1309970640

Names of 1309970640

• Cardinal: 1309970640 can be written as One billion, three hundred nine million, nine hundred seventy thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.30997064 × 10⁹

Factors of 1309970640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2123

Divisors of 1309970640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 271 330 440 528 542 660 813 880 1084 1320 1355 1626 1831 2168 2640 2710 2981 3252 3662 4065 4336 5420 5493 5962 6504 7324 8130 8943 9155 10840 10986 11924 13008 14648 14905 16260 17886 18310 20141 21680 21972 23848 27465 29296 29810 32520 35772 36620 40282 43944 44715 47696 54930 59620 60423 65040 71544 73240 80564 87888 89430 100705 109860 119240 120846 143088 146480 161128 178860 201410 219720 238480 241692 302115 322256 357720 402820 439440 483384 496201 604230 715440 805640 966768 992402 1208460 1488603 1611280 1984804 2416920 2481005 2977206 3969608 4833840 4962010 5458211 5954412 7443015 7939216 9924020 10916422 11908824 14886030 16374633 19848040 21832844 23817648 27291055 29772060 32749266 39696080 43665688 54582110 59544120 65498532 81873165 87331376 109164220 119088240 130997064 163746330 218328440 261994128 327492660 436656880 654985320 1309970640
• Sum of all divisors σ(n): 4448858112
• Sum of proper divisors (its aliquot sum) s(n): 3138887472
• 1309970640 is an abundant number, because the sum of its proper divisors (3138887472) is greater than itself. Its abundance is 1828916832

Bases of 1309970640

• Binary: 1001110000101001001000011010000₂
• Hexadecimal: 0x4E1490D0
• Base-36: LNX7TC

Squares and roots of 1309970640

• 1309970640 squared (1309970640²) is 1716023077662009600
• 1309970640 cubed (1309970640³) is 2247939849299672419398144000
• The square root of 1309970640 is 36193.5165464755
• The cube root of 1309970640 is 1094.1760069393

Scales and comparisons

• 1,309,970,640 seconds is equal to 41 years, 33 weeks, 6 days, 16 hours, 44 minutes.
• To count from 1 to 1,309,970,640 would take you about eighty-three 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 1309970640 cubic inches would be around 91.2 feet tall.

Recreational maths with 1309970640

• 1309970640 backwards is 0460799031
• The number of decimal digits it has is: 10
• The sum of 1309970640's digits is 39
• More coming soon!