72215812900

Names of 72215812900

• Cardinal: 72215812900 can be written as Seventy-two billion, two hundred fifteen million, eight hundred twelve thousand, nine hundred.

Scientific notation

• Scientific notation: 7.22158129 × 10¹⁰

Factors of 72215812900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 374

Divisors of 72215812900

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 25 28 35 44 49 50 55 70 77 98 100 110 121 140 154 175 196 220 242 245 275 308 349 350 385 484 490 539 550 605 698 700 770 847 980 1078 1100 1210 1225 1396 1540 1694 1745 1925 2156 2420 2443 2450 2695 3025 3388 3490 3839 3850 4235 4886 4900 5390 5929 6050 6980 7678 7700 8470 8725 9772 10780 11858 12100 12215 13475 15356 16940 17101 17450 19195 21175 23716 24430 26873 26950 29645 34202 34900 38390 42229 42350 48860 53746 53900 59290 61075 68404 76780 84458 84700 85505 95975 107492 118580 121801 122150 134365 148225 168916 171010 188111 191950 211145 243602 244300 268730 295603 296450 342020 376222 383900 422290 427525 487204 537460 591206 592900 609005 671825 752444 844580 852607 855050 940555 1055725 1182412 1218010 1339811 1343650 1478015 1705214 1710100 1881110 2069221 2111450 2436020 2679622 2687300 2956030 3045025 3410428 3762220 4138442 4222900 4263035 4702775 5359244 5912060 5968249 6090050 6699055 7390075 8276884 8526070 9378677 9405550 10346105 11936498 12180100 13398110 14737921 14780150 17052140 18757354 18811100 20692210 21315175 23872996 26796220 29475842 29560300 29841245 33495275 37514708 41384420 42630350 46893385 51730525 58951684 59682490 65650739 66990550 73689605 85260700 93786770 103165447 103461050 119364980 131301478 133981100 147379210 149206225 187573540 206330894 206922100 234466925 262602956 294758420 298412450 328253695 368448025 412661788 468933850 515827235 596824900 656507390 722158129 736896050 937867700 1031654470 1313014780 1444316258 1473792100 1641268475 2063308940 2579136175 2888632516 3282536950 3610790645 5158272350 6565073900 7221581290 10316544700 14443162580 18053953225 36107906450 72215812900
• Sum of all divisors σ(n): 200947800627
• Sum of proper divisors (its aliquot sum) s(n): 128731987727
• 72215812900 is an abundant number, because the sum of its proper divisors (128731987727) is greater than itself. Its abundance is 56516174827

Bases of 72215812900

• Binary: 1000011010000011001011101101100100100₂
• Hexadecimal: 0x10D065DB24
• Base-36: X6BFHUS

Squares and roots of 72215812900

• 72215812900 squared (72215812900²) is 5215123632807806410000
• 72215812900 cubed (72215812900³) is 376614392517216849363980689000000
• 72215812900 is a perfect square number. Its square root is 268730
• The cube root of 72215812900 is 4164.3200641355

Scales and comparisons

• 72,215,812,900 seconds is equal to 2,296 years, 12 weeks, 3 days, 4 hours, 1 minute, 40 seconds.
• To count from 1 to 72,215,812,900 would take you about four thousand, five hundred ninety-two 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 72215812900 cubic inches would be around 347 feet tall.

Recreational maths with 72215812900

• 72215812900 backwards is 00921851227
• The number of decimal digits it has is: 11
• The sum of 72215812900's digits is 37
• More coming soon!