18328816640

Names of 18328816640

• Cardinal: 18328816640 can be written as Eighteen billion, three hundred twenty-eight million, eight hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.832881664 × 10¹⁰

Factors of 18328816640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 217

Divisors of 18328816640

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 29 32 38 40 58 64 73 76 80 89 95 116 128 145 146 152 160 178 190 232 256 290 292 304 320 356 365 380 445 464 512 551 580 584 608 640 712 730 760 890 928 1024 1102 1160 1168 1216 1280 1387 1424 1460 1520 1691 1780 1856 2117 2204 2320 2336 2432 2560 2581 2755 2774 2848 2920 3040 3382 3560 3712 4234 4408 4640 4672 4864 5120 5162 5510 5548 5696 5840 6080 6497 6764 6935 7120 7424 8455 8468 8816 9280 9344 9728 10324 10585 11020 11096 11392 11680 12160 12905 12994 13528 13870 14240 14848 16910 16936 17632 18560 18688 19456 20648 21170 22040 22192 22784 23360 24320 25810 25988 27056 27740 28480 29696 32485 33820 33872 35264 37120 37376 40223 41296 42340 44080 44384 45568 46720 48640 49039 51620 51976 54112 55480 56960 64970 67640 67744 70528 74240 74752 80446 82592 84680 88160 88768 91136 93440 97280 98078 103240 103952 108224 110960 113920 123443 129940 135280 135488 141056 148480 160892 165184 169360 176320 177536 186880 188413 196156 201115 206480 207904 216448 221920 227840 245195 246886 259880 270560 270976 282112 321784 330368 338720 352640 355072 373760 376826 392312 402230 412960 415808 432896 443840 455680 490390 493772 519760 541120 541952 564224 617215 643568 660736 677440 705280 710144 753652 784624 804460 825920 831616 865792 887680 942065 980780 987544 1039520 1082240 1083904 1234430 1287136 1321472 1354880 1410560 1420288 1507304 1569248 1608920 1651840 1663232 1731584 1775360 1884130 1961560 1975088 2079040 2164480 2167808 2468860 2574272 2642944 2709760 2821120 3014608 3138496 3217840 3303680 3326464 3550720 3579847 3768260 3923120 3950176 4158080 4328960 4937720 5148544 5419520 6029216 6276992 6435680 6607360 6652928 7101440 7159694 7536520 7846240 7900352 8316160 8657920 9875440 10297088 10839040 12058432 12553984 12871360 13214720 14319388 15073040 15692480 15800704 16632320 17899235 19750880 20594176 24116864 25107968 25742720 28638776 30146080 31384960 31601408 33264640 35798470 39501760 41188352 48233728 50215936 51485440 57277552 60292160 62769920 63202816 71596940 79003520 96467456 102970880 114555104 120584320 125539840 126405632 143193880 158007040 192934912 205941760 229110208 241168640 251079680 286387760 316014080 458220416 482337280 572775520 632028160 916440832 964674560 1145551040 1832881664 2291102080 3665763328 4582204160 9164408320 18328816640
• Sum of all divisors σ(n): 49078872000
• Sum of proper divisors (its aliquot sum) s(n): 30750055360
• 18328816640 is an abundant number, because the sum of its proper divisors (30750055360) is greater than itself. Its abundance is 12421238720

Bases of 18328816640

• Binary: 10001000100011110111000110000000000₂
• Hexadecimal: 0x4447B8C00
• Base-36: 8F4I5FK

Squares and roots of 18328816640

• 18328816640 squared (18328816640²) is 335945519422740889600
• 18328816640 cubed (18328816640³) is 6157483826528976411708882944000
• The square root of 18328816640 is 135383.9600543579
• The cube root of 18328816640 is 2636.6034065733

Scales and comparisons

• 18,328,816,640 seconds is equal to 582 years, 41 weeks, 4 days, 1 hour, 57 minutes, 20 seconds.
• To count from 1 to 18,328,816,640 would take you about one thousand, one hundred sixty-five 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 18328816640 cubic inches would be around 219.7 feet tall.

Recreational maths with 18328816640

• 18328816640 backwards is 04661882381
• The number of decimal digits it has is: 11
• The sum of 18328816640's digits is 47
• More coming soon!