72905094990

Names of 72905094990

• Cardinal: 72905094990 can be written as Seventy-two billion, nine hundred five million, ninety-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 7.290509499 × 10¹⁰

Factors of 72905094990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3252

Divisors of 72905094990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 53 63 65 70 78 90 91 105 106 117 126 130 159 182 195 210 234 265 273 315 318 371 390 455 477 530 546 585 630 689 742 795 819 910 954 1113 1170 1365 1378 1590 1638 1855 2067 2226 2385 2730 2809 3169 3339 3445 3710 4095 4134 4770 4823 5565 5618 6201 6338 6678 6890 8190 8427 9507 9646 10335 11130 12402 14045 14469 15845 16695 16854 19014 19663 20670 22183 24115 25281 28090 28521 28938 31005 31690 33390 36517 39326 41197 42135 43407 44366 47535 48230 50562 57042 58989 62010 66549 72345 73034 82394 84270 86814 95070 98315 109551 110915 117978 123591 126405 133098 142605 144690 167957 176967 182585 196630 199647 205985 217035 219102 221830 247182 252810 255619 285210 288379 294945 328653 332745 335914 353934 365170 370773 399294 411970 434070 503871 511238 547755 576758 589890 617955 657306 665490 741546 766857 839785 865137 884835 998235 1007742 1095510 1175699 1235910 1278095 1441895 1511613 1533714 1643265 1679570 1730274 1769670 1853865 1996470 2183441 2300571 2351398 2519355 2556190 2595411 2883790 3023226 3286530 3527097 3707730 3834285 4325685 4366882 4601142 5038710 5190822 5878495 6550323 7054194 7558065 7668570 8651370 8901721 10581291 10917205 11502855 11756990 12977055 13100646 15116130 15284087 17635485 17803442 19650969 21162582 21834410 23005710 25954110 26705163 30568174 32751615 35270970 39301938 44508605 45852261 52906455 53410326 62312047 65503230 76420435 80115489 89017210 91704522 98254845 105812910 115722373 124624094 133525815 137556783 152840870 160230978 186936141 196509690 229261305 231444746 267051630 275113566 311560235 347167119 373872282 400577445 458522610 560808423 578611865 623120470 687783915 694334238 801154890 810056611 934680705 1041501357 1121616846 1157223730 1375567830 1620113222 1735835595 1869361410 2083002714 2430169833 2804042115 3471671190 4050283055 4860339666 5207506785 5608084230 7290509499 8100566110 10415013570 12150849165 14581018998 24301698330 36452547495 72905094990
• Sum of all divisors σ(n): 237856207680
• Sum of proper divisors (its aliquot sum) s(n): 164951112690
• 72905094990 is an abundant number, because the sum of its proper divisors (164951112690) is greater than itself. Its abundance is 92046017700

Bases of 72905094990

• Binary: 1000011111001011110110111011101001110₂
• Hexadecimal: 0x10F97B774E
• Base-36: XHPT7BI

Squares and roots of 72905094990

• 72905094990 squared (72905094990²) is 5315152875500923100100
• 72905094990 cubed (72905094990³) is 387501725274766442445475778499000
• The square root of 72905094990 is 270009.4350018161
• The cube root of 72905094990 is 4177.5272683493

Scales and comparisons

• 72,905,094,990 seconds is equal to 2,318 years, 8 weeks, 23 hours, 16 minutes, 30 seconds.
• To count from 1 to 72,905,094,990 would take you about four thousand, six hundred thirty-six 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 72905094990 cubic inches would be around 348.1 feet tall.

Recreational maths with 72905094990

• 72905094990 backwards is 09949050927
• The number of decimal digits it has is: 11
• The sum of 72905094990's digits is 54
• More coming soon!