12712998720

Names of 12712998720

• Cardinal: 12712998720 can be written as Twelve billion, seven hundred twelve million, nine hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.271299872 × 10¹⁰

Factors of 12712998720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 118

Divisors of 12712998720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 71 74 80 96 111 120 142 148 160 185 192 213 222 240 284 296 320 355 370 426 444 480 555 568 592 710 740 852 888 960 1065 1110 1136 1184 1420 1480 1704 1776 2130 2220 2272 2368 2627 2840 2960 3408 3552 4260 4440 4544 5041 5254 5680 5920 6816 7104 7881 8520 8880 10082 10508 11360 11840 13135 13632 15123 15762 17040 17760 20164 21016 22720 25205 26270 30246 31524 34080 35520 39405 40328 42032 50410 52540 60492 63048 68160 75615 78810 80656 84064 100820 105080 120984 126096 151230 157620 161312 168128 186517 201640 210160 241968 252192 302460 315240 322624 357911 373034 403280 420320 483936 504384 559551 604920 630480 715822 746068 806560 840640 932585 967872 1073733 1119102 1209840 1260960 1431644 1492136 1613120 1789555 1865170 2147466 2238204 2419680 2521920 2797755 2863288 2984272 3579110 3730340 4294932 4476408 4839360 5368665 5595510 5726576 5968544 7158220 7460680 8589864 8952816 10737330 11191020 11453152 11937088 13242707 14316440 14921360 17179728 17905632 21474660 22382040 22906304 26485414 28632880 29842720 34359456 35811264 39728121 42949320 44764080 52970828 57265760 59685440 66213535 68718912 79456242 85898640 89528160 105941656 114531520 132427070 158912484 171797280 179056320 198640605 211883312 264854140 317824968 343594560 397281210 423766624 529708280 635649936 794562420 847533248 1059416560 1271299872 1589124840 2118833120 2542599744 3178249680 4237666240 6356499360 12712998720
• Sum of all divisors σ(n): 42046891776
• Sum of proper divisors (its aliquot sum) s(n): 29333893056
• 12712998720 is an abundant number, because the sum of its proper divisors (29333893056) is greater than itself. Its abundance is 16620894336

Bases of 12712998720

• Binary: 1011110101110000001111011101000000₂
• Hexadecimal: 0x2F5C0F740
• Base-36: 5U8ZOLC

Squares and roots of 12712998720

• 12712998720 squared (12712998720²) is 161620336454721638400
• 12712998720 cubed (12712998720³) is 2054679130474845526935502848000
• The square root of 12712998720 is 112751.9344401683
• The cube root of 12712998720 is 2333.9022772251

Scales and comparisons

• 12,712,998,720 seconds is equal to 404 years, 12 weeks, 1 day, 4 hours, 32 minutes.
• To count from 1 to 12,712,998,720 would take you about eight hundred 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 12712998720 cubic inches would be around 194.5 feet tall.

Recreational maths with 12712998720

• 12712998720 backwards is 02789921721
• 12712998720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12712998720's digits is 48
• More coming soon!