72140816640

Names of 72140816640

• Cardinal: 72140816640 can be written as Seventy-two billion, one hundred forty million, eight hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.214081664 × 10¹⁰

Factors of 72140816640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 264682

Divisors of 72140816640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 71 80 96 120 128 142 160 192 213 240 256 284 320 355 384 426 480 568 640 710 768 852 960 1065 1136 1280 1420 1704 1920 2130 2272 2840 3408 3840 4260 4544 5680 6816 8520 9088 11360 13632 17040 18176 22720 27264 34080 45440 54528 68160 90880 136320 264601 272640 529202 793803 1058404 1323005 1587606 2116808 2646010 3175212 3969015 4233616 5292020 6350424 7938030 8467232 10584040 12700848 15876060 16934464 18786671 21168080 25401696 31752120 33868928 37573342 42336160 50803392 56360013 63504240 67737856 75146684 84672320 93933355 101606784 112720026 127008480 150293368 169344640 187866710 203213568 225440052 254016960 281800065 300586736 338689280 375733420 450880104 508033920 563600130 601173472 751466840 901760208 1016067840 1127200260 1202346944 1502933680 1803520416 2254400520 2404693888 3005867360 3607040832 4508801040 4809387776 6011734720 7214081664 9017602080 12023469440 14428163328 18035204160 24046938880 36070408320 72140816640
• Sum of all divisors σ(n): 233645682816
• Sum of proper divisors (its aliquot sum) s(n): 161504866176
• 72140816640 is an abundant number, because the sum of its proper divisors (161504866176) is greater than itself. Its abundance is 89364049536

Bases of 72140816640

• Binary: 1000011001011111011011000000100000000₂
• Hexadecimal: 0x10CBED8100
• Base-36: X52S2DC

Squares and roots of 72140816640

• 72140816640 squared (72140816640²) is 5204297425486100889600
• 72140816640 cubed (72140816640³) is 375442266312016867145174482944000
• The square root of 72140816640 is 268590.4254436483
• The cube root of 72140816640 is 4162.8780133755

Scales and comparisons

• 72,140,816,640 seconds is equal to 2,293 years, 44 weeks, 3 days, 3 hours, 44 minutes.
• To count from 1 to 72,140,816,640 would take you about four thousand, five hundred eighty-seven 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 72140816640 cubic inches would be around 346.9 feet tall.

Recreational maths with 72140816640

• 72140816640 backwards is 04661804127
• The number of decimal digits it has is: 11
• The sum of 72140816640's digits is 39
• More coming soon!