163438512640

Names of 163438512640

• Cardinal: 163438512640 can be written as One hundred sixty-three billion, four hundred thirty-eight million, five hundred twelve thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6343851264 × 10¹¹

Factors of 163438512640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 571

Divisors of 163438512640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 97 104 128 130 160 194 197 208 256 257 260 320 388 394 416 485 512 514 520 640 776 788 832 970 985 1028 1040 1261 1280 1285 1552 1576 1664 1940 1970 2056 2080 2522 2560 2561 2570 3104 3152 3328 3341 3880 3940 4112 4160 5044 5122 5140 6208 6304 6305 6656 6682 7760 7880 8224 8320 10088 10244 10280 12416 12608 12610 12805 13364 15520 15760 16448 16640 16705 19109 20176 20488 20560 24832 24929 25216 25220 25610 26728 31040 31520 32896 33280 33410 38218 40352 40976 41120 49664 49858 50432 50440 50629 51220 53456 62080 63040 65792 66820 76436 80704 81952 82240 95545 99716 100864 100880 101258 102440 106912 124160 124645 126080 131584 133640 152872 161408 163904 164480 191090 199432 201760 202516 204880 213824 248320 248417 249290 252160 253145 267280 305744 322816 324077 327808 328960 382180 398864 403520 405032 409760 427648 496834 498580 504320 506290 534560 611488 645632 648154 655616 657920 658177 764360 797728 807040 810064 819520 855296 993668 997160 1012580 1069120 1222976 1242085 1296308 1311232 1316354 1528720 1595456 1614080 1620128 1620385 1639040 1710592 1987336 1994320 2025160 2138240 2445952 2484170 2592616 2632708 3057440 3190912 3228160 3240256 3240770 3278080 3290885 3974672 3988640 4050320 4276480 4891904 4911013 4968340 5185232 5265416 6114880 6381824 6480512 6481540 6556160 6581770 7949344 7977280 8100640 8552960 9783808 9822026 9936680 10370464 10530832 12229760 12763648 12961024 12963080 13163540 15898688 15954560 16201280 19644052 19873360 20740928 21061664 24459520 24555065 25922048 25926160 26327080 31797376 31909120 32402560 39288104 39746720 41481856 42123328 48919040 49110130 51852320 52654160 63594752 63818240 63843169 64805120 78576208 79493440 82963712 84246656 98220260 103704640 105308320 127189504 127686338 129610240 157152416 158986880 165927424 168493312 196440520 207409280 210616640 255372676 314304832 317973760 319215845 336986624 392881040 414818560 421233280 510745352 628609664 635947520 638431690 785762080 829637120 842466560 1021490704 1257219328 1276863380 1571524160 1684933120 2042981408 2514438656 2553726760 3143048320 4085962816 5107453520 6286096640 8171925632 10214907040 12572193280 16343851264 20429814080 32687702528 40859628160 81719256320 163438512640
• Sum of all divisors σ(n): 430195528224
• Sum of proper divisors (its aliquot sum) s(n): 266757015584
• 163438512640 is an abundant number, because the sum of its proper divisors (266757015584) is greater than itself. Its abundance is 103318502944

Bases of 163438512640

• Binary: 10011000001101101100011100101000000000₂
• Hexadecimal: 0x260DB1CA00
• Base-36: 232Z2JGG

Squares and roots of 163438512640

• 163438512640 squared (163438512640²) is 26712147413975439769600
• 163438512640 cubed (163438512640³) is 4365793642760568225433328287744000
• The square root of 163438512640 is 404275.2931357543
• The cube root of 163438512640 is 5467.4497528469

Scales and comparisons

• 163,438,512,640 seconds is equal to 5,196 years, 43 weeks, 4 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 163,438,512,640 would take you about ten thousand, three hundred 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 163438512640 cubic inches would be around 455.6 feet tall.

Recreational maths with 163438512640

• 163438512640 backwards is 046215834361
• The number of decimal digits it has is: 12
• The sum of 163438512640's digits is 43
• More coming soon!