20427799644

Names of 20427799644

• Cardinal: 20427799644 can be written as Twenty billion, four hundred twenty-seven million, seven hundred ninety-nine thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 2.0427799644 × 10¹⁰

Factors of 20427799644

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 318

Divisors of 20427799644

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 43 54 63 67 83 84 86 108 113 126 129 134 166 172 189 201 226 249 252 258 268 301 332 339 378 387 402 452 469 498 516 581 602 603 678 747 756 774 791 804 903 938 996 1017 1161 1162 1204 1206 1356 1407 1494 1548 1582 1743 1806 1809 1876 2034 2241 2322 2324 2373 2412 2709 2814 2881 2988 3051 3164 3486 3569 3612 3618 4068 4221 4482 4644 4746 4859 5229 5418 5561 5628 5762 6102 6972 7119 7138 7236 7571 8127 8442 8643 8964 9379 9492 9718 10458 10707 10836 11122 11524 12204 12663 14238 14276 14577 15142 15687 16254 16683 16884 17286 18758 19436 20167 20916 21357 21414 22244 22713 24983 25326 25929 28137 28476 29154 30284 31374 32121 32508 33366 34013 34572 37516 38927 40334 42714 42828 43731 45426 49966 50049 50652 51858 52997 56274 58308 60501 62748 64242 65653 66732 68026 68139 74949 77787 77854 80668 84411 85428 87462 90852 96363 99932 100098 102039 103716 105994 112548 116781 121002 128484 131193 131306 136052 136278 149898 150147 155574 155708 158991 168822 174924 181503 192726 196959 200196 204078 204417 211988 224847 233562 239123 242004 253233 262386 262612 272556 299796 300294 306117 311148 317982 325553 337644 350343 363006 385452 393918 403297 408156 408834 449694 467124 476973 478246 506466 524772 544509 590877 600588 612234 628393 635964 651106 674541 700686 717369 726012 787836 806594 817668 899388 918351 953946 956492 976659 1012932 1051029 1089018 1181754 1209891 1224468 1256786 1302212 1349082 1401372 1430919 1434738 1613188 1673861 1772631 1836702 1885179 1907892 1953318 2102058 2152107 2178036 2278871 2363508 2419782 2513572 2698164 2823079 2861838 2869476 2929977 3347722 3545262 3629673 3673404 3770358 3906636 4204116 4304214 4398751 4557742 4839564 5021583 5646158 5655537 5723676 5859954 6456321 6695444 6836613 7090524 7259346 7540716 8469237 8608428 8789931 8797502 9115484 10043166 10889019 11292316 11311074 11719908 12912642 13196253 13673226 14518692 15064749 16938474 16966611 17579862 17595004 20086332 20509839 21778038 22622148 25407711 25825284 26392506 27020899 27346452 30129498 33876948 33933222 35159724 39588759 41019678 43556076 45194247 50815422 52785012 54041798 60258996 61529517 67866444 76223133 79177518 81062697 82039356 90388494 101630844 108083596 118766277 123059034 152446266 158355036 162125394 180776988 189146293 237532554 243188091 246118068 304892532 324250788 378292586 475065108 486376182 567438879 729564273 756585172 972752364 1134877758 1459128546 1702316637 2269755516 2918257092 3404633274 5106949911 6809266548 10213899822 20427799644
• Sum of all divisors σ(n): 64179118080
• Sum of proper divisors (its aliquot sum) s(n): 43751318436
• 20427799644 is an abundant number, because the sum of its proper divisors (43751318436) is greater than itself. Its abundance is 23323518792

Bases of 20427799644

• Binary: 10011000001100101110111110001011100₂
• Hexadecimal: 0x4C1977C5C
• Base-36: 9DU6N30

Squares and roots of 20427799644

• 20427799644 squared (20427799644²) is 417294998295406526736
• 20427799644 cubed (20427799644³) is 8524418617621886053692937281984
• The square root of 20427799644 is 142925.8536584617
• The cube root of 20427799644 is 2733.6350225333

Scales and comparisons

• 20,427,799,644 seconds is equal to 649 years, 28 weeks, 20 hours, 47 minutes, 24 seconds.
• To count from 1 to 20,427,799,644 would take you about one thousand, two hundred ninety-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 20427799644 cubic inches would be around 227.8 feet tall.

Recreational maths with 20427799644

• 20427799644 backwards is 44699772402
• 20427799644 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20427799644's digits is 54
• More coming soon!