12354478720

Names of 12354478720

• Cardinal: 12354478720 can be written as Twelve billion, three hundred fifty-four million, four hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.235447872 × 10¹⁰

Factors of 12354478720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1798

Divisors of 12354478720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 97 127 128 160 194 254 320 388 485 508 635 640 776 970 1016 1270 1552 1567 1940 2032 2540 3104 3134 3880 4064 5080 6208 6268 7760 7835 8128 10160 12319 12416 12536 15520 15670 16256 20320 24638 25072 31040 31340 40640 49276 50144 61595 62080 62680 81280 98552 100288 123190 125360 151999 197104 199009 200576 246380 250720 303998 394208 398018 492760 501440 607996 759995 788416 796036 985520 995045 1002880 1215992 1519990 1576832 1592072 1971040 1990090 2431984 3039980 3184144 3942080 3980180 4863968 6079960 6368288 7884160 7960360 9727936 12159920 12736576 15920720 19303873 19455872 24319840 25473152 31841440 38607746 48639680 63682880 77215492 96519365 97279360 127365760 154430984 193038730 308861968 386077460 617723936 772154920 1235447872 1544309840 2470895744 3088619680 6177239360 12354478720
• Sum of all divisors σ(n): 30093557760
• Sum of proper divisors (its aliquot sum) s(n): 17739079040
• 12354478720 is an abundant number, because the sum of its proper divisors (17739079040) is greater than itself. Its abundance is 5384600320

Bases of 12354478720

• Binary: 1011100000011000100110001010000000₂
• Hexadecimal: 0x2E0626280
• Base-36: 5OBJCSG

Squares and roots of 12354478720

• 12354478720 squared (12354478720²) is 152633144442932838400
• 12354478720 cubed (12354478720³) is 1885702934986900006401998848000
• The square root of 12354478720 is 111150.7027418181
• The cube root of 12354478720 is 2311.7532413057

Scales and comparisons

• 12,354,478,720 seconds is equal to 392 years, 43 weeks, 2 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 12,354,478,720 would take you about seven hundred eighty-five 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 12354478720 cubic inches would be around 192.6 feet tall.

Recreational maths with 12354478720

• 12354478720 backwards is 02787445321
• The number of decimal digits it has is: 11
• The sum of 12354478720's digits is 43
• More coming soon!