18125118720

Names of 18125118720

• Cardinal: 18125118720 can be written as Eighteen billion, one hundred twenty-five million, one hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.812511872 × 10¹⁰

Factors of 18125118720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1121

Divisors of 18125118720

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 40 45 46 48 60 64 67 69 72 80 90 92 96 115 120 128 134 138 144 160 180 184 192 201 207 230 240 256 268 276 288 320 335 345 360 368 384 402 414 460 480 536 552 576 603 640 670 690 720 736 768 804 828 920 960 1005 1021 1035 1072 1104 1152 1206 1280 1340 1380 1440 1472 1541 1608 1656 1840 1920 2010 2042 2070 2144 2208 2304 2412 2680 2760 2880 2944 3015 3063 3082 3216 3312 3680 3840 4020 4084 4140 4288 4416 4623 4824 5105 5360 5520 5760 5888 6030 6126 6164 6432 6624 7360 7705 8040 8168 8280 8576 8832 9189 9246 9648 10210 10720 11040 11520 12060 12252 12328 12864 13248 13869 14720 15315 15410 16080 16336 16560 17152 17664 18378 18492 19296 20420 21440 22080 23115 23483 24120 24504 24656 25728 26496 27738 29440 30630 30820 32160 32672 33120 36756 36984 38592 40840 42880 44160 45945 46230 46966 48240 49008 49312 51456 52992 55476 61260 61640 64320 65344 66240 68407 69345 70449 73512 73968 77184 81680 85760 88320 91890 92460 93932 96480 98016 98624 110952 117415 122520 123280 128640 130688 132480 136814 138690 140898 147024 147936 154368 163360 183780 184920 187864 192960 196032 197248 205221 211347 221904 234830 245040 246560 257280 261376 264960 273628 277380 281796 294048 295872 326720 342035 352245 367560 369840 375728 385920 392064 394496 410442 422694 443808 469660 490080 493120 547256 554760 563592 588096 591744 615663 653440 684070 704490 735120 739680 751456 771840 784128 820884 845388 887616 939320 980160 986240 1026105 1056735 1094512 1109520 1127184 1176192 1183488 1231326 1306880 1368140 1408980 1470240 1479360 1502912 1573361 1641768 1690776 1775232 1878640 1960320 1972480 2052210 2113470 2189024 2219040 2254368 2352384 2462652 2736280 2817960 2940480 2958720 3005824 3078315 3146722 3283536 3381552 3550464 3757280 3920640 4104420 4226940 4378048 4438080 4508736 4720083 4925304 5472560 5635920 5880960 5917440 6011648 6156630 6293444 6567072 6763104 7514560 7866805 8208840 8453880 8756096 8876160 9017472 9440166 9850608 10945120 11271840 11761920 12313260 12586888 13134144 13526208 14160249 15029120 15733610 16417680 16907760 17512192 17752320 18034944 18880332 19701216 21890240 22543680 23600415 24626520 25173776 26268288 27052416 28320498 30058240 31467220 32835360 33815520 37760664 39402432 43780480 45087360 47200830 49253040 50347552 52536576 54104832 56640996 62934440 65670720 67631040 70801245 75521328 78804864 87560960 90174720 94401660 98506080 100695104 113281992 125868880 131341440 135262080 141602490 151042656 157609728 188803320 197012160 201390208 226563984 251737760 262682880 270524160 283204980 302085312 377606640 394024320 402780416 453127968 503475520 566409960 604170624 755213280 788048640 906255936 1006951040 1132819920 1208341248 1510426560 1812511872 2013902080 2265639840 3020853120 3625023744 4531279680 6041706240 9062559360 18125118720
• Sum of all divisors σ(n): 66479317632
• Sum of proper divisors (its aliquot sum) s(n): 48354198912
• 18125118720 is an abundant number, because the sum of its proper divisors (48354198912) is greater than itself. Its abundance is 30229080192

Bases of 18125118720

• Binary: 10000111000010101110101110100000000₂
• Hexadecimal: 0x438575D00
• Base-36: 8BR8740

Squares and roots of 18125118720

• 18125118720 squared (18125118720²) is 328519928614094438400
• 18125118720 cubed (18125118720³) is 5954462708016386761291726848000
• The square root of 18125118720 is 134629.5610926515
• The cube root of 18125118720 is 2626.7996714611

Scales and comparisons

• 18,125,118,720 seconds is equal to 576 years, 16 weeks, 5 days, 11 hours, 12 minutes.
• To count from 1 to 18,125,118,720 would take you about one thousand, one hundred fifty-two 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 18125118720 cubic inches would be around 218.9 feet tall.

Recreational maths with 18125118720

• 18125118720 backwards is 02781152181
• 18125118720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18125118720's digits is 36
• More coming soon!