16451136720

Names of 16451136720

• Cardinal: 16451136720 can be written as Sixteen billion, four hundred fifty-one million, one hundred thirty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.645113672 × 10¹⁰

Factors of 16451136720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7616277

Divisors of 16451136720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 7616267 15232534 22848801 30465068 38081335 45697602 60930136 68546403 76162670 91395204 114244005 121860272 137092806 152325340 182790408 205639209 228488010 274185612 304650680 342732015 365580816 411278418 456976020 548371224 609301360 685464030 822556836 913952040 1028196045 1096742448 1370928060 1645113672 1827904080 2056392090 2741856120 3290227344 4112784180 5483712240 8225568360 16451136720
• Sum of all divisors σ(n): 56665033920
• Sum of proper divisors (its aliquot sum) s(n): 40213897200
• 16451136720 is an abundant number, because the sum of its proper divisors (40213897200) is greater than itself. Its abundance is 23762760480

Bases of 16451136720

• Binary: 1111010100100100000110110011010000₂
• Hexadecimal: 0x3D4906CD0
• Base-36: 7K2KYC0

Squares and roots of 16451136720

• 16451136720 squared (16451136720²) is 270639899380132358400
• 16451136720 cubed (16451136720³) is 4452333986589600679734440448000
• The square root of 16451136720 is 128261.9847031847
• The cube root of 16451136720 is 2543.3061252879

Scales and comparisons

• 16,451,136,720 seconds is equal to 523 years, 4 weeks, 6 days, 16 hours, 12 minutes.
• To count from 1 to 16,451,136,720 would take you about one thousand and forty-six 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 16451136720 cubic inches would be around 211.9 feet tall.

Recreational maths with 16451136720

• 16451136720 backwards is 02763115461
• 16451136720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16451136720's digits is 36
• More coming soon!