6450747840

Names of 6450747840

• Cardinal: 6450747840 can be written as Six billion, four hundred fifty million, seven hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.45074784 × 10⁹

Factors of 6450747840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 72294

Divisors of 6450747840

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 144 155 160 180 186 192 240 248 279 288 310 320 360 372 465 480 496 558 576 620 720 744 930 960 992 1116 1240 1395 1440 1488 1860 1984 2232 2480 2790 2880 2976 3720 4464 4960 5580 5952 7440 8928 9920 11160 14880 17856 22320 29760 44640 72253 89280 144506 216759 289012 361265 433518 578024 650277 722530 867036 1083795 1156048 1300554 1445060 1734072 2167590 2239843 2312096 2601108 2890120 3251385 3468144 4335180 4479686 4624192 5202216 5780240 6502770 6719529 6936288 8670360 8959372 10404432 11199215 11560480 13005540 13439058 13872576 17340720 17918744 20158587 20808864 22398430 23120960 26011080 26878116 33597645 34681440 35837488 40317174 41617728 44796860 52022160 53756232 67195290 69362880 71674976 80634348 89593720 100792935 104044320 107512464 134390580 143349952 161268696 179187440 201585870 208088640 215024928 268781160 322537392 358374880 403171740 430049856 537562320 645074784 716749760 806343480 1075124640 1290149568 1612686960 2150249280 3225373920 6450747840
• Sum of all divisors σ(n): 22903939968
• Sum of proper divisors (its aliquot sum) s(n): 16453192128
• 6450747840 is an abundant number, because the sum of its proper divisors (16453192128) is greater than itself. Its abundance is 10002444288

Bases of 6450747840

• Binary: 110000000011111101001100111000000₂
• Hexadecimal: 0x1807E99C0
• Base-36: 2YOLWW0

Squares and roots of 6450747840

• 6450747840 squared (6450747840²) is 41612147695264665600
• 6450747840 cubed (6450747840³) is 268429471862989519847522304000
• The square root of 6450747840 is 80316.5477345733
• The cube root of 6450747840 is 1861.5299240273

Scales and comparisons

• 6,450,747,840 seconds is equal to 205 years, 5 weeks, 6 days, 10 hours, 24 minutes.
• To count from 1 to 6,450,747,840 would take you about four hundred ten 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 6450747840 cubic inches would be around 155.1 feet tall.

Recreational maths with 6450747840

• 6450747840 backwards is 0487470546
• 6450747840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6450747840's digits is 45
• More coming soon!