19474891520

Names of 19474891520

• Cardinal: 19474891520 can be written as Nineteen billion, four hundred seventy-four million, eight hundred ninety-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.947489152 × 10¹⁰

Factors of 19474891520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3756

Divisors of 19474891520

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 719 896 1120 1280 1438 1792 2240 2876 3023 3595 4480 5033 5752 6046 7190 8960 10066 11504 12092 14380 15115 20132 21161 23008 24184 25165 28760 30230 40264 42322 46016 48368 50330 57520 60460 80528 84644 92032 96736 100660 105805 115040 120920 161056 169288 184064 193472 201320 211610 230080 241840 322112 338576 386944 402640 423220 460160 483680 644224 677152 773888 805280 846440 920320 967360 1288448 1354304 1610560 1692880 1934720 2173537 2708608 3221120 3385760 3869440 4347074 5417216 6442240 6771520 8694148 10867685 13543040 15214759 17388296 21735370 27086080 30429518 34776592 43470740 60859036 69553184 76073795 86941480 121718072 139106368 152147590 173882960 243436144 278212736 304295180 347765920 486872288 556425472 608590360 695531840 973744576 1217180720 1391063680 1947489152 2434361440 2782127360 3894978304 4868722880 9737445760 19474891520
• Sum of all divisors σ(n): 53404323840
• Sum of proper divisors (its aliquot sum) s(n): 33929432320
• 19474891520 is an abundant number, because the sum of its proper divisors (33929432320) is greater than itself. Its abundance is 14454540800

Bases of 19474891520

• Binary: 10010001000110010110100001100000000₂
• Hexadecimal: 0x488CB4300
• Base-36: 8Y2UIGW

Squares and roots of 19474891520

• 19474891520 squared (19474891520²) is 379271399715767910400
• 19474891520 cubed (19474891520³) is 7386269366103138888537079808000
• The square root of 19474891520 is 139552.4686990525
• The cube root of 19474891520 is 2690.4505595403

Scales and comparisons

• 19,474,891,520 seconds is equal to 619 years, 12 weeks, 3 days, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 19,474,891,520 would take you about one thousand, two hundred thirty-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 19474891520 cubic inches would be around 224.2 feet tall.

Recreational maths with 19474891520

• 19474891520 backwards is 02519847491
• The number of decimal digits it has is: 11
• The sum of 19474891520's digits is 50
• More coming soon!