21036983040

Names of 21036983040

• Cardinal: 21036983040 can be written as Twenty-one billion, thirty-six million, nine hundred eighty-three thousand and forty.

Scientific notation

• Scientific notation: 2.103698304 × 10¹⁰

Factors of 21036983040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 954

Divisors of 21036983040

• Number of divisors d(n): 360
• 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 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 331 360 384 405 432 480 540 576 613 640 648 662 720 768 810 864 960 993 1080 1152 1226 1280 1296 1324 1440 1620 1655 1728 1839 1920 1986 2160 2304 2452 2592 2648 2880 2979 3065 3240 3310 3456 3678 3840 3972 4320 4904 4965 5184 5296 5517 5760 5958 6130 6480 6620 6912 7356 7944 8640 8937 9195 9808 9930 10368 10592 11034 11520 11916 12260 12960 13240 14712 14895 15888 16551 17280 17874 18390 19616 19860 20736 21184 22068 23832 24520 25920 26480 26811 27585 29424 29790 31776 33102 34560 35748 36780 39232 39720 42368 44136 44685 47664 49040 49653 51840 52960 53622 55170 58848 59580 63552 66204 71496 73560 78464 79440 82755 84736 88272 89370 95328 98080 99306 103680 105920 107244 110340 117696 119160 127104 132408 134055 142992 147120 156928 158880 165510 176544 178740 190656 196160 198612 202903 211840 214488 220680 235392 238320 248265 254208 264816 268110 285984 294240 317760 331020 353088 357480 381312 392320 397224 405806 423680 428976 441360 470784 476640 496530 529632 536220 571968 588480 608709 635520 662040 706176 714960 762624 784640 794448 811612 857952 882720 953280 993060 1014515 1059264 1072440 1143936 1176960 1217418 1271040 1324080 1412352 1429920 1588896 1623224 1715904 1765440 1826127 1906560 1986120 2029030 2118528 2144880 2287872 2353920 2434836 2648160 2859840 3043545 3177792 3246448 3431808 3530880 3652254 3813120 3972240 4058060 4237056 4289760 4869672 5296320 5478381 5719680 6087090 6355584 6492896 6863616 7061760 7304508 7944480 8116120 8579520 9130635 9739344 10592640 10956762 11439360 12174180 12711168 12985792 14609016 15888960 16232240 16435143 17159040 18261270 19478688 21185280 21913524 24348360 25971584 27391905 29218032 31777920 32464480 32870286 34318080 36522540 38957376 43827048 48696720 51943168 54783810 58436064 63555840 64928960 65740572 73045080 77914752 82175715 87654096 97393440 109567620 116872128 129857920 131481144 146090160 155829504 164351430 175308192 194786880 219135240 233744256 259715840 262962288 292180320 328702860 350616384 389573760 438270480 467488512 525924576 584360640 657405720 701232768 779147520 876540960 1051849152 1168721280 1314811440 1402465536 1753081920 2103698304 2337442560 2629622880 3506163840 4207396608 5259245760 7012327680 10518491520 21036983040
• Sum of all divisors σ(n): 75624754128
• Sum of proper divisors (its aliquot sum) s(n): 54587771088
• 21036983040 is an abundant number, because the sum of its proper divisors (54587771088) is greater than itself. Its abundance is 33550788048

Bases of 21036983040

• Binary: 10011100101111001101110001100000000₂
• Hexadecimal: 0x4E5E6E300
• Base-36: 9NWVK00

Squares and roots of 21036983040

• 21036983040 squared (21036983040²) is 442554655425247641600
• 21036983040 cubed (21036983040³) is 9310014780453978624139198464000
• The square root of 21036983040 is 145041.3149416399
• The cube root of 21036983040 is 2760.5428043937

Scales and comparisons

• 21,036,983,040 seconds is equal to 668 years, 47 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 21,036,983,040 would take you about one thousand, three hundred thirty-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 21036983040 cubic inches would be around 230 feet tall.

Recreational maths with 21036983040

• 21036983040 backwards is 04038963012
• 21036983040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21036983040's digits is 36
• More coming soon!