21233387520

Names of 21233387520

• Cardinal: 21233387520 can be written as Twenty-one billion, two hundred thirty-three million, three hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.123338752 × 10¹⁰

Factors of 21233387520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1330

Divisors of 21233387520

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 61 64 72 80 90 96 108 120 122 128 135 144 160 180 183 192 216 240 244 256 270 288 305 320 360 366 384 432 480 488 512 540 549 576 610 640 720 732 768 864 915 960 976 1024 1080 1098 1152 1220 1259 1280 1440 1464 1536 1647 1728 1830 1920 1952 2048 2160 2196 2304 2440 2518 2560 2745 2880 2928 3072 3294 3456 3660 3777 3840 3904 4320 4392 4608 4880 5036 5120 5490 5760 5856 6144 6295 6588 6912 7320 7554 7680 7808 8235 8640 8784 9216 9760 10072 10240 10980 11331 11520 11712 12590 13176 13824 14640 15108 15360 15616 16470 17280 17568 18432 18885 19520 20144 21960 22662 23040 23424 25180 26352 27648 29280 30216 30720 31232 32940 33993 34560 35136 37770 39040 40288 43920 45324 46080 46848 50360 52704 55296 56655 58560 60432 62464 65880 67986 69120 70272 75540 76799 78080 80576 87840 90648 92160 93696 100720 105408 113310 117120 120864 124928 131760 135972 138240 140544 151080 153598 156160 161152 169965 175680 181296 187392 201440 210816 226620 230397 234240 241728 263520 271944 276480 281088 302160 307196 312320 322304 339930 351360 362592 374784 383995 402880 421632 453240 460794 468480 483456 527040 543888 562176 604320 614392 624640 644608 679860 691191 702720 725184 767990 805760 843264 906480 921588 936960 966912 1054080 1087776 1124352 1151985 1208640 1228784 1289216 1359720 1382382 1405440 1450368 1535980 1611520 1686528 1812960 1843176 1873920 1933824 2073573 2108160 2175552 2303970 2417280 2457568 2578432 2719440 2764764 2810880 2900736 3071960 3223040 3373056 3455955 3625920 3686352 3867648 4147146 4216320 4351104 4607940 4834560 4915136 5438880 5529528 5621760 5801472 6143920 6446080 6911910 7251840 7372704 7735296 8294292 8432640 8702208 9215880 9669120 9830272 10367865 10877760 11059056 11602944 12287840 12892160 13823820 14503680 14745408 16588584 16865280 17404416 18431760 19338240 19660544 20735730 21755520 22118112 23205888 24575680 27647640 29007360 29490816 33177168 34808832 36863520 38676480 39321088 41471460 43511040 44236224 49151360 55295280 58014720 58981632 66354336 69617664 73727040 78642176 82942920 87022080 88472448 98302720 110590560 116029440 117963264 132708672 147454080 157284352 165885840 174044160 176944896 196605440 221181120 235926528 265417344 294908160 331771680 348088320 353889792 393210880 442362240 471853056 530834688 589816320 663543360 707779584 786421760 884724480 1061669376 1179632640 1327086720 1415559168 1769448960 2123338752 2359265280 2654173440 3538897920 4246677504 5308346880 7077795840 10616693760 21233387520
• Sum of all divisors σ(n): 76776336000
• Sum of proper divisors (its aliquot sum) s(n): 55542948480
• 21233387520 is an abundant number, because the sum of its proper divisors (55542948480) is greater than itself. Its abundance is 34309560960

Bases of 21233387520

• Binary: 10011110001100110111100100000000000₂
• Hexadecimal: 0x4F19BC800
• Base-36: 9R5T6O0

Squares and roots of 21233387520

• 21233387520 squared (21233387520²) is 450856745574491750400
• 21233387520 cubed (21233387520³) is 9573215994789228363286315008000
• The square root of 21233387520 is 145716.8058941727
• The cube root of 21233387520 is 2769.1071561917

Scales and comparisons

• 21,233,387,520 seconds is equal to 675 years, 8 weeks, 19 hours, 12 minutes.
• To count from 1 to 21,233,387,520 would take you about one thousand, three hundred fifty 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 21233387520 cubic inches would be around 230.8 feet tall.

Recreational maths with 21233387520

• 21233387520 backwards is 02578333212
• 21233387520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21233387520's digits is 36
• More coming soon!