12531261440

Names of 12531261440

• Cardinal: 12531261440 can be written as Twelve billion, five hundred thirty-one million, two hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.253126144 × 10¹⁰

Factors of 12531261440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 248

Divisors of 12531261440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 64 71 80 124 128 139 142 155 160 248 256 278 284 310 320 355 496 512 556 568 620 640 695 710 992 1024 1112 1136 1240 1280 1390 1420 1984 2048 2201 2224 2272 2480 2560 2780 2840 3968 4096 4309 4402 4448 4544 4960 5120 5560 5680 7936 8192 8618 8804 8896 9088 9869 9920 10240 11005 11120 11360 15872 17236 17608 17792 18176 19738 19840 20480 21545 22010 22240 22720 31744 34472 35216 35584 36352 39476 39680 40960 43090 44020 44480 45440 49345 63488 68944 70432 71168 72704 78952 79360 86180 88040 88960 90880 98690 126976 137888 140864 142336 145408 157904 158720 172360 176080 177920 181760 197380 253952 275776 281728 284672 290816 305939 315808 317440 344720 352160 355840 363520 394760 551552 563456 569344 581632 611878 631616 634880 689440 704320 711680 727040 789520 1103104 1126912 1138688 1223756 1263232 1269760 1378880 1408640 1423360 1454080 1529695 1579040 2206208 2253824 2447512 2526464 2757760 2817280 2846720 2908160 3059390 3158080 4412416 4507648 4895024 5052928 5515520 5634560 5693440 6118780 6316160 8824832 9015296 9790048 10105856 11031040 11269120 12237560 12632320 17649664 18030592 19580096 20211712 22062080 22538240 24475120 25264640 35299328 39160192 40423424 44124160 45076480 48950240 50529280 78320384 80846848 88248320 90152960 97900480 101058560 156640768 176496640 195800960 202117120 313281536 391601920 404234240 626563072 783203840 1253126144 1566407680 2506252288 3132815360 6265630720 12531261440
• Sum of all divisors σ(n): 31707002880
• Sum of proper divisors (its aliquot sum) s(n): 19175741440
• 12531261440 is an abundant number, because the sum of its proper divisors (19175741440) is greater than itself. Its abundance is 6644480000

Bases of 12531261440

• Binary: 1011101010111010111110000000000000₂
• Hexadecimal: 0x2EAEBE000
• Base-36: 5R8SF7K

Squares and roots of 12531261440

• 12531261440 squared (12531261440²) is 157032513277630873600
• 12531261440 cubed (12531261440³) is 1967815478462263780897193984000
• The square root of 12531261440 is 111943.1169835823
• The cube root of 12531261440 is 2322.7275095449

Scales and comparisons

• 12,531,261,440 seconds is equal to 398 years, 23 weeks, 4 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 12,531,261,440 would take you about seven hundred ninety-six 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 12531261440 cubic inches would be around 193.6 feet tall.

Recreational maths with 12531261440

• 12531261440 backwards is 04416213521
• The number of decimal digits it has is: 11
• The sum of 12531261440's digits is 29
• More coming soon!