72913716225

Names of 72913716225

• Cardinal: 72913716225 can be written as Seventy-two billion, nine hundred thirteen million, seven hundred sixteen thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 7.2913716225 × 10¹⁰

Factors of 72913716225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1142

Divisors of 72913716225

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 15 21 23 25 35 45 49 63 69 75 105 115 147 161 175 207 225 245 315 345 421 441 483 525 575 683 735 805 1035 1127 1225 1263 1449 1575 1725 2049 2105 2205 2415 2947 3381 3415 3675 3789 4025 4781 5175 5635 6147 6315 7245 8841 9683 10143 10245 10525 11025 12075 14343 14735 15709 16905 17075 18945 20629 23905 26523 28175 29049 30735 31575 33467 36225 43029 44205 47127 48415 50715 51225 61887 67781 71715 73675 78545 84525 87147 94725 100401 103145 109963 119525 132615 141381 145245 153675 167335 185661 203343 215145 221025 235635 242075 253575 287543 301203 309435 329889 338905 358575 392725 435735 474467 502005 515725 549815 610029 663075 706905 726225 769741 836675 862629 928305 989667 1016715 1075725 1178175 1423401 1437715 1506015 1547175 1649445 1694525 2012801 2178675 2309223 2372335 2510025 2587887 2749075 3050145 3534525 3848705 4270203 4313145 4641525 4948335 5083575 6038403 6613489 6927669 7117005 7188575 7530075 8247225 10064005 11546115 11861675 12939435 14089607 15250725 18115209 19243525 19840467 21351015 21565725 24741675 30192015 33067445 34638345 35585025 42268821 46294423 50320025 57730575 59521401 64697175 70448035 90576045 99202335 106755075 126806463 138883269 150960075 165337225 173191725 211344105 231472115 297607005 324060961 352240175 416649807 452880225 496011675 634032315 694416345 972182883 1056720525 1157360575 1488035025 1620304805 2083249035 2916548649 3170161575 3472081725 4860914415 8101524025 10416245175 14582743245 24304572075 72913716225
• Sum of all divisors σ(n): 159132796992
• Sum of proper divisors (its aliquot sum) s(n): 86219080767
• 72913716225 is an abundant number, because the sum of its proper divisors (86219080767) is greater than itself. Its abundance is 13305364542

Bases of 72913716225

• Binary: 1000011111001111111110000010000000001₂
• Hexadecimal: 0x10F9FF0401
• Base-36: XHUXZI9

Squares and roots of 72913716225

• 72913716225 squared (72913716225²) is 5316410013739828250625
• 72913716225 cubed (72913716225³) is 387639211077574188046309428890625
• The square root of 72913716225 is 270025.3992219991
• The cube root of 72913716225 is 4177.6919300225

Scales and comparisons

• 72,913,716,225 seconds is equal to 2,318 years, 22 weeks, 2 days, 18 hours, 3 minutes, 45 seconds.
• To count from 1 to 72,913,716,225 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 72913716225 cubic inches would be around 348.1 feet tall.

Recreational maths with 72913716225

• 72913716225 backwards is 52261731927
• 72913716225 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72913716225's digits is 45
• More coming soon!