21077471800

Names of 21077471800

• Cardinal: 21077471800 can be written as Twenty-one billion, seventy-seven million, four hundred seventy-one thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10774718 × 10¹⁰

Factors of 21077471800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 654

Divisors of 21077471800

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 25 28 35 37 40 44 50 55 56 70 71 74 77 88 100 110 140 142 148 154 175 185 200 220 259 275 280 284 296 308 350 355 370 385 407 440 497 518 521 550 568 616 700 710 740 770 781 814 925 994 1036 1042 1100 1295 1400 1420 1480 1540 1562 1628 1775 1850 1925 1988 2035 2072 2084 2200 2485 2590 2605 2627 2840 2849 3080 3124 3256 3550 3647 3700 3850 3905 3976 4070 4168 4970 5180 5210 5254 5467 5698 5731 6248 6475 7100 7294 7400 7700 7810 8140 9940 10175 10360 10420 10508 10934 11396 11462 12425 12950 13025 13135 14200 14245 14588 15400 15620 16280 18235 18389 19277 19525 19880 20350 20840 21016 21868 22792 22924 24850 25900 26050 26270 27335 28490 28655 28897 29176 31240 36470 36778 36991 38554 39050 40117 40700 43736 45848 49700 51800 52100 52540 54670 56980 57310 57794 65675 71225 72940 73556 73982 77108 78100 80234 81400 91175 91945 96385 99400 104200 105080 109340 113960 114620 115588 131350 134939 136675 142450 143275 144485 145880 147112 147964 154216 156200 160468 182350 183890 184955 192770 200585 202279 212047 218680 229240 231176 258937 262700 269878 273350 284900 286550 288970 295928 320936 364700 367780 369910 385540 401170 404558 406901 424094 459725 481925 517874 525400 539756 546700 569800 573100 577940 674695 722425 729400 735560 739820 771080 802340 809116 813802 848188 919450 924775 963850 1002925 1011395 1035748 1060235 1079512 1093400 1146200 1155880 1294685 1349390 1368667 1444850 1479640 1484329 1604680 1618232 1627604 1696376 1838900 1849550 1927700 2005850 2022790 2034505 2071496 2120470 2589370 2698780 2737334 2848307 2889700 2968658 3255208 3373475 3677800 3699100 3855400 4011700 4045580 4069010 4240940 5056975 5178740 5301175 5397560 5474668 5696614 5779400 5937316 6473425 6746950 6843335 7398200 7421645 8023400 8091160 8138020 8481880 9580669 10113950 10172525 10357480 10602350 10949336 11393228 11874632 12946850 13493900 13686670 14241535 14843290 15055337 16276040 19161338 20227900 20345050 21204700 22786456 25893700 26987800 27373340 28483070 29686580 30110674 34216675 37108225 38322676 40455800 40690100 42409400 47903345 51787400 54746680 56966140 59373160 60221348 68433350 71207675 74216450 75276685 76645352 81380200 95806690 105387359 113932280 120442696 136866700 142415350 148432900 150553370 191613380 210774718 239516725 273733400 284830700 296865800 301106740 376383425 383226760 421549436 479033450 526936795 569661400 602213480 752766850 843098872 958066900 1053873590 1505533700 1916133800 2107747180 2634683975 3011067400 4215494360 5269367950 10538735900 21077471800
• Sum of all divisors σ(n): 63754490880
• Sum of proper divisors (its aliquot sum) s(n): 42677019080
• 21077471800 is an abundant number, because the sum of its proper divisors (42677019080) is greater than itself. Its abundance is 21599547280

Bases of 21077471800

• Binary: 10011101000010100001011001000111000₂
• Hexadecimal: 0x4E850B238
• Base-36: 9OKZDBS

Squares and roots of 21077471800

• 21077471800 squared (21077471800²) is 444259817479795240000
• 21077471800 cubed (21077471800³) is 9363873774803531240874232000000
• The square root of 21077471800 is 145180.8244913907
• The cube root of 21077471800 is 2762.3126926093

Scales and comparisons

• 21,077,471,800 seconds is equal to 670 years, 10 weeks, 2 days, 5 hours, 16 minutes, 40 seconds.
• To count from 1 to 21,077,471,800 would take you about one thousand, three hundred forty 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 21077471800 cubic inches would be around 230.2 feet tall.

Recreational maths with 21077471800

• 21077471800 backwards is 00817477012
• 21077471800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21077471800's digits is 37
• More coming soon!