21043662080

Names of 21043662080

• Cardinal: 21043662080 can be written as Twenty-one billion, forty-three million, six hundred sixty-two thousand and eighty.

Scientific notation

• Scientific notation: 2.104366208 × 10¹⁰

Factors of 21043662080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 895

Divisors of 21043662080

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 109 112 116 128 140 145 160 203 218 224 232 256 280 290 320 406 436 448 464 545 560 580 640 743 763 812 872 896 928 1015 1090 1120 1160 1280 1486 1526 1624 1744 1792 1856 2030 2180 2240 2320 2972 3052 3161 3248 3488 3712 3715 3815 4060 4360 4480 4640 5201 5944 6104 6322 6496 6976 7424 7430 7630 8120 8720 8960 9280 10402 11888 12208 12644 12992 13952 14860 15260 15805 16240 17440 18560 20804 21547 22127 23776 24416 25288 25984 26005 27904 29720 30520 31610 32480 34880 37120 41608 43094 44254 47552 48832 50576 51968 52010 59440 61040 63220 64960 69760 80987 83216 86188 88508 95104 97664 101152 104020 107735 110635 118880 122080 126440 129920 139520 150829 161974 166432 172376 177016 190208 195328 202304 208040 215470 221270 237760 244160 252880 259840 301658 323948 332864 344752 354032 404608 404935 416080 430940 442540 475520 488320 505760 566909 603316 647896 665728 689504 708064 754145 809216 809870 832160 861880 885080 951040 976640 1011520 1133818 1206632 1295792 1331456 1379008 1416128 1508290 1619740 1664320 1723760 1770160 2023040 2267636 2348623 2413264 2591584 2758016 2832256 2834545 3016580 3239480 3328640 3447520 3540320 4046080 4535272 4697246 4826528 5183168 5516032 5664512 5669090 6033160 6478960 6657280 6895040 7080640 9070544 9394492 9653056 10366336 11338180 11743115 12066320 12957920 13790080 14161280 16440361 18141088 18788984 19306112 20732672 22676360 23486230 24132640 25915840 27580160 28322560 32880722 36282176 37577968 38612224 45352720 46972460 48265280 51831680 65761444 72564352 75155936 82201805 90705440 93944920 96530560 103663360 131522888 145128704 150311872 164403610 181410880 187889840 193061120 263045776 300623744 328807220 362821760 375779680 526091552 601247488 657614440 725643520 751559360 1052183104 1315228880 1503118720 2104366208 2630457760 3006237440 4208732416 5260915520 10521831040 21043662080
• Sum of all divisors σ(n): 60221145600
• Sum of proper divisors (its aliquot sum) s(n): 39177483520
• 21043662080 is an abundant number, because the sum of its proper divisors (39177483520) is greater than itself. Its abundance is 18133821440

Bases of 21043662080

• Binary: 10011100110010011001100110100000000₂
• Hexadecimal: 0x4E64CCD00
• Base-36: 9O0UPKW

Squares and roots of 21043662080

• 21043662080 squared (21043662080²) is 442835713737229926400
• 21043662080 cubed (21043662080³) is 9318885116841880486424870912000
• The square root of 21043662080 is 145064.3377264033
• The cube root of 21043662080 is 2760.8349220871

Scales and comparisons

• 21,043,662,080 seconds is equal to 669 years, 6 weeks, 2 days, 21 hours, 41 minutes, 20 seconds.
• To count from 1 to 21,043,662,080 would take you about one thousand, three hundred thirty-eight 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 21043662080 cubic inches would be around 230.1 feet tall.

Recreational maths with 21043662080

• 21043662080 backwards is 08026634012
• 21043662080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21043662080's digits is 32
• More coming soon!