21431380880

Names of 21431380880

• Cardinal: 21431380880 can be written as Twenty-one billion, four hundred thirty-one million, three hundred eighty thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.143138088 × 10¹⁰

Factors of 21431380880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 923

Divisors of 21431380880

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 73 80 91 98 104 112 130 140 146 182 196 208 245 260 280 292 343 364 365 392 455 490 511 520 560 584 637 686 728 730 784 823 910 949 980 1022 1040 1168 1274 1372 1456 1460 1646 1715 1820 1898 1960 2044 2548 2555 2744 2920 3185 3292 3430 3577 3640 3796 3920 4088 4115 4459 4745 5096 5110 5488 5761 5840 6370 6584 6643 6860 7154 7280 7592 8176 8230 8918 9490 10192 10220 10699 11522 12740 13168 13286 13720 14308 15184 16460 17836 17885 18980 20440 21398 22295 23044 25039 25480 26572 27440 28616 28805 32920 33215 35672 35770 37960 40327 40880 42796 44590 46088 46501 50078 50960 53144 53495 57232 57610 60079 65840 66430 71344 71540 74893 75920 80654 85592 89180 92176 93002 100156 106288 106990 115220 120158 125195 132860 143080 149786 161308 171184 178360 186004 200312 201635 213980 230440 232505 240316 250390 265720 282289 286160 299572 300395 322616 325507 356720 372008 374465 400624 403270 420553 427960 460880 465010 480632 500780 524251 531440 564578 599144 600790 645232 651014 744016 748930 781027 806540 841106 855920 930020 961264 1001560 1048502 1129156 1198288 1201580 1302028 1411445 1497860 1562054 1613080 1627535 1682212 1860040 2003120 2097004 2102765 2258312 2403160 2604056 2621255 2822890 2943871 2995720 3124108 3226160 3255070 3364424 3669757 3720080 3905135 4194008 4205530 4516624 4806320 5208112 5242510 5467189 5645780 5887742 5991440 6248216 6510140 6728848 7339514 7810270 8388016 8411060 10485020 10934378 11291560 11775484 12496432 13020280 14679028 14719355 15620540 16822120 18348785 20607097 20970040 21868756 22583120 23550968 26040560 27335945 29358056 29438710 31241080 33644240 36697570 38270323 41214194 41940080 43737512 47101936 54671890 58716112 58877420 62482160 73395140 76540646 82428388 87475024 103035485 109343780 117754840 146790280 153081292 164856776 191351615 206070970 218687560 235509680 267892261 293580560 306162584 329713552 382703230 412141940 437375120 535784522 612325168 765406460 824283880 1071569044 1339461305 1530812920 1648567760 2143138088 2678922610 3061625840 4286276176 5357845220 10715690440 21431380880
• Sum of all divisors σ(n): 63512601600
• Sum of proper divisors (its aliquot sum) s(n): 42081220720
• 21431380880 is an abundant number, because the sum of its proper divisors (42081220720) is greater than itself. Its abundance is 20649839840

Bases of 21431380880

• Binary: 10011111101011010001110101110010000₂
• Hexadecimal: 0x4FD68EB90
• Base-36: 9UFOVBK

Squares and roots of 21431380880

• 21431380880 squared (21431380880²) is 459304086423629574400
• 21431380880 cubed (21431380880³) is 9843520815885242440998697472000
• The square root of 21431380880 is 146394.6067312591
• The cube root of 21431380880 is 2777.6875029339

Scales and comparisons

• 21,431,380,880 seconds is equal to 681 years, 23 weeks, 3 days, 9 hours, 21 minutes, 20 seconds.
• To count from 1 to 21,431,380,880 would take you about one thousand, three hundred sixty-two 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 21431380880 cubic inches would be around 231.5 feet tall.

Recreational maths with 21431380880

• 21431380880 backwards is 08808313412
• The number of decimal digits it has is: 11
• The sum of 21431380880's digits is 38
• More coming soon!