72006481920

Names of 72006481920

• Cardinal: 72006481920 can be written as Seventy-two billion, six million, four hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.200648192 × 10¹⁰

Factors of 72006481920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1541

Divisors of 72006481920

• 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 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1531 1536 1920 2048 2560 3062 3072 3840 4593 5120 6124 6144 7655 7680 9186 10240 12248 15310 15360 18372 22965 24496 30620 30720 36744 45930 48992 61240 73488 91860 97984 122480 146976 183720 195968 244960 293952 367440 391936 489920 587904 734880 783872 979840 1175808 1469760 1567744 1959680 2343961 2351616 2939520 3135488 3919360 4687922 4703232 5879040 7031883 7838720 9375844 9406464 11719805 11758080 14063766 15677440 18751688 23439610 23516160 28127532 35159415 37503376 46879220 47032320 56255064 70318830 75006752 93758440 112510128 140637660 150013504 187516880 225020256 281275320 300027008 375033760 450040512 562550640 600054016 750067520 900081024 1125101280 1200108032 1500135040 1800162048 2250202560 2400216064 3000270080 3600324096 4500405120 4800432128 6000540160 7200648192 9000810240 12001080320 14401296384 18001620480 24002160640 36003240960 72006481920
• Sum of all divisors σ(n): 230515052040
• Sum of proper divisors (its aliquot sum) s(n): 158508570120
• 72006481920 is an abundant number, because the sum of its proper divisors (158508570120) is greater than itself. Its abundance is 86502088200

Bases of 72006481920

• Binary: 1000011000011111010111011100000000000₂
• Hexadecimal: 0x10C3EBB800
• Base-36: X2UST1C

Squares and roots of 72006481920

• 72006481920 squared (72006481920²) is 5184933438495286886400
• 72006481920 cubed (72006481920³) is 373348815895414307190774693888000
• The square root of 72006481920 is 268340.2353729313
• The cube root of 72006481920 is 4160.2924843663

Scales and comparisons

• 72,006,481,920 seconds is equal to 2,289 years, 30 weeks, 2 days, 8 hours, 32 minutes.
• To count from 1 to 72,006,481,920 would take you about four thousand, five hundred seventy-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 72006481920 cubic inches would be around 346.7 feet tall.

Recreational maths with 72006481920

• 72006481920 backwards is 02918460027
• The number of decimal digits it has is: 11
• The sum of 72006481920's digits is 39
• More coming soon!