20447507920

Names of 20447507920

• Cardinal: 20447507920 can be written as Twenty billion, four hundred forty-seven million, five hundred seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.044750792 × 10¹⁰

Factors of 20447507920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 222

Divisors of 20447507920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 35 40 43 47 49 56 58 70 80 86 89 94 98 112 116 140 145 172 178 188 196 203 215 232 235 245 280 290 301 329 344 356 376 392 406 430 445 464 470 490 560 580 602 623 658 688 712 752 784 812 860 890 940 980 1015 1160 1204 1246 1247 1316 1363 1421 1424 1505 1624 1645 1720 1780 1880 1960 2021 2030 2107 2303 2320 2408 2492 2494 2581 2632 2726 2842 3010 3115 3248 3290 3440 3560 3760 3827 3920 4042 4060 4183 4214 4361 4606 4816 4984 4988 5162 5264 5452 5684 6020 6230 6235 6580 6815 7105 7120 7654 8084 8120 8366 8428 8722 8729 9212 9541 9968 9976 10105 10324 10535 10904 11368 11515 12040 12460 12470 12905 13160 13630 14147 14210 15308 16168 16240 16732 16856 17444 17458 18067 18424 19082 19135 19952 20210 20648 20915 21070 21805 21808 22736 23030 24080 24920 24940 25810 26320 26789 27260 28294 28420 29281 30616 32336 33464 33712 34888 34916 36134 36848 38164 38270 40420 41296 41830 42140 43610 43645 46060 47705 49840 49880 51620 53578 54520 56588 56840 58562 58609 61103 61232 66787 66928 69776 69832 70735 72268 76328 76540 80840 83660 84280 87220 87290 90335 92120 95410 99029 99760 103240 107156 109040 110983 113176 113680 117124 117218 121307 122206 126469 133574 133945 139664 141470 144536 146405 152656 153080 161680 167320 168560 174440 174580 179869 180670 184240 187523 190820 198058 204967 206480 214312 221966 226352 234248 234436 242614 244412 252938 267148 267890 282940 289072 292810 293045 305515 306160 333935 334640 348880 349160 359738 361340 375046 381640 396116 409934 410263 428624 443932 468496 468872 485228 488824 495145 505876 534296 535780 554915 565880 585620 586090 606535 611030 632345 667870 698320 719476 722680 750092 763280 776881 792232 819868 820526 849149 887864 899345 937615 937744 970456 977648 990290 1011752 1024835 1068592 1071560 1109830 1131760 1171240 1172180 1213070 1222060 1259083 1264690 1335740 1438952 1445360 1500184 1553762 1584464 1639736 1641052 1698298 1775728 1798690 1875230 1940912 1980580 2023504 2049670 2051315 2143120 2219660 2342480 2344360 2426140 2444120 2518166 2529380 2671480 2871841 2877904 3000368 3107524 3279472 3282104 3396596 3597380 3750460 3884405 3961160 4099340 4102630 4245745 4439320 4688720 4852280 4888240 5036332 5058760 5216201 5342960 5438167 5743682 5944043 6215048 6295415 6564208 6793192 7194760 7500920 7768810 7922320 8198680 8205260 8491490 8813581 8878640 9704560 10072664 10117520 10432402 10876334 11487364 11888086 12430096 12590830 13586384 14359205 14389520 15001840 15537620 16397360 16410520 16982980 17627162 20145328 20864804 21752668 22974728 23776172 25181660 26081005 27190835 28718410 29720215 31075240 32821040 33965960 35254324 36513407 41729608 43505336 44067905 45949456 47552344 50363320 52162010 54381670 57436820 59440430 62150480 67931920 70508648 73026814 83459216 87010672 88135810 95104688 100726640 104324020 108763340 114873640 118880860 141017296 146053628 176271620 182567035 208648040 217526680 229747280 237761720 255593849 292107256 352543240 365134070 417296080 435053360 475523440 511187698 584214512 705086480 730268140 1022375396 1277969245 1460536280 2044750792 2555938490 2921072560 4089501584 5111876980 10223753960 20447507920
• Sum of all divisors σ(n): 60456844800
• Sum of proper divisors (its aliquot sum) s(n): 40009336880
• 20447507920 is an abundant number, because the sum of its proper divisors (40009336880) is greater than itself. Its abundance is 19561828960

Bases of 20447507920

• Binary: 10011000010110001000011010111010000₂
• Hexadecimal: 0x4C2C435D0
• Base-36: 9E5X234

Squares and roots of 20447507920

• 20447507920 squared (20447507920²) is 418100580138462726400
• 20447507920 cubed (20447507920³) is 8549114923737811294688793088000
• The square root of 20447507920 is 142994.7828418925
• The cube root of 20447507920 is 2734.5138562445

Scales and comparisons

• 20,447,507,920 seconds is equal to 650 years, 8 weeks, 4 days, 23 hours, 18 minutes, 40 seconds.
• To count from 1 to 20,447,507,920 would take you about one thousand, three hundred 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 20447507920 cubic inches would be around 227.9 feet tall.

Recreational maths with 20447507920

• 20447507920 backwards is 02970574402
• 20447507920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20447507920's digits is 40
• More coming soon!