72043191990

Names of 72043191990

• Cardinal: 72043191990 can be written as Seventy-two billion, forty-three million, one hundred ninety-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 7.204319199 × 10¹⁰

Factors of 72043191990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3465309

Divisors of 72043191990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 90 99 105 110 126 135 154 165 189 198 210 231 270 297 315 330 378 385 462 495 594 630 693 770 945 990 1155 1386 1485 1890 2079 2310 2970 3465 4158 6930 10395 20790 3465281 6930562 10395843 17326405 20791686 24256967 31187529 34652810 38118091 48513934 51979215 62375058 72770901 76236182 93562587 103958430 114354273 121284835 145541802 155937645 187125174 190590455 218312703 228708546 242569670 266826637 311875290 343062819 363854505 381180910 436625406 467812935 533653274 571771365 654938109 686125638 727709010 800479911 935625870 1029188457 1091563515 1143542730 1309876218 1334133185 1600959822 1715314095 2058376914 2183127030 2401439733 2668266370 3274690545 3430628190 4002399555 4802879466 5145942285 6549381090 7204319199 8004799110 10291884570 12007198665 14408638398 24014397330 36021595995 72043191990
• Sum of all divisors σ(n): 239520291840
• Sum of proper divisors (its aliquot sum) s(n): 167477099850
• 72043191990 is an abundant number, because the sum of its proper divisors (167477099850) is greater than itself. Its abundance is 95433907860

Bases of 72043191990

• Binary: 1000011000110000110111101111010110110₂
• Hexadecimal: 0x10C61BDEB6
• Base-36: X3GNMPI

Squares and roots of 72043191990

• 72043191990 squared (72043191990²) is 5190221512108000160100
• 72043191990 cubed (72043191990³) is 373920124867424765149035037599000
• The square root of 72043191990 is 268408.6287547403
• The cube root of 72043191990 is 4160.9993590705

Scales and comparisons

• 72,043,191,990 seconds is equal to 2,290 years, 39 weeks, 5 hours, 46 minutes, 30 seconds.
• To count from 1 to 72,043,191,990 would take you about four thousand, five hundred eighty-one 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 72043191990 cubic inches would be around 346.7 feet tall.

Recreational maths with 72043191990

• 72043191990 backwards is 09919134027
• 72043191990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72043191990's digits is 45
• More coming soon!