21089588520

Names of 21089588520

• Cardinal: 21089588520 can be written as Twenty-one billion, eighty-nine million, five hundred eighty-eight thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.108958852 × 10¹⁰

Factors of 21089588520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1492

Divisors of 21089588520

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 42 44 52 55 56 60 65 66 70 77 78 84 88 91 104 105 110 120 121 130 132 140 143 154 156 165 168 182 195 210 220 231 242 260 264 273 280 286 308 312 330 363 364 385 390 420 429 440 455 462 484 520 546 572 605 616 660 715 726 728 770 780 840 847 858 910 924 968 1001 1092 1144 1155 1210 1320 1331 1365 1430 1451 1452 1540 1560 1573 1694 1716 1815 1820 1848 2002 2145 2184 2310 2420 2541 2662 2730 2860 2902 2904 3003 3080 3146 3388 3432 3630 3640 3993 4004 4235 4290 4353 4620 4719 4840 5005 5082 5324 5460 5720 5804 6006 6292 6655 6776 7255 7260 7865 7986 8008 8470 8580 8706 9240 9317 9438 10010 10157 10164 10648 10920 11011 11608 12012 12584 12705 13310 14510 14520 15015 15730 15961 15972 16940 17160 17303 17412 18634 18863 18876 19965 20020 20314 20328 21765 22022 23595 24024 25410 26620 27951 29020 30030 30471 31460 31922 31944 33033 33880 34606 34824 37268 37726 37752 39930 40040 40628 43530 44044 46585 47190 47883 50785 50820 51909 53240 55055 55902 56589 58040 60060 60942 62920 63844 66066 69212 74536 75452 79805 79860 81256 86515 87060 88088 93170 94315 94380 95766 101570 101640 103818 110110 111727 111804 113178 120120 121121 121884 127688 132041 132132 138424 139755 150904 152355 159610 159720 165165 173030 174120 175571 186340 188630 188760 191532 203140 207493 207636 220220 223454 223608 226356 239415 242242 243768 259545 264082 264264 279510 282945 304710 319220 330330 335181 346060 351142 363363 372680 377260 383064 396123 406280 414986 415272 440440 446908 452712 478830 484484 519090 526713 528164 558635 559020 565890 605605 609420 622479 638440 660205 660660 670362 692120 702284 726726 754520 792246 829972 877855 893816 957660 968968 1037465 1038180 1053426 1056328 1117270 1118040 1131780 1211210 1218840 1228997 1244958 1320410 1321320 1340724 1404568 1452451 1453452 1584492 1659944 1675905 1755710 1816815 1915320 1931281 1980615 2074930 2076360 2106852 2234540 2263560 2282423 2422420 2457994 2489916 2633565 2640820 2681448 2904902 2906904 3112395 3168984 3351810 3511420 3633630 3686991 3862562 3961230 4149860 4213704 4357353 4469080 4564846 4844840 4915988 4979832 5267130 5281640 5793843 5809804 6144985 6224790 6703620 6847269 7022840 7262255 7267260 7373982 7725124 7922460 8299720 8714706 9129692 9656405 9831976 10534260 11412115 11587686 11619608 12289970 12449580 13407240 13518967 13694538 14524510 14534520 14747964 15450248 15844920 15976961 17429412 18259384 18434955 19312810 21068520 21786765 22824230 23175372 24579940 24899160 25106653 27037934 27389076 28969215 29049020 29495928 31953922 34236345 34858824 36869910 38625620 40556901 43573530 45648460 46350744 47930883 49159880 50213306 54075868 54778152 57938430 58098040 63907844 67594835 68472690 73739820 75319959 77251240 79884805 81113802 87147060 91296920 95861766 100426612 108151736 115876860 125533265 127815688 135189670 136945380 147479640 150639918 159769610 162227604 174294120 175746571 191723532 200853224 202784505 231753720 239654415 251066530 270379340 273890760 301279836 319539220 324455208 351493142 376599795 383447064 405569010 479308830 502133060 527239713 540758680 602559672 639078440 702986284 753199590 811138020 878732855 958617660 1004266120 1054479426 1405972568 1506399180 1622276040 1757465710 1917235320 2108958852 2636198565 3012798360 3514931420 4217917704 5272397130 7029862840 10544794260 21089588520
• Sum of all divisors σ(n): 85709352960
• Sum of proper divisors (its aliquot sum) s(n): 64619764440
• 21089588520 is an abundant number, because the sum of its proper divisors (64619764440) is greater than itself. Its abundance is 43530175920

Bases of 21089588520

• Binary: 10011101001000010011001010100101000₂
• Hexadecimal: 0x4E9099528
• Base-36: 9OS72NC

Squares and roots of 21089588520

• 21089588520 squared (21089588520²) is 444770743942915790400
• 21089588520 cubed (21089588520³) is 9380031975490376388546566208000
• The square root of 21089588520 is 145222.5482492303
• The cube root of 21089588520 is 2762.8419110119

Scales and comparisons

• 21,089,588,520 seconds is equal to 670 years, 30 weeks, 2 days, 11 hours, 2 minutes.
• To count from 1 to 21,089,588,520 would take you about one thousand, three hundred forty-one 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 21089588520 cubic inches would be around 230.2 feet tall.

Recreational maths with 21089588520

• 21089588520 backwards is 02588598012
• The number of decimal digits it has is: 11
• The sum of 21089588520's digits is 48
• More coming soon!