71428315728

Names of 71428315728

• Cardinal: 71428315728 can be written as Seventy-one billion, four hundred twenty-eight million, three hundred fifteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.1428315728 × 10¹⁰

Factors of 71428315728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9899

Divisors of 71428315728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 2689 3696 5378 7187 8067 10756 14374 16134 18823 21512 21561 28748 29579 32268 37646 43024 43122 50309 56469 57496 59158 64536 75292 79057 86244 88737 100618 112938 114992 118316 129072 150584 150927 158114 172488 177474 201236 207053 225876 236632 237171 301168 301854 316228 344976 354948 402472 414106 451752 473264 474342 553399 603708 621159 632456 709896 804944 828212 903504 948684 1106798 1207416 1242318 1264912 1419792 1656424 1660197 1897368 2213596 2414832 2484636 3312848 3320394 3794736 4427192 4969272 6640788 8854384 9938544 13281576 19325843 26563152 38651686 57977529 77303372 115955058 135280901 154606744 212584273 231910116 270561802 309213488 405842703 425168546 463820232 541123604 637752819 811685406 850337092 927640464 1082247208 1275505638 1488089911 1623370812 1700674184 2164494416 2551011276 2976179822 3246741624 3401348368 4464269733 5102022552 5952359644 6493483248 8928539466 10204045104 11904719288 17857078932 23809438576 35714157864 71428315728
• Sum of all divisors σ(n): 230172410880
• Sum of proper divisors (its aliquot sum) s(n): 158744095152
• 71428315728 is an abundant number, because the sum of its proper divisors (158744095152) is greater than itself. Its abundance is 87315779424

Bases of 71428315728

• Binary: 1000010100001011101011001101001010000₂
• Hexadecimal: 0x10A1759A50
• Base-36: WTAKP5C

Squares and roots of 71428315728

• 71428315728 squared (71428315728²) is 5102004287738852169984
• 71428315728 cubed (71428315728³) is 364427573110220492009935076708352
• The square root of 71428315728 is 267260.7635400303
• The cube root of 71428315728 is 4149.1277157925

Scales and comparisons

• 71,428,315,728 seconds is equal to 2,271 years, 10 weeks, 2 days, 14 hours, 48 minutes, 48 seconds.
• To count from 1 to 71,428,315,728 would take you about four thousand, five hundred forty-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 71428315728 cubic inches would be around 345.8 feet tall.

Recreational maths with 71428315728

• 71428315728 backwards is 82751382417
• 71428315728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71428315728's digits is 48
• More coming soon!