21250087040

Names of 21250087040

• Cardinal: 21250087040 can be written as Twenty-one billion, two hundred fifty million, eighty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.125008704 × 10¹⁰

Factors of 21250087040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 171

Divisors of 21250087040

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 26 28 32 34 35 40 52 56 64 65 68 70 80 85 91 104 112 119 127 128 130 136 140 160 169 170 182 208 221 224 238 254 260 272 280 320 338 340 364 416 442 448 455 476 508 520 544 560 595 635 640 676 680 728 832 845 884 889 896 910 952 1016 1040 1088 1105 1120 1183 1190 1270 1352 1360 1456 1547 1651 1664 1690 1768 1778 1820 1904 2032 2080 2159 2176 2197 2210 2240 2366 2380 2540 2704 2720 2873 2912 3094 3302 3380 3536 3556 3640 3808 4064 4160 4318 4394 4420 4445 4480 4732 4760 5080 5408 5440 5746 5824 5915 6188 6604 6760 7072 7112 7280 7616 7735 8128 8255 8320 8636 8788 8840 8890 9464 9520 10160 10795 10816 10880 10985 11492 11557 11648 11830 12376 13208 13520 14144 14224 14365 14560 15113 15232 15379 15470 16256 16510 17272 17576 17680 17780 18928 19040 20111 20320 21463 21590 21632 21970 22984 23114 23660 24752 26416 27040 28067 28288 28448 28730 29120 30226 30758 30940 33020 34544 35152 35360 35560 37349 37856 38080 40222 40640 42926 43180 43940 45968 46228 47320 49504 52832 54080 56134 56896 57460 57785 58240 60452 61516 61880 66040 69088 70304 70720 71120 74698 75565 75712 76160 76895 80444 81280 85852 86360 87880 91936 92456 94640 99008 100555 105664 107315 108160 112268 113792 114920 115570 120904 123032 123760 132080 138176 140335 140608 141440 142240 149396 150241 151130 151424 153790 160888 171704 172720 175760 183872 184912 186745 189280 196469 198016 201110 211328 214630 224536 229840 231140 241808 246064 247520 261443 264160 276352 279019 280670 281216 284480 298792 300482 302260 307580 321776 343408 345440 351520 364871 367744 369824 373490 378560 392938 402220 429260 449072 459680 462280 483616 492128 495040 522886 528320 558038 561340 568960 597584 600964 604520 615160 643552 686816 690880 703040 729742 739648 746980 751205 757120 785876 804440 858520 898144 919360 924560 967232 982345 984256 990080 1045772 1056640 1116076 1122680 1195168 1201928 1209040 1230320 1287104 1307215 1373632 1381760 1395095 1406080 1459484 1479296 1493960 1502410 1571752 1608880 1717040 1796288 1824355 1838720 1849120 1934464 1953133 1964690 1968512 2091544 2232152 2245360 2390336 2403856 2418080 2460640 2554097 2574208 2614430 2747264 2790190 2918968 2987920 3004820 3143504 3217760 3434080 3592576 3648710 3698240 3906266 3929380 4183088 4464304 4490720 4743323 4780672 4807712 4836160 4921280 5108194 5228860 5580380 5837936 5975840 6009640 6287008 6435520 6868160 7297420 7396480 7812532 7858760 8366176 8928608 8981440 9486646 9615424 9672320 9765665 9842560 10216388 10457720 11160760 11675872 11951680 12019280 12574016 12770485 12871040 13736320 14594840 15625064 15717520 16732352 17857216 17962880 18973292 19230848 19531330 20432776 20915440 22321520 23351744 23716615 23903360 24038560 25148032 25540970 29189680 31250128 31435040 33203261 33464704 35714432 37946584 39062660 40865552 41830880 44643040 46703488 47433230 48077120 51081940 58379360 62500256 62870080 66406522 75893168 78125320 81731104 83661760 89286080 94866460 96154240 102163880 116758720 125000512 125740160 132813044 151786336 156250640 163462208 166016305 167323520 178572160 189732920 204327760 233517440 250001024 265626088 303572672 312501280 326924416 332032610 379465840 408655520 531252176 607145344 625002560 664065220 758931680 817311040 1062504352 1250005120 1328130440 1517863360 1634622080 2125008704 2656260880 3035726720 4250017408 5312521760 10625043520 21250087040
• Sum of all divisors σ(n): 67118284800
• Sum of proper divisors (its aliquot sum) s(n): 45868197760
• 21250087040 is an abundant number, because the sum of its proper divisors (45868197760) is greater than itself. Its abundance is 24618110720

Bases of 21250087040

• Binary: 10011110010100110101001100010000000₂
• Hexadecimal: 0x4F29A9880
• Base-36: 9RFR43K

Squares and roots of 21250087040

• 21250087040 squared (21250087040²) is 451566199207575961600
• 21250087040 cubed (21250087040³) is 9595821037482968211411697664000
• The square root of 21250087040 is 145774.0959155639
• The cube root of 21250087040 is 2769.8329101121

Scales and comparisons

• 21,250,087,040 seconds is equal to 675 years, 35 weeks, 5 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 21,250,087,040 would take you about one thousand, three hundred fifty-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 21250087040 cubic inches would be around 230.8 feet tall.

Recreational maths with 21250087040

• 21250087040 backwards is 04078005212
• The number of decimal digits it has is: 11
• The sum of 21250087040's digits is 29
• More coming soon!