21121375080

Names of 21121375080

• Cardinal: 21121375080 can be written as Twenty-one billion, one hundred twenty-one million, three hundred seventy-five thousand and eighty.

Scientific notation

• Scientific notation: 2.112137508 × 10¹⁰

Factors of 21121375080

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 381

Divisors of 21121375080

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 19 20 24 26 30 31 38 39 40 52 57 60 62 65 76 78 93 95 104 114 120 124 127 130 152 155 156 181 186 190 195 228 247 248 254 260 285 310 312 362 372 380 381 390 403 456 465 494 508 520 543 570 589 620 635 724 741 744 760 762 780 806 905 930 988 1016 1086 1140 1178 1209 1235 1240 1270 1448 1482 1524 1560 1612 1651 1767 1810 1860 1905 1976 2015 2172 2280 2353 2356 2413 2418 2470 2540 2715 2945 2964 3048 3224 3302 3439 3534 3620 3705 3720 3810 3937 4030 4344 4706 4712 4826 4836 4940 4953 5080 5430 5611 5890 5928 6045 6604 6878 7059 7068 7239 7240 7410 7620 7657 7874 8060 8255 8835 9412 9652 9672 9880 9906 10317 10860 11222 11765 11780 11811 12065 12090 13208 13756 14118 14136 14478 14820 15240 15314 15748 16120 16510 16833 17195 17670 18824 19304 19685 19812 20634 21720 22444 22971 22987 23530 23560 23622 24130 24180 24765 27512 28055 28236 28956 29640 30628 31369 31496 33020 33666 34390 35295 35340 36195 38285 39370 39624 41268 44707 44888 45942 45974 47060 47244 48260 48360 49530 51181 51585 56110 56472 57912 59055 61256 62738 66040 67332 68780 68961 70590 70680 72390 72943 74803 76570 78740 82536 84165 89414 91884 91948 94107 94120 94488 96520 99060 102362 103170 106609 112220 114855 114935 118110 125476 134121 134664 137560 137922 141180 144780 145886 149606 153140 153543 156845 157480 168330 178828 183768 183896 188214 198120 204724 206340 213218 218829 223535 224409 224440 229710 229870 236220 250952 255905 268242 275844 282360 289560 291772 298831 299212 306280 307086 313690 319827 336660 344805 357656 364715 374015 376428 409448 412680 426436 436753 437658 447070 448818 459420 459740 470535 472440 511810 533045 536484 551688 583544 597662 598424 614172 627380 639654 670605 673320 689610 712597 729430 748030 752856 767715 852872 873506 875316 894140 896493 897636 918840 919480 941070 972439 1023620 1066090 1072968 1094145 1122045 1195324 1228344 1254760 1279308 1310259 1341210 1379220 1385917 1425194 1458860 1494155 1496060 1535430 1599135 1747012 1750632 1788280 1792986 1795272 1882140 1944878 2047240 2132180 2137791 2183765 2188290 2244090 2390648 2558616 2620518 2682420 2758440 2771834 2850388 2917317 2917720 2988310 2992120 3070860 3198270 3494024 3562985 3585972 3764280 3889756 4157751 4264360 4275582 4367530 4376580 4482465 4488180 4862195 5241036 5364840 5543668 5677789 5700776 5834634 5976620 6141720 6396540 6551295 6929585 7125970 7171944 7779512 8315502 8551164 8735060 8753160 8964930 8976360 9263761 9724390 10482072 10688955 11087336 11355578 11669268 11953240 12793080 13102590 13539343 13859170 14251940 14586585 16631004 17033367 17102328 17470120 17929860 18527522 19448780 20788755 21377910 22711156 23338536 26205180 27078686 27718340 27791283 28388945 28503880 29173170 33262008 34066734 35859720 37055044 38897560 40618029 41577510 42755820 45422312 46318805 52410360 54157372 55436680 55582566 56777890 58346340 67696715 68133468 74110088 81236058 83155020 85166835 85511640 92637610 108314744 111165132 113555780 116692680 135393430 136266936 138956415 162472116 166310040 170333670 176011459 185275220 203090145 222330264 227111560 270786860 277912830 324944232 340667340 352022918 370550440 406180290 528034377 541573720 555825660 681334680 704045836 812360580 880057295 1056068754 1111651320 1408091672 1624721160 1760114590 2112137508 2640171885 3520229180 4224275016 5280343770 7040458360 10560687540 21121375080
• Sum of all divisors σ(n): 75143577600
• Sum of proper divisors (its aliquot sum) s(n): 54022202520
• 21121375080 is an abundant number, because the sum of its proper divisors (54022202520) is greater than itself. Its abundance is 32900827440

Bases of 21121375080

• Binary: 10011101010111011101001101101101000₂
• Hexadecimal: 0x4EAEE9B68
• Base-36: 9PB4DBC

Squares and roots of 21121375080

• 21121375080 squared (21121375080²) is 446112485270045006400
• 21121375080 cubed (21121375080³) is 9422509129259595668655400512000
• The square root of 21121375080 is 145331.9478985953
• The cube root of 21121375080 is 2764.2292805055

Scales and comparisons

• 21,121,375,080 seconds is equal to 671 years, 30 weeks, 6 days, 8 hours, 38 minutes.
• To count from 1 to 21,121,375,080 would take you about one thousand, three hundred forty-three 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 21121375080 cubic inches would be around 230.4 feet tall.

Recreational maths with 21121375080

• 21121375080 backwards is 08057312112
• 21121375080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21121375080's digits is 30
• More coming soon!