20985210400

Names of 20985210400

• Cardinal: 20985210400 can be written as Twenty billion, nine hundred eighty-five million, two hundred ten thousand, four hundred.

Scientific notation

• Scientific notation: 2.09852104 × 10¹⁰

Factors of 20985210400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1253

Divisors of 20985210400

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 32 35 40 41 44 49 50 55 56 70 77 80 82 88 98 100 110 112 140 154 160 164 175 176 196 200 205 220 224 245 275 280 287 308 328 350 352 385 392 400 410 440 451 490 539 550 560 574 616 656 700 770 784 800 820 880 902 980 1025 1078 1100 1120 1148 1187 1225 1232 1312 1400 1435 1540 1568 1640 1760 1804 1925 1960 2009 2050 2156 2200 2255 2296 2374 2450 2464 2695 2800 2870 3080 3157 3280 3608 3850 3920 4018 4100 4312 4400 4510 4592 4748 4900 5390 5600 5740 5935 6160 6314 6560 7175 7216 7700 7840 8036 8200 8309 8624 8800 9020 9184 9496 9800 10045 10780 11275 11480 11870 12320 12628 13057 13475 14350 14432 15400 15785 16072 16400 16618 17248 18040 18992 19600 20090 21560 22099 22550 22960 23740 25256 26114 26950 28700 29675 30800 31570 32144 32800 33236 36080 37984 39200 40180 41545 43120 44198 45100 45920 47480 48667 50225 50512 52228 53900 57400 58163 59350 61600 63140 64288 65285 66472 72160 78925 80360 83090 86240 88396 90200 91399 94960 97334 100450 101024 104456 107800 110495 114800 116326 118700 126280 130570 132944 157850 160720 166180 176792 180400 182798 189920 194668 200900 207725 208912 215600 220990 229600 232652 237400 243335 252560 261140 265888 290815 315700 321440 326425 332360 340669 353584 360800 365596 389336 401800 415450 417824 431200 441980 456995 465304 474800 486670 505120 522280 535337 552475 581630 631400 639793 652850 664720 681338 707168 731192 778672 803600 830900 883960 913990 930608 949600 973340 1044560 1070674 1104950 1163260 1216675 1262800 1279586 1305700 1329440 1362676 1454075 1462384 1557344 1607200 1661800 1703345 1767920 1827980 1861216 1946680 2089120 2141348 2209900 2284975 2326520 2384683 2433350 2525600 2559172 2611400 2676685 2725352 2908150 2924768 3198965 3323600 3406690 3535840 3655960 3747359 3893360 4282696 4419800 4569950 4653040 4769366 4866700 5118344 5222800 5353370 5450704 5816300 6397930 6647200 6813380 7311920 7494718 7786720 8516725 8565392 8839600 9139900 9306080 9538732 9733400 10236688 10445600 10706740 10901408 11632600 11923415 12795860 13383425 13626760 14623840 14989436 15994825 17033450 17130784 17679200 18279800 18736795 19077464 19466800 20473376 21413480 23265200 23846830 25591720 26231513 26766850 27253520 29978872 31989650 34066900 36559600 37473590 38154928 38933600 42826960 46530400 47693660 51183440 52463026 53533700 54507040 59617075 59957744 63979300 68133800 73119200 74947180 76309856 85653920 93683975 95387320 102366880 104926052 107067400 119234150 119915488 127958600 131157565 136267600 149894360 187367950 190774640 209852104 214134800 238468300 255917200 262315130 272535200 299788720 374735900 381549280 419704208 428269600 476936600 511834400 524630260 599577440 655787825 749471800 839408416 953873200 1049260520 1311575650 1498943600 1907746400 2098521040 2623151300 2997887200 4197042080 5246302600 10492605200 20985210400
• Sum of all divisors σ(n): 66653671392
• Sum of proper divisors (its aliquot sum) s(n): 45668460992
• 20985210400 is an abundant number, because the sum of its proper divisors (45668460992) is greater than itself. Its abundance is 24683250592

Bases of 20985210400

• Binary: 10011100010110100001110011000100000₂
• Hexadecimal: 0x4E2D0E620
• Base-36: 9N21VZ4

Squares and roots of 20985210400

• 20985210400 squared (20985210400²) is 440379055532268160000
• 20985210400 cubed (20985210400³) is 9241447136097931326820864000000
• The square root of 20985210400 is 144862.7295062465
• The cube root of 20985210400 is 2758.2763514991

Scales and comparisons

• 20,985,210,400 seconds is equal to 667 years, 13 weeks, 5 days, 9 hours, 6 minutes, 40 seconds.
• To count from 1 to 20,985,210,400 would take you about one thousand, three hundred thirty-four 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 20985210400 cubic inches would be around 229.9 feet tall.

Recreational maths with 20985210400

• 20985210400 backwards is 00401258902
• The number of decimal digits it has is: 11
• The sum of 20985210400's digits is 31
• More coming soon!