20497979520

Names of 20497979520

• Cardinal: 20497979520 can be written as Twenty billion, four hundred ninety-seven million, nine hundred seventy-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.049797952 × 10¹⁰

Factors of 20497979520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 153

Divisors of 20497979520

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 41 45 48 58 60 64 72 73 80 82 87 90 96 116 120 123 128 144 145 146 160 164 174 180 192 205 219 232 240 246 261 288 290 292 320 328 348 360 365 369 384 410 435 438 464 480 492 522 576 580 584 615 640 656 657 696 720 730 738 820 870 876 928 960 984 1044 1095 1152 1160 1168 1189 1230 1305 1312 1314 1392 1440 1460 1476 1640 1681 1740 1752 1845 1856 1920 1968 2088 2117 2190 2320 2336 2378 2460 2610 2624 2628 2784 2880 2920 2952 2993 3280 3285 3362 3480 3504 3567 3690 3712 3936 4176 4234 4380 4640 4672 4756 4920 5043 5220 5248 5256 5568 5760 5840 5904 5945 5986 6351 6560 6570 6724 6960 7008 7134 7380 7872 8352 8405 8468 8760 8979 9280 9344 9512 9840 10086 10440 10512 10585 10701 11136 11680 11808 11890 11972 12702 13120 13140 13448 13920 14016 14268 14760 14965 15129 15744 16704 16810 16936 17520 17835 17958 18560 19024 19053 19680 20172 20880 21024 21170 21402 23360 23616 23780 23944 25215 25404 26240 26280 26896 26937 27840 28032 28536 29520 29930 30258 31755 33408 33620 33872 35040 35670 35916 38048 38106 39360 40344 41760 42048 42340 42804 44895 46720 47232 47560 47888 48749 50430 50808 52560 53505 53792 53874 55680 57072 59040 59860 60516 63510 67240 67744 70080 71340 71832 75645 76096 76212 78720 80688 83520 84096 84680 85608 86797 89790 95120 95265 95776 97498 100860 101616 105120 107010 107584 107748 114144 118080 119720 121032 122713 127020 134480 134685 135488 140160 142680 143664 146247 151290 152192 152424 161376 167040 169360 171216 173594 179580 190240 190530 191552 194996 201720 203232 210240 214020 215168 215496 228288 236160 239440 242064 243745 245426 254040 260391 268960 269370 270976 285360 287328 292494 302580 304848 322752 338720 342432 347188 359160 368139 380480 381060 383104 389992 403440 406464 420480 428040 430992 433985 438741 456576 478880 484128 487490 490852 508080 520782 537920 538740 570720 574656 584988 605160 609696 613565 645504 677440 684864 694376 718320 731235 736278 760960 762120 779984 781173 806880 812928 856080 861984 867970 877482 957760 968256 974980 981704 1016160 1041564 1075840 1077480 1104417 1141440 1149312 1169976 1210320 1219392 1227130 1301955 1354880 1369728 1388752 1436640 1462470 1472556 1524240 1559968 1562346 1613760 1712160 1723968 1735940 1754964 1840695 1915520 1936512 1949960 1963408 2032320 2083128 2154960 2193705 2208834 2282880 2339952 2420640 2438784 2454260 2603910 2777504 2873280 2924940 2945112 3048480 3119936 3124692 3227520 3424320 3447936 3471880 3509928 3558677 3681390 3899920 3905865 3926816 4064640 4166256 4309920 4387410 4417668 4679904 4841280 4908520 5207820 5522085 5555008 5746560 5849880 5890224 6096960 6239872 6249384 6848640 6943760 7019856 7117354 7362780 7799840 7811730 7853632 8332512 8619840 8774820 8835336 9359808 9682560 9817040 10415640 10676031 11044170 11110016 11699760 11780448 12193920 12498768 13887520 14039712 14234708 14725560 15599680 15623460 15707264 16665024 17239680 17549640 17670672 17793385 18719616 19634080 20831280 21352062 22088340 23399520 23560896 24997536 27775040 28079424 28469416 29451120 31199360 31246920 32028093 33330048 35099280 35341344 35586770 39268160 41662560 42704124 44176680 46799040 47121792 49995072 53380155 55550080 56158848 56938832 58902240 62493840 64056186 70198560 70682688 71173540 78536320 83325120 85408248 88353360 93598080 99990144 106760310 113877664 117804480 124987680 128112372 140397120 141365376 142347080 160140465 166650240 170816496 176706720 213520620 227755328 235608960 249975360 256224744 280794240 284694160 320280930 341632992 353413440 427041240 455510656 499950720 512449488 569388320 640561860 683265984 706826880 854082480 1024898976 1138776640 1281123720 1366531968 1708164960 2049797952 2277553280 2562247440 3416329920 4099595904 5124494880 6832659840 10248989760 20497979520
• Sum of all divisors σ(n): 76080443400
• Sum of proper divisors (its aliquot sum) s(n): 55582463880
• 20497979520 is an abundant number, because the sum of its proper divisors (55582463880) is greater than itself. Its abundance is 35084484360

Bases of 20497979520

• Binary: 10011000101110001100101100010000000₂
• Hexadecimal: 0x4C5C65880
• Base-36: 9EZYU80

Squares and roots of 20497979520

• 20497979520 squared (20497979520²) is 420167164402339430400
• 20497979520 cubed (20497979520³) is 8612577930895626684427665408000
• The square root of 20497979520 is 143171.1546366795
• The cube root of 20497979520 is 2736.7619197393

Scales and comparisons

• 20,497,979,520 seconds is equal to 651 years, 40 weeks, 1 day, 3 hours, 12 minutes.
• To count from 1 to 20,497,979,520 would take you about one thousand, three hundred 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 20497979520 cubic inches would be around 228.1 feet tall.

Recreational maths with 20497979520

• 20497979520 backwards is 02597979402
• The number of decimal digits it has is: 11
• The sum of 20497979520's digits is 54
• More coming soon!