1640197680

Names of 1640197680

• Cardinal: 1640197680 can be written as One billion, six hundred forty million, one hundred ninety-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.64019768 × 10⁹

Factors of 1640197680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2229

Divisors of 1640197680

• 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 88 110 120 132 165 176 220 240 264 330 331 440 528 660 662 880 993 1320 1324 1655 1877 1986 2640 2648 3310 3641 3754 3972 4965 5296 5631 6620 7282 7508 7944 9385 9930 10923 11262 13240 14564 15016 15888 18205 18770 19860 20647 21846 22524 26480 28155 29128 30032 36410 37540 39720 41294 43692 45048 54615 56310 58256 61941 72820 75080 79440 82588 87384 90096 103235 109230 112620 123882 145640 150160 165176 174768 206470 218460 225240 247764 291280 309705 330352 412940 436920 450480 495528 619410 621287 825880 873840 991056 1238820 1242574 1651760 1863861 2477640 2485148 3106435 3727722 4955280 4970296 6212870 6834157 7455444 9319305 9940592 12425740 13668314 14910888 18638610 20502471 24851480 27336628 29821776 34170785 37277220 41004942 49702960 54673256 68341570 74554440 82009884 102512355 109346512 136683140 149108880 164019768 205024710 273366280 328039536 410049420 546732560 820098840 1640197680
• Sum of all divisors σ(n): 5566572288
• Sum of proper divisors (its aliquot sum) s(n): 3926374608
• 1640197680 is an abundant number, because the sum of its proper divisors (3926374608) is greater than itself. Its abundance is 2286176928

Bases of 1640197680

• Binary: 1100001110000110110111000110000₂
• Hexadecimal: 0x61C36E30
• Base-36: R4J4MO

Squares and roots of 1640197680

• 1640197680 squared (1640197680²) is 2690248429477382400
• 1640197680 cubed (1640197680³) is 4412539232652446224952832000
• The square root of 1640197680 is 40499.3540689231
• The cube root of 1640197680 is 1179.3210879657

Scales and comparisons

• 1,640,197,680 seconds is equal to 52 years, 7 weeks, 6 days, 18 hours, 28 minutes.
• To count from 1 to 1,640,197,680 would take you about one hundred four 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 1640197680 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640197680

• 1640197680 backwards is 0867910461
• The number of decimal digits it has is: 10
• The sum of 1640197680's digits is 42
• More coming soon!