72996081920

Names of 72996081920

• Cardinal: 72996081920 can be written as Seventy-two billion, nine hundred ninety-six million, eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.299608192 × 10¹⁰

Factors of 72996081920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 27562

Divisors of 72996081920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 67 80 124 128 134 155 160 248 256 268 310 320 335 496 536 620 640 670 992 1072 1240 1280 1340 1984 2077 2144 2480 2680 3968 4154 4288 4960 5360 7936 8308 8576 9920 10385 10720 16616 17152 19840 20770 21440 27457 33232 39680 41540 42880 54914 66464 83080 85760 109828 132928 137285 166160 219656 265856 274570 332320 439312 531712 549140 664640 851167 878624 1098280 1329280 1702334 1757248 1839619 2196560 2658560 3404668 3514496 3679238 4255835 4393120 6809336 7028992 7358476 8511670 8786240 9198095 13618672 14716952 17023340 17572480 18396190 27237344 29433904 34046680 35144960 36792380 54474688 57028189 58867808 68093360 73584760 108949376 114056378 117735616 136186720 147169520 217898752 228112756 235471232 272373440 285140945 294339040 456225512 470942464 544746880 570281890 588678080 912451024 1089493760 1140563780 1177356160 1824902048 2281127560 2354712320 3649804096 4562255120 7299608192 9124510240 14599216384 18249020480 36498040960 72996081920
• Sum of all divisors σ(n): 183189232128
• Sum of proper divisors (its aliquot sum) s(n): 110193150208
• 72996081920 is an abundant number, because the sum of its proper divisors (110193150208) is greater than itself. Its abundance is 37197068288

Bases of 72996081920

• Binary: 1000011111110111001111101000100000000₂
• Hexadecimal: 0x10FEE7D100
• Base-36: XJ7ZDA8

Squares and roots of 72996081920

• 72996081920 squared (72996081920²) is 5328427975671350886400
• 72996081920 cubed (72996081920³) is 388954365016925696300719013888000
• The square root of 72996081920 is 270177.8708924919
• The cube root of 72996081920 is 4179.2644234211

Scales and comparisons

• 72,996,081,920 seconds is equal to 2,321 years, 2 weeks, 4 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 72,996,081,920 would take you about four thousand, six 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 72996081920 cubic inches would be around 348.3 feet tall.

Recreational maths with 72996081920

• 72996081920 backwards is 02918069927
• The number of decimal digits it has is: 11
• The sum of 72996081920's digits is 53
• More coming soon!