21007641600

Names of 21007641600

• Cardinal: 21007641600 can be written as Twenty-one billion, seven million, six hundred forty-one thousand, six hundred.

Scientific notation

• Scientific notation: 2.10076416 × 10¹⁰

Factors of 21007641600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 328

Divisors of 21007641600

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 27 30 32 33 36 40 44 45 48 50 54 55 60 64 66 72 75 80 81 88 90 96 99 100 108 110 120 128 132 135 144 150 160 162 165 176 180 192 198 200 216 220 225 240 243 256 264 270 275 288 297 300 307 320 324 330 352 360 384 396 400 405 432 440 450 480 486 495 512 528 540 550 576 594 600 614 640 648 660 675 704 720 768 792 800 810 825 864 880 891 900 921 960 972 990 1024 1056 1080 1100 1152 1188 1200 1215 1228 1280 1296 1320 1350 1408 1440 1485 1535 1536 1584 1600 1620 1650 1728 1760 1782 1800 1842 1920 1944 1980 2025 2112 2160 2200 2304 2376 2400 2430 2456 2475 2560 2592 2640 2673 2700 2763 2816 2880 2970 3070 3072 3168 3200 3240 3300 3377 3456 3520 3564 3600 3684 3840 3888 3960 4050 4224 4320 4400 4455 4605 4608 4752 4800 4860 4912 4950 5120 5184 5280 5346 5400 5526 5632 5760 5940 6075 6140 6336 6400 6480 6600 6754 6912 7040 7128 7200 7368 7425 7675 7680 7776 7920 8100 8289 8448 8640 8800 8910 9210 9216 9504 9600 9720 9824 9900 10131 10368 10560 10692 10800 11052 11264 11520 11880 12150 12280 12672 12800 12960 13200 13365 13508 13815 13824 14080 14256 14400 14736 14850 15350 15360 15552 15840 16200 16578 16885 16896 17280 17600 17820 18420 19008 19200 19440 19648 19800 20262 20736 21120 21384 21600 22104 22275 23025 23040 23760 24300 24560 24867 25344 25600 25920 26400 26730 27016 27630 27648 28160 28512 28800 29472 29700 30393 30700 31104 31680 32400 33156 33770 33792 34560 35200 35640 36840 38016 38400 38880 39296 39600 40524 41445 41472 42240 42768 43200 44208 44550 46050 46080 47520 48600 49120 49734 50655 50688 51840 52800 53460 54032 55260 56320 57024 57600 58944 59400 60786 61400 62208 63360 64800 66312 66825 67540 69075 69120 70400 71280 73680 74601 76032 76800 77760 78592 79200 81048 82890 82944 84425 84480 85536 86400 88416 89100 91179 92100 95040 97200 98240 99468 101310 101376 103680 105600 106920 108064 110520 114048 115200 117888 118800 121572 122800 124335 124416 126720 129600 132624 133650 135080 138150 138240 140800 142560 147360 149202 151965 152064 155520 157184 158400 162096 165780 168850 168960 171072 172800 176832 178200 182358 184200 190080 194400 196480 198936 202620 207225 207360 211200 213840 216128 221040 228096 230400 235776 237600 243144 245600 248670 248832 253275 253440 259200 265248 267300 270160 273537 276300 281600 285120 294720 298404 303930 304128 311040 314368 316800 324192 331560 337700 342144 345600 353664 356400 364716 368400 373005 380160 388800 392960 397872 405240 414450 414720 422400 427680 432256 442080 455895 456192 471552 475200 486288 491200 497340 506550 506880 518400 530496 534600 540320 547074 552600 570240 589440 596808 607860 621675 622080 633600 648384 663120 675400 684288 691200 707328 712800 729432 736800 746010 759825 760320 777600 785920 795744 810480 820611 828900 844800 855360 864512 884160 911790 912384 943104 950400 972576 982400 994680 1013100 1036800 1060992 1069200 1080640 1094148 1105200 1140480 1178880 1193616 1215720 1243350 1244160 1267200 1296768 1326240 1350800 1367685 1368576 1414656 1425600 1458864 1473600 1492020 1519650 1520640 1555200 1571840 1591488 1620960 1641222 1657800 1710720 1729024 1768320 1823580 1865025 1900800 1945152 1964800 1989360 2026200 2073600 2121984 2138400 2161280 2188296 2210400 2279475 2280960 2357760 2387232 2431440 2486700 2534400 2593536 2652480 2701600 2735370 2737152 2829312 2851200 2917728 2947200 2984040 3039300 3110400 3182976 3241920 3282444 3315600 3421440 3458048 3536640 3647160 3730050 3801600 3890304 3929600 3978720 4052400 4103055 4243968 4276800 4322560 4376592 4420800 4558950 4561920 4715520 4774464 4862880 4973400 5187072 5304960 5403200 5470740 5702400 5835456 5894400 5968080 6078600 6220800 6365952 6483840 6564888 6631200 6838425 6842880 7073280 7294320 7460100 7603200 7780608 7859200 7957440 8104800 8206110 8487936 8553600 8645120 8753184 8841600 9117900 9548928 9725760 9946800 10374144 10609920 10806400 10941480 11404800 11670912 11788800 11936160 12157200 12731904 12967680 13129776 13262400 13676850 13685760 14146560 14588640 14920200 15561216 15914880 16209600 16412220 17107200 17290240 17506368 17683200 18235800 19097856 19451520 19893600 20515275 21219840 21612800 21882960 22809600 23341824 23577600 23872320 24314400 25463808 25935360 26259552 26524800 27353700 29177280 29840400 31122432 31829760 32419200 32824440 34214400 35012736 35366400 36471600 38195712 38903040 39787200 41030550 42439680 43225600 43765920 46683648 47744640 48628800 51870720 52519104 53049600 54707400 58354560 59680800 63659520 64838400 65648880 68428800 70025472 70732800 72943200 76391424 77806080 79574400 82061100 86451200 87531840 93367296 95489280 97257600 105038208 106099200 109414800 116709120 119361600 127319040 129676800 131297760 140050944 145886400 155612160 159148800 164122200 175063680 190978560 194515200 210076416 212198400 218829600 233418240 238723200 259353600 262595520 280101888 291772800 318297600 328244400 350127360 381957120 389030400 420152832 437659200 466836480 477446400 525191040 583545600 636595200 656488800 700254720 778060800 840305664 875318400 954892800 1050382080 1167091200 1312977600 1400509440 1750636800 1909785600 2100764160 2334182400 2625955200 3501273600 4201528320 5251910400 7002547200 10503820800 21007641600
• Sum of all divisors σ(n): 85371494208
• Sum of proper divisors (its aliquot sum) s(n): 64363852608
• 21007641600 is an abundant number, because the sum of its proper divisors (64363852608) is greater than itself. Its abundance is 43356211008

Bases of 21007641600

• Binary: 10011100100001001110010110000000000₂
• Hexadecimal: 0x4E4272C00
• Base-36: 9NFEO00

Squares and roots of 21007641600

• 21007641600 squared (21007641600²) is 441321005594050560000
• 21007641600 cubed (21007641600³) is 9271113516071409256759296000000
• The square root of 21007641600 is 144940.1310886671
• The cube root of 21007641600 is 2759.2587801635

Scales and comparisons

• 21,007,641,600 seconds is equal to 667 years, 50 weeks, 6 days.
• To count from 1 to 21,007,641,600 would take you about one thousand, three hundred thirty-five 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 21007641600 cubic inches would be around 229.9 feet tall.

Recreational maths with 21007641600

• 21007641600 backwards is 00614670012
• 21007641600 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21007641600's digits is 27
• More coming soon!