21731127120

Names of 21731127120

• Cardinal: 21731127120 can be written as Twenty-one billion, seven hundred thirty-one million, one hundred twenty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.173112712 × 10¹⁰

Factors of 21731127120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 669

Divisors of 21731127120

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 37 40 45 48 54 60 72 74 80 81 90 108 111 120 135 144 148 162 180 185 216 222 233 240 270 296 324 333 360 370 389 405 432 444 466 540 555 592 648 666 699 720 740 778 810 888 932 999 1080 1110 1165 1167 1296 1332 1398 1480 1556 1620 1665 1776 1864 1945 1998 2097 2160 2220 2330 2334 2664 2796 2960 2997 3112 3240 3330 3495 3501 3728 3890 3996 4194 4440 4660 4668 4995 5328 5592 5835 5994 6224 6291 6480 6660 6990 7002 7780 7992 8388 8621 8880 9320 9336 9990 10485 10503 11184 11670 11988 12582 13320 13980 14004 14393 14985 15560 15984 16776 17242 17505 18640 18672 18873 19980 20970 21006 23340 23976 25164 25863 26640 27960 28008 28786 29970 31120 31455 31509 33552 34484 35010 37746 39960 41940 42012 43105 43179 46680 47952 50328 51726 52515 55920 56016 57572 59940 62910 63018 68968 70020 71965 75492 77589 79920 83880 84024 86210 86358 90637 93360 94365 100656 103452 105030 115144 119880 125820 126036 129315 129537 137936 140040 143930 150984 155178 157545 167760 168048 172420 172716 181274 188730 206904 210060 215895 230288 232767 239760 251640 252072 258630 259074 271911 280080 287860 301968 310356 315090 344840 345432 362548 377460 387945 388611 413808 420120 431790 453185 465534 503280 504144 517260 518148 543822 575720 620712 630180 647685 689680 690864 698301 725096 754920 775890 777222 815733 840240 863580 906370 931068 1034520 1036296 1087644 1151440 1163835 1165833 1241424 1260360 1295370 1359555 1396602 1450192 1509840 1551780 1554444 1631466 1727160 1812740 1862136 1943055 2069040 2072592 2175288 2327670 2331666 2447199 2520720 2590740 2719110 2793204 3103560 3108888 3262932 3353569 3454320 3491505 3625480 3724272 3886110 4078665 4350576 4655340 4663332 4894398 5181480 5438220 5586408 5829165 6207120 6217776 6525864 6707138 6983010 7250960 7341597 7772220 8157330 9310680 9326664 9788796 10060707 10362960 10876440 11172816 11658330 12235995 13051728 13414276 13966020 14683194 15544440 16314660 16767845 18621360 18653328 19577592 20121414 21752880 23316660 24471990 26828552 27932040 29366388 30182121 31088880 32629320 33535690 36707985 39155184 40242828 46633320 48943980 50303535 53657104 55864080 58732776 60364242 65258640 67071380 73415970 80485656 90546363 93266640 97887960 100607070 117465552 120728484 134142760 146831940 150910605 160971312 181092726 195775920 201214140 241456968 268285520 271639089 293663880 301821210 362185452 402428280 452731815 482913936 543278178 587327760 603642420 724370904 804856560 905463630 1086556356 1207284840 1358195445 1448741808 1810927260 2173112712 2414569680 2716390890 3621854520 4346225424 5432781780 7243709040 10865563560 21731127120
• Sum of all divisors σ(n): 78048107280
• Sum of proper divisors (its aliquot sum) s(n): 56316980160
• 21731127120 is an abundant number, because the sum of its proper divisors (56316980160) is greater than itself. Its abundance is 34585853040

Bases of 21731127120

• Binary: 10100001111010001101010111101010000₂
• Hexadecimal: 0x50F46AF50
• Base-36: 9ZE5H00

Squares and roots of 21731127120

• 21731127120 squared (21731127120²) is 472241885905599494400
• 21731127120 cubed (21731127120³) is 10262348454003118932614128128000
• The square root of 21731127120 is 147414.8130955637
• The cube root of 21731127120 is 2790.5774732519

Scales and comparisons

• 21,731,127,120 seconds is equal to 690 years, 51 weeks, 16 hours, 12 minutes.
• To count from 1 to 21,731,127,120 would take you about one thousand, three hundred eighty-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 21731127120 cubic inches would be around 232.5 feet tall.

Recreational maths with 21731127120

• 21731127120 backwards is 02172113712
• 21731127120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21731127120's digits is 27
• More coming soon!