21976801840

Names of 21976801840

• Cardinal: 21976801840 can be written as Twenty-one billion, nine hundred seventy-six million, eight hundred one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.197680184 × 10¹⁰

Factors of 21976801840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1407

Divisors of 21976801840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 61 70 73 80 98 112 122 140 146 196 244 245 280 292 305 365 392 427 488 490 511 560 584 610 730 784 854 976 980 1022 1168 1220 1259 1460 1708 1960 2044 2135 2440 2518 2555 2920 2989 3416 3577 3920 4088 4270 4453 4880 5036 5110 5840 5978 6295 6832 7154 8176 8540 8813 8906 10072 10220 11956 12590 14308 14945 17080 17626 17812 17885 20144 20440 22265 23912 25180 28616 29890 31171 34160 35252 35624 35770 40880 44065 44530 47824 50360 57232 59780 61691 62342 70504 71248 71540 76799 88130 89060 91907 100720 119560 123382 124684 141008 143080 153598 155855 176260 178120 183814 218197 239120 246764 249368 286160 307196 308455 311710 352520 356240 367628 383995 436394 459535 493528 498736 537593 614392 616910 623420 643349 705040 735256 767990 872788 919070 987056 1075186 1090985 1228784 1233820 1246840 1286698 1470512 1535980 1745576 1838140 2150372 2181970 2467640 2493680 2573396 2687965 3071960 3216745 3491152 3676280 3763151 4300744 4363940 4503443 4935280 5146792 5375930 5606327 6143920 6433490 7352560 7526302 8601488 8727880 9006886 10293584 10751860 11212654 12866980 15052604 17455760 18013772 18815755 21503720 22425308 22517215 25733960 28031635 30105208 36027544 37631510 39244289 43007440 44850616 45034430 51467920 56063270 60210416 72055088 75263020 78488578 89701232 90068860 112126540 150526040 156977156 180137720 196221445 224253080 274710023 301052080 313954312 360275440 392442890 448506160 549420046 627908624 784885780 1098840092 1373550115 1569771560 2197680184 2747100230 3139543120 4395360368 5494200460 10988400920 21976801840
• Sum of all divisors σ(n): 61288889760
• Sum of proper divisors (its aliquot sum) s(n): 39312087920
• 21976801840 is an abundant number, because the sum of its proper divisors (39312087920) is greater than itself. Its abundance is 17335286080

Bases of 21976801840

• Binary: 10100011101111010110110001000110000₂
• Hexadecimal: 0x51DEB6230
• Base-36: A3GF4TS

Squares and roots of 21976801840

• 21976801840 squared (21976801840²) is 482979819114627385600
• 21976801840 cubed (21976801840³) is 10614351777401210298768469504000
• The square root of 21976801840 is 148245.7481346433
• The cube root of 21976801840 is 2801.0541031169

Scales and comparisons

• 21,976,801,840 seconds is equal to 698 years, 41 weeks, 2 days, 3 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,976,801,840 would take you about one thousand, three hundred ninety-seven 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 21976801840 cubic inches would be around 233.4 feet tall.

Recreational maths with 21976801840

• 21976801840 backwards is 04810867912
• The number of decimal digits it has is: 11
• The sum of 21976801840's digits is 46
• More coming soon!