18058078720

Names of 18058078720

• Cardinal: 18058078720 can be written as Eighteen billion, fifty-eight million, seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.805807872 × 10¹⁰

Factors of 18058078720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 716

Divisors of 18058078720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 97 110 121 128 160 176 194 220 242 256 320 352 388 440 484 485 512 601 605 640 704 776 880 968 970 1067 1202 1210 1280 1408 1552 1760 1936 1940 2134 2404 2420 2560 2816 3005 3104 3520 3872 3880 4268 4808 4840 5335 5632 6010 6208 6611 7040 7744 7760 8536 9616 9680 10670 11737 12020 12416 13222 14080 15488 15520 17072 19232 19360 21340 23474 24040 24832 26444 28160 30976 31040 33055 34144 38464 38720 42680 46948 48080 49664 52888 58297 58685 61952 62080 66110 68288 72721 76928 77440 85360 93896 96160 105776 116594 117370 124160 132220 136576 145442 153856 154880 170720 187792 192320 211552 233188 234740 248320 264440 273152 290884 291485 307712 309760 341440 363605 375584 384640 423104 466376 469480 528880 546304 581768 582970 641267 682880 727210 751168 769280 846208 932752 938960 1057760 1163536 1165940 1282534 1365760 1454420 1502336 1538560 1692416 1865504 1877920 2115520 2327072 2331880 2565068 2731520 2908840 3004672 3206335 3384832 3731008 3755840 4231040 4654144 4663760 5130136 5817680 6009344 6412670 7053937 7462016 7511680 8462080 9308288 9327520 10260272 11635360 12825340 14107874 14924032 15023360 16924160 18616576 18655040 20520544 23270720 25650680 28215748 29848064 30046720 35269685 37233152 37310080 41041088 46541440 51301360 56431496 70539370 74620160 82082176 93082880 102602720 112862992 141078740 149240320 164164352 186165760 205205440 225725984 282157480 328328704 410410880 451451968 564314960 820821760 902903936 1128629920 1641643520 1805807872 2257259840 3611615744 4514519680 9029039360 18058078720
• Sum of all divisors σ(n): 48161620584
• Sum of proper divisors (its aliquot sum) s(n): 30103541864
• 18058078720 is an abundant number, because the sum of its proper divisors (30103541864) is greater than itself. Its abundance is 12045463144

Bases of 18058078720

• Binary: 10000110100010110000110101000000000₂
• Hexadecimal: 0x434586A00
• Base-36: 8ANBAPS

Squares and roots of 18058078720

• 18058078720 squared (18058078720²) is 326094207057716838400
• 18058078720 cubed (18058078720³) is 5888634861184230251296718848000
• The square root of 18058078720 is 134380.3509446229
• The cube root of 18058078720 is 2623.5570588847

Scales and comparisons

• 18,058,078,720 seconds is equal to 574 years, 9 weeks, 6 days, 12 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,058,078,720 would take you about one thousand, one hundred forty-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 18058078720 cubic inches would be around 218.6 feet tall.

Recreational maths with 18058078720

• 18058078720 backwards is 02787085081
• The number of decimal digits it has is: 11
• The sum of 18058078720's digits is 46
• More coming soon!