20697638220

Names of 20697638220

• Cardinal: 20697638220 can be written as Twenty billion, six hundred ninety-seven million, six hundred thirty-eight thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.069763822 × 10¹⁰

Factors of 20697638220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1242

Divisors of 20697638220

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 49 57 60 63 70 76 84 90 95 98 105 113 114 126 133 140 147 171 180 190 196 210 226 228 245 252 266 285 294 315 339 342 380 399 420 441 452 490 532 565 570 588 630 665 678 684 735 791 798 855 882 931 980 1017 1093 1130 1140 1197 1260 1330 1356 1470 1582 1596 1695 1710 1764 1862 1995 2034 2147 2186 2205 2260 2373 2394 2660 2793 2940 3164 3279 3390 3420 3724 3955 3990 4068 4294 4372 4410 4655 4746 4788 5085 5465 5537 5586 5985 6441 6558 6780 7119 7651 7910 7980 8379 8588 8820 9310 9492 9837 10170 10735 10930 11074 11172 11865 11970 12882 13116 13965 14238 15029 15302 15820 16395 16611 16758 18620 19323 19674 20340 20767 21470 21860 22148 22953 23730 23940 25764 27685 27930 28476 30058 30604 32205 32790 33222 33516 35595 38255 38646 39348 41534 41895 42940 45087 45906 47460 49185 49833 53557 55370 55860 60116 62301 64410 65580 66444 68859 71190 75145 76510 77292 83055 83068 83790 90174 91812 96615 98370 99666 103835 105203 107114 110740 114765 123509 124602 128820 135261 137718 142380 145369 150290 153020 160671 166110 167580 180348 186903 193230 196740 199332 207670 210406 214228 225435 229530 247018 249165 249204 267785 270522 275436 290738 300580 311505 315609 321342 332220 344295 370527 373806 386460 415340 420812 436107 450870 459060 482013 494036 498330 526015 535570 541044 581476 617545 623010 631218 642684 676305 688590 726845 741054 747612 803355 864563 872214 901740 934515 946827 964026 996660 1017583 1052030 1071140 1111581 1235090 1246020 1262436 1308321 1352610 1377180 1453690 1482108 1578045 1606710 1729126 1744428 1852635 1869030 1893654 1928052 2035166 2104060 2180535 2223162 2346671 2410065 2470180 2593689 2616642 2705220 2907380 3052749 3156090 3213420 3458252 3705270 3738060 3787308 4070332 4322815 4361070 4446324 4693342 4734135 4820130 5087915 5187378 5233284 5557905 6051941 6105498 6312180 6541605 7040013 7410540 7781067 8645630 8722140 9158247 9386684 9468270 9640260 10175830 10374756 11115810 11733355 12103882 12210996 12968445 13083210 14080026 15263745 15562134 16426697 17291260 18155823 18316494 18936540 20351660 21120039 22231620 23466710 24207764 25936890 26166420 28160052 30259705 30527490 31124268 32853394 35200065 36311646 36632988 38905335 42240078 45791235 46933420 49280091 51873780 54467469 60519410 61054980 65706788 70400130 72623292 77810670 82133485 84480156 90779115 91582470 98560182 105600195 108934938 114986879 121038820 140800260 147840273 155621340 164266970 181558230 183164940 197120364 211200390 217869876 229973758 246400455 272337345 295680546 328533940 344960637 363116460 422400780 459947516 492800910 544674690 574934395 591361092 689921274 739201365 985601820 1034881911 1089349380 1149868790 1379842548 1478402730 1724803185 2069763822 2299737580 2956805460 3449606370 4139527644 5174409555 6899212740 10348819110 20697638220
• Sum of all divisors σ(n): 77628227040
• Sum of proper divisors (its aliquot sum) s(n): 56930588820
• 20697638220 is an abundant number, because the sum of its proper divisors (56930588820) is greater than itself. Its abundance is 36232950600

Bases of 20697638220

• Binary: 10011010001101011001110010101001100₂
• Hexadecimal: 0x4D1ACE54C
• Base-36: 9IAU7V0

Squares and roots of 20697638220

• 20697638220 squared (20697638220²) is 428392227886004768400
• 20697638220 cubed (20697638220³) is 8866707349044322097538088248000
• The square root of 20697638220 is 143866.7377123705
• The cube root of 20697638220 is 2745.6189512723

Scales and comparisons

• 20,697,638,220 seconds is equal to 658 years, 6 weeks, 1 day, 23 hours, 57 minutes.
• To count from 1 to 20,697,638,220 would take you about one thousand, three hundred sixteen 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 20697638220 cubic inches would be around 228.8 feet tall.

Recreational maths with 20697638220

• 20697638220 backwards is 02283679602
• 20697638220 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20697638220's digits is 45
• More coming soon!