20687947020

Names of 20687947020

• Cardinal: 20687947020 can be written as Twenty billion, six hundred eighty-seven million, nine hundred forty-seven thousand and twenty.

Scientific notation

• Scientific notation: 2.068794702 × 10¹⁰

Factors of 20687947020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1026

Divisors of 20687947020

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 17 18 20 26 27 30 34 36 39 45 51 52 54 60 65 68 78 85 90 102 108 117 130 135 153 156 170 180 195 204 221 229 234 255 260 270 306 340 351 390 442 458 459 468 510 540 585 612 663 687 702 757 765 780 884 916 918 1020 1105 1145 1170 1326 1374 1404 1514 1530 1755 1836 1989 2061 2210 2271 2290 2295 2340 2652 2748 2977 3028 3060 3315 3435 3510 3785 3893 3978 4122 4420 4542 4580 4590 5954 5967 6183 6630 6813 6870 7020 7570 7786 7956 8244 8931 9084 9180 9841 9945 10305 11355 11679 11908 11934 12366 12869 13260 13626 13740 14885 15140 15572 17862 19465 19682 19890 20439 20610 22710 23358 23868 24732 25738 26793 27252 29523 29770 29835 30915 34065 35037 35724 38607 38930 39364 39780 40878 41220 44655 45420 46716 49205 50609 51476 53586 58395 59046 59540 59670 61830 64345 68130 70074 77214 77860 80379 81756 88569 89310 98410 101218 102195 105111 107172 115821 116790 118092 119340 123660 128690 133965 136260 140148 147615 151827 154428 160758 167297 173353 175185 177138 178620 193035 196820 202436 204390 210222 231642 233580 253045 257380 265707 267930 295230 303654 321516 334594 346706 347463 350370 354276 386070 401895 408780 420444 442845 455481 463284 501891 506090 520059 525555 531414 535860 579105 590460 607308 669188 693412 694926 700740 759135 772140 803790 836485 866765 885690 910962 1003782 1012180 1040118 1051110 1062828 1158210 1328535 1366443 1389852 1505673 1518270 1560177 1607580 1672970 1733530 1737315 1771380 1821924 2007564 2080236 2102220 2253589 2277405 2316420 2509455 2600295 2657070 2732886 2947001 3011346 3036540 3120354 3345940 3467060 3474630 4507178 4517019 4554810 4680531 5018910 5200590 5314140 5465772 5894002 6022692 6240708 6760767 6832215 6949260 7528365 7800885 8841003 9014356 9034038 9109620 9361062 10037820 10401180 11267945 11788004 13521534 13664430 14735005 15056730 15601770 17682006 18068076 18722124 20282301 22535890 22585095 23402655 26523009 27043068 27328860 29470010 30113460 31203540 33803835 35364012 38311013 40564602 44205015 45071780 45170190 46805310 53046018 58940020 60846903 67607670 76622026 79569027 81129204 88410030 90340380 93610620 101411505 106092036 114933039 121693806 132615045 135215340 153244052 159138054 176820060 191555065 202823010 229866078 243387612 265230090 304234515 318276108 344799117 383110130 397845135 405646020 459732156 530460180 574665195 608469030 689598234 766220260 795690270 1034397351 1149330390 1216938060 1379196468 1591380540 1723995585 2068794702 2298660780 3447991170 4137589404 5171986755 6895982340 10343973510 20687947020
• Sum of all divisors σ(n): 73808582400
• Sum of proper divisors (its aliquot sum) s(n): 53120635380
• 20687947020 is an abundant number, because the sum of its proper divisors (53120635380) is greater than itself. Its abundance is 32432688360

Bases of 20687947020

• Binary: 10011010001000110010000010100001100₂
• Hexadecimal: 0x4D119050C
• Base-36: 9I52I30

Squares and roots of 20687947020

• 20687947020 squared (20687947020²) is 427991151902326880400
• 20687947020 cubed (20687947020³) is 8854258275584110716437076408000
• The square root of 20687947020 is 143833.0525991853
• The cube root of 20687947020 is 2745.1903597569

Scales and comparisons

• 20,687,947,020 seconds is equal to 657 years, 42 weeks, 1 day, 19 hours, 57 minutes.
• To count from 1 to 20,687,947,020 would take you about one thousand, three hundred fifteen 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 20687947020 cubic inches would be around 228.8 feet tall.

Recreational maths with 20687947020

• 20687947020 backwards is 02074978602
• 20687947020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20687947020's digits is 45
• More coming soon!