7220907972

Names of 7220907972

• Cardinal: 7220907972 can be written as Seven billion, two hundred twenty million, nine hundred seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 7.220907972 × 10⁹

Factors of 7220907972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6756

Divisors of 7220907972

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 81 108 114 162 171 179 228 324 342 358 513 537 684 716 1026 1074 1539 1611 2052 2148 3078 3222 3401 4833 6156 6444 6553 6802 9666 10203 13106 13604 14499 19332 19659 20406 26212 28998 30609 39318 40812 57996 58977 61218 78636 91827 117954 122436 124507 176931 183654 235908 249014 275481 353862 367308 373521 498028 530793 550962 707724 747042 1061586 1101924 1120563 1172987 1494084 2123172 2241126 2345974 3361689 3518961 4482252 4691948 6723378 7037922 10085067 10556883 13446756 14075844 20170134 21113766 22286753 31670649 40340268 42227532 44573506 63341298 66860259 89147012 95011947 126682596 133720518 190023894 200580777 267441036 380047788 401161554 601742331 802323108 1203484662 1805226993 2406969324 3610453986 7220907972
• Sum of all divisors σ(n): 19984456800
• Sum of proper divisors (its aliquot sum) s(n): 12763548828
• 7220907972 is an abundant number, because the sum of its proper divisors (12763548828) is greater than itself. Its abundance is 5542640856

Bases of 7220907972

• Binary: 110101110011001100100111111000100₂
• Hexadecimal: 0x1AE664FC4
• Base-36: 3BF5490

Squares and roots of 7220907972

• 7220907972 squared (7220907972²) is 52141511940093152784
• 7220907972 cubed (7220907972³) is 376509059240351833360599594048
• The square root of 7220907972 is 84975.9258378513
• The cube root of 7220907972 is 1932.8460763219

Scales and comparisons

• 7,220,907,972 seconds is equal to 229 years, 31 weeks, 2 days, 7 hours, 46 minutes, 12 seconds.
• To count from 1 to 7,220,907,972 would take you about four hundred fifty-nine 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 7220907972 cubic inches would be around 161.1 feet tall.

Recreational maths with 7220907972

• 7220907972 backwards is 2797090227
• The number of decimal digits it has is: 10
• The sum of 7220907972's digits is 45
• More coming soon!