6420121008

Names of 6420121008

• Cardinal: 6420121008 can be written as Six billion, four hundred twenty million, one hundred twenty-one thousand and eight.

Scientific notation

• Scientific notation: 6.420121008 × 10⁹

Factors of 6420121008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 22525

Divisors of 6420121008

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 37 42 46 48 56 69 74 84 92 111 112 138 148 161 168 184 222 259 276 296 322 336 368 444 483 518 552 592 644 777 851 888 966 1036 1104 1288 1554 1702 1776 1932 2072 2553 2576 3108 3404 3864 4144 5106 5957 6216 6808 7728 10212 11914 12432 13616 17871 20424 22453 23828 35742 40848 44906 47656 67359 71484 89812 95312 134718 142968 157171 179624 269436 285936 314342 359248 471513 516419 538872 628684 830761 943026 1032838 1077744 1257368 1549257 1661522 1886052 2065676 2492283 2514736 3098514 3323044 3614933 3772104 4131352 4984566 5815327 6197028 6646088 7229866 7544208 8262704 9969132 10844799 11630654 12394056 13292176 14459732 17445981 19107503 19938264 21689598 23261308 24788112 28919464 34891962 38215006 39876528 43379196 46522616 57322509 57838928 69783924 76430012 86758392 93045232 114645018 133752521 139567848 152860024 173516784 229290036 267505042 279135696 305720048 401257563 458580072 535010084 802515126 917160144 1070020168 1605030252 2140040336 3210060504 6420121008
• Sum of all divisors σ(n): 20314223616
• Sum of proper divisors (its aliquot sum) s(n): 13894102608
• 6420121008 is an abundant number, because the sum of its proper divisors (13894102608) is greater than itself. Its abundance is 7473981600

Bases of 6420121008

• Binary: 101111110101010110100010110110000₂
• Hexadecimal: 0x17EAB45B0
• Base-36: 2Y6DH2O

Squares and roots of 6420121008

• 6420121008 squared (6420121008²) is 41217953757362936064
• 6420121008 cubed (6420121008³) is 264624250824418320505047232512
• The square root of 6420121008 is 80125.6576135261
• The cube root of 6420121008 is 1858.5791947617

Scales and comparisons

• 6,420,121,008 seconds is equal to 204 years, 7 weeks, 1 day, 22 hours, 56 minutes, 48 seconds.
• To count from 1 to 6,420,121,008 would take you about four hundred eight 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 6420121008 cubic inches would be around 154.9 feet tall.

Recreational maths with 6420121008

• 6420121008 backwards is 8001210246
• 6420121008 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6420121008's digits is 24
• More coming soon!