21121400160

Names of 21121400160

• Cardinal: 21121400160 can be written as Twenty-one billion, one hundred twenty-one million, four hundred thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.112140016 × 10¹⁰

Factors of 21121400160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 36797

Divisors of 21121400160

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 27 28 30 32 35 36 38 40 42 45 48 54 56 57 60 63 70 72 76 80 84 90 95 96 105 108 112 114 120 126 133 135 140 144 152 160 168 171 180 189 190 210 216 224 228 240 252 266 270 280 285 288 304 315 336 342 360 378 380 399 420 432 456 480 504 513 532 540 560 570 608 630 665 672 684 720 756 760 798 840 855 864 912 945 1008 1026 1064 1080 1120 1140 1197 1260 1330 1368 1440 1512 1520 1596 1680 1710 1824 1890 1995 2016 2052 2128 2160 2280 2394 2520 2565 2660 2736 3024 3040 3192 3360 3420 3591 3780 3990 4104 4256 4320 4560 4788 5040 5130 5320 5472 5985 6048 6384 6840 7182 7560 7980 8208 9120 9576 10080 10260 10640 11970 12768 13680 14364 15120 15960 16416 17955 19152 20520 21280 23940 27360 28728 30240 31920 35910 36761 38304 41040 47880 57456 63840 71820 73522 82080 95760 110283 114912 143640 147044 183805 191520 220566 257327 287280 294088 330849 367610 441132 514654 551415 574560 588176 661698 698459 735220 771981 882264 992547 1029308 1102830 1176352 1286635 1323396 1396918 1470440 1543962 1654245 1764528 1985094 2058616 2095377 2205660 2315943 2573270 2646792 2793836 2940880 3087924 3308490 3492295 3529056 3859905 3970188 4117232 4190754 4411320 4631886 4889213 4962735 5146540 5293584 5587672 5881760 6175848 6286131 6616980 6947829 6984590 7719810 7940376 8234464 8381508 8822640 9263772 9778426 9925470 10293080 10476885 10587168 11175344 11579715 12351696 12572262 13233960 13895658 13969180 14667639 15439620 15880752 16763016 17645280 18527544 18858393 19556852 19850940 20586160 20953770 22350688 23159430 24446065 24703392 25144524 26467920 27791316 27938360 29335278 30879240 31430655 31761504 33526032 34739145 37055088 37716786 39113704 39701880 41172320 41907540 44002917 46318860 48892130 50289048 52935840 55582632 55876720 58670556 61758480 62861310 67052064 69478290 73338195 74110176 75433572 78227408 79403760 83815080 88005834 92637720 94291965 97784260 100578096 111165264 111753440 117341112 123516960 125722620 132008751 138956580 146676390 150867144 156454816 158807520 167630160 176011668 185275440 188583930 195568520 201156192 220014585 222330528 234682224 251445240 264017502 277913160 293352780 301734288 335260320 352023336 370550880 377167860 391137040 440029170 469364448 502890480 528035004 555826320 586705560 603468576 660043755 704046672 754335720 782274080 880058340 1005780960 1056070008 1111652640 1173411120 1320087510 1408093344 1508671440 1760116680 2112140016 2346822240 2640175020 3017342880 3520233360 4224280032 5280350040 7040466720 10560700080 21121400160
• Sum of all divisors σ(n): 88934630400
• Sum of proper divisors (its aliquot sum) s(n): 67813230240
• 21121400160 is an abundant number, because the sum of its proper divisors (67813230240) is greater than itself. Its abundance is 46691830080

Bases of 21121400160

• Binary: 10011101010111011101111110101100000₂
• Hexadecimal: 0x4EAEEFD60
• Base-36: 9PB4WO0

Squares and roots of 21121400160

• 21121400160 squared (21121400160²) is 446113544718848025600
• 21121400160 cubed (21121400160³) is 9422542694802843842923524096000
• The square root of 21121400160 is 145332.0341837959
• The cube root of 21121400160 is 2764.2303746079

Scales and comparisons

• 21,121,400,160 seconds is equal to 671 years, 30 weeks, 6 days, 15 hours, 36 minutes.
• To count from 1 to 21,121,400,160 would take you about one thousand, three hundred forty-three 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 21121400160 cubic inches would be around 230.4 feet tall.

Recreational maths with 21121400160

• 21121400160 backwards is 06100412112
• 21121400160 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21121400160's digits is 18
• More coming soon!