80138240

Names of 80138240

• Cardinal: 80138240 can be written as Eighty million, one hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.013824 × 10⁷

Factors of 80138240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 70

Divisors of 80138240

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 43 52 56 64 65 70 80 86 91 104 112 128 130 140 160 172 182 208 215 224 256 260 280 301 320 344 364 416 430 448 455 512 520 559 560 602 640 688 728 832 860 896 910 1024 1040 1118 1120 1204 1280 1376 1456 1505 1664 1720 1792 1820 2048 2080 2236 2240 2408 2560 2752 2795 2912 3010 3328 3440 3584 3640 3913 4096 4160 4472 4480 4816 5120 5504 5590 5824 6020 6656 6880 7168 7280 7826 8320 8944 8960 9632 10240 11008 11180 11648 12040 13312 13760 14336 14560 15652 16640 17888 17920 19264 19565 20480 22016 22360 23296 24080 26624 27520 28672 29120 31304 33280 35776 35840 38528 39130 44032 44720 46592 48160 53248 55040 58240 62608 66560 71552 71680 77056 78260 88064 89440 93184 96320 110080 116480 125216 133120 143104 143360 154112 156520 176128 178880 186368 192640 220160 232960 250432 266240 286208 308224 313040 357760 372736 385280 440320 465920 500864 572416 616448 626080 715520 770560 880640 931840 1001728 1144832 1232896 1252160 1431040 1541120 1863680 2003456 2289664 2504320 2862080 3082240 4006912 5008640 5724160 6164480 8013824 10017280 11448320 16027648 20034560 40069120 80138240
• Sum of all divisors σ(n): 242191488
• Sum of proper divisors (its aliquot sum) s(n): 162053248
• 80138240 is an abundant number, because the sum of its proper divisors (162053248) is greater than itself. Its abundance is 81915008

Bases of 80138240

• Binary: 100110001101101000000000000₂
• Hexadecimal: 0x4C6D000
• Base-36: 1BPN28

Squares and roots of 80138240

• 80138240 squared (80138240²) is 6422137510297600
• 80138240 cubed (80138240³) is 514658797113231540224000
• The square root of 80138240 is 8951.9964253791
• The cube root of 80138240 is 431.1349860619

Scales and comparisons

• 80,138,240 seconds is equal to 2 years, 28 weeks, 3 days, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 80,138,240 would take you about three 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 80138240 cubic inches would be around 35.9 feet tall.

Recreational maths with 80138240

• 80138240 backwards is 04283108
• 80138240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 80138240's digits is 26
• More coming soon!