64363392990

Names of 64363392990

• Cardinal: 64363392990 can be written as Sixty-four billion, three hundred sixty-three million, three hundred ninety-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.436339299 × 10¹⁰

Factors of 64363392990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 474

Divisors of 64363392990

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 61 65 78 81 90 117 122 127 130 135 162 183 195 234 243 254 263 270 305 351 366 381 390 405 486 526 549 585 610 635 702 762 789 793 810 915 1053 1098 1143 1170 1215 1270 1315 1578 1586 1647 1651 1755 1830 1905 2106 2286 2367 2379 2430 2630 2745 3159 3294 3302 3419 3429 3510 3810 3945 3965 4734 4758 4941 4953 5265 5490 5715 6318 6838 6858 7101 7137 7747 7890 7930 8235 8255 9882 9906 10257 10287 10530 11430 11835 11895 14202 14274 14823 14859 15494 15795 16043 16470 16510 17095 17145 20514 20574 21303 21411 23241 23670 23790 24705 24765 29646 29718 30771 30861 31590 32086 33401 34190 34290 35505 35685 38735 42606 42822 44577 46482 48129 49410 49530 51285 51435 61542 61722 63909 64233 66802 69723 71010 71370 74115 74295 77470 80215 89154 92313 96258 100203 100711 102570 102870 106515 107055 116205 127818 128466 133731 139446 144387 148230 148590 153855 154305 160430 167005 184626 192699 200406 201422 208559 209169 213030 214110 222885 232410 240645 267462 276939 288774 300609 302133 307710 308610 319545 321165 334010 348615 385398 401193 417118 418338 433161 434213 445770 461565 481290 501015 503555 553878 601218 604266 625677 627507 639090 642330 668655 697230 721935 802386 830817 866322 868426 901827 906399 923130 963495 1002030 1007110 1042795 1045845 1251354 1255014 1299483 1302639 1337310 1384695 1443870 1503045 1510665 1661634 1803654 1812798 1877031 1882521 1926990 2005965 2037461 2085590 2091690 2165805 2171065 2598966 2605278 2705481 2719197 2769390 3006090 3021330 3128385 3137535 3754062 3765042 3898449 3907917 4011930 4074922 4154085 4331610 4342130 4509135 4531995 5410962 5438394 5631093 6112383 6256770 6275070 6497415 6513195 7796898 7815834 8116443 8157591 8308170 9018270 9063990 9385155 9412605 10187305 11262186 11723751 12224766 12994830 13026390 13527405 13595985 16232886 16315182 16893279 18337149 18770310 18825210 19492245 19539585 20374610 23447502 24472773 26486993 27054810 27191970 28155465 30561915 33786558 35171253 36674298 38984490 39079170 40582215 40787955 48945546 50679837 52973986 55011447 56310930 58618755 61123830 70342506 79460979 81164430 81575910 84466395 91685745 101359674 105513759 110022894 117237510 122363865 132434965 158921958 165034341 168932790 175856265 183371490 211027518 238382937 244727730 253399185 264869930 275057235 330068682 351712530 397304895 476765874 495103023 506798370 527568795 550114470 715148811 794609790 825171705 990206046 1055137590 1191914685 1430297622 1650343410 2145446433 2383829370 2475515115 3575744055 4290892866 4951030230 6436339299 7151488110 10727232165 12872678598 21454464330 32181696495 64363392990
• Sum of all divisors σ(n): 192179699712
• Sum of proper divisors (its aliquot sum) s(n): 127816306722
• 64363392990 is an abundant number, because the sum of its proper divisors (127816306722) is greater than itself. Its abundance is 63452913732

Bases of 64363392990

• Binary: 111011111100010110110110111111011110₂
• Hexadecimal: 0xEFC5B6FDE
• Base-36: TKGAVVI

Squares and roots of 64363392990

• 64363392990 squared (64363392990²) is 4142646357185181140100
• 64363392990 cubed (64363392990³) is 266634775506101723924592547899000
• The square root of 64363392990 is 253699.4146426041
• The cube root of 64363392990 is 4007.5564034943

Scales and comparisons

• 64,363,392,990 seconds is equal to 2,046 years, 28 weeks, 6 days, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 64,363,392,990 would take you about four thousand and ninety-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 64363392990 cubic inches would be around 334 feet tall.

Recreational maths with 64363392990

• 64363392990 backwards is 09929336346
• 64363392990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64363392990's digits is 54
• More coming soon!