-five 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 20993738400 cubic inches would be around 229.9 feet tall.

Recreational maths with 20993738400

• 20993738400 backwards is 00483739902
• 20993738400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20993738400's digits is 45
• More coming soon!