20218938480

Names of 20218938480

• Cardinal: 20218938480 can be written as Twenty billion, two hundred eighteen million, nine hundred thirty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.021893848 × 10¹⁰

Factors of 20218938480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 456

Divisors of 20218938480

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 73 78 80 90 104 117 120 127 130 144 146 156 180 195 208 219 233 234 240 254 260 292 312 360 365 381 390 438 466 468 508 520 584 585 624 635 657 699 720 730 762 780 876 932 936 949 1016 1040 1095 1143 1165 1168 1170 1270 1314 1398 1460 1524 1560 1651 1752 1864 1872 1898 1905 2032 2097 2190 2286 2330 2340 2540 2628 2796 2847 2920 3029 3048 3120 3285 3302 3495 3504 3728 3796 3810 4194 4380 4572 4660 4680 4745 4953 5080 5256 5592 5694 5715 5840 6058 6096 6570 6604 6990 7592 7620 8255 8388 8541 8760 9087 9144 9271 9320 9360 9490 9906 10160 10485 10512 11184 11388 11430 12116 13140 13208 13980 14235 14859 15145 15184 15240 16510 16776 17009 17082 17520 18174 18288 18542 18640 18980 19812 20970 22776 22860 24232 24765 26280 26416 27261 27813 27960 28470 29591 29718 30290 30480 33020 33552 34018 34164 36348 37084 37960 39624 41940 42705 45435 45552 45720 46355 48464 49530 51027 52560 54522 55626 55920 56940 59182 59436 60580 66040 68036 68328 72696 74168 74295 75920 79248 83439 83880 85045 85410 88773 90870 91440 92710 99060 102054 109044 111252 113880 118364 118872 120523 121160 132080 136072 136305 136656 139065 145392 147955 148336 148590 153081 166878 167760 170090 170820 177546 181740 185420 198120 204108 218088 221117 222504 227760 236728 237744 241046 242320 255135 266319 272144 272610 278130 295910 297180 306162 333756 340180 341640 355092 361569 363480 370840 384683 396240 408216 417195 436176 442234 443865 445008 473456 482092 510270 532638 545220 556260 591820 594360 602615 612324 663351 667512 680360 683280 710184 723138 726960 741680 765405 769366 816432 834390 884468 887730 964184 1020540 1065276 1084707 1090440 1105585 1112520 1154049 1183640 1188720 1205230 1224648 1326702 1331595 1335024 1360720 1420368 1446276 1530810 1538732 1668780 1768936 1775460 1807845 1923415 1928368 1990053 2041080 2130552 2160143 2169414 2180880 2211170 2225040 2308098 2367280 2410460 2449296 2653404 2663190 2892552 3061620 3077464 3316755 3337560 3462147 3537872 3550920 3615690 3846830 3980106 4082160 4261104 4320286 4338828 4422340 4616196 4820920 5306808 5326380 5423535 5770245 5785104 6123240 6154928 6480429 6633510 6675120 6924294 7101840 7231380 7693660 7960212 8640572 8677656 8844680 9232392 9641840 9950265 10613616 10652760 10800715 10847070 11540490 12246480 12960858 13267020 13848588 14462760 15387320 15920424 17281144 17310735 17355312 17689360 18464784 19441287 19900530 21305520 21601430 21694140 23080980 25921716 26534040 27697176 28081859 28925520 30774640 31840848 32402145 34562288 34621470 38882574 39801060 43202860 43388280 46161960 51843432 53068080 55394352 56163718 64804290 69242940 77765148 79602120 84245577 86405720 86776560 92323920 97206435 103686864 112327436 129608580 138485880 140409295 155530296 159204240 168491154 172811440 194412870 224654872 252736731 259217160 276971760 280818590 311060592 336982308 388825740 421227885 449309744 505473462 518434320 561637180 673964616 777651480 842455770 1010946924 1123274360 1263683655 1347929232 1555302960 1684911540 2021893848 2246548720 2527367310 3369823080 4043787696 5054734620 6739646160 10109469240 20218938480
• Sum of all divisors σ(n): 75031197696
• Sum of proper divisors (its aliquot sum) s(n): 54812259216
• 20218938480 is an abundant number, because the sum of its proper divisors (54812259216) is greater than itself. Its abundance is 34593320736

Bases of 20218938480

• Binary: 10010110101001001001000010001110000₂
• Hexadecimal: 0x4B5248470
• Base-36: 9ADU0S0

Squares and roots of 20218938480

• 20218938480 squared (20218938480²) is 408805473258024710400
• 20218938480 cubed (20218938480³) is 8265612714091286785897416192000
• The square root of 20218938480 is 142193.3137668575
• The cube root of 20218938480 is 2724.2865334121

Scales and comparisons

• 20,218,938,480 seconds is equal to 642 years, 46 weeks, 5 days, 11 hours, 48 minutes.
• To count from 1 to 20,218,938,480 would take you about one thousand, two hundred eighty-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 20218938480 cubic inches would be around 227 feet tall.

Recreational maths with 20218938480

• 20218938480 backwards is 08483981202
• 20218938480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20218938480's digits is 45
• More coming soon!