30121931840

Names of 30121931840

• Cardinal: 30121931840 can be written as Thirty billion, one hundred twenty-one million, nine hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.012193184 × 10¹⁰

Factors of 30121931840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 656

Divisors of 30121931840

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 52 55 56 64 65 70 77 80 88 91 104 110 112 130 140 143 154 160 176 182 208 220 224 260 271 280 286 308 320 347 352 364 385 416 440 448 455 520 542 560 572 616 694 704 715 728 770 832 880 910 1001 1040 1084 1120 1144 1232 1355 1388 1430 1456 1540 1735 1760 1820 1897 2002 2080 2168 2240 2288 2429 2464 2710 2776 2860 2912 2981 3080 3470 3520 3523 3640 3794 3817 4004 4160 4336 4511 4576 4858 4928 5005 5420 5552 5720 5824 5962 6160 6940 7046 7280 7588 7634 8008 8672 9022 9152 9485 9716 10010 10840 11104 11440 11924 12145 12320 13880 14092 14560 14905 15176 15268 16016 17344 17615 18044 18970 19085 19432 20020 20867 21680 22208 22555 22880 23848 24290 24640 24661 26719 27760 28184 29120 29810 30352 30536 31577 32032 35230 36088 37940 38170 38753 38864 40040 41734 43360 45110 45760 47696 48580 49322 49621 53438 55520 56368 59620 60704 61072 63154 64064 70460 72176 75880 76340 77506 77728 80080 83468 86720 90220 94037 95392 97160 98644 99242 104335 106876 111040 112736 119240 121408 122144 123305 126308 133595 140920 144352 151760 152680 155012 155456 157885 160160 166936 180440 188074 190784 193765 194320 197288 198484 208670 213752 225472 238480 244288 246610 248105 252616 267190 271271 281840 288704 303520 305360 310024 315770 320320 333872 347347 360880 376148 387530 388640 394576 396968 417340 427504 470185 476960 493220 496210 505232 534380 542542 563680 607040 610720 620048 631540 658259 667744 694694 721760 752296 775060 777280 789152 793936 834680 855008 940370 953920 986440 992420 1010464 1034407 1068760 1085084 1127360 1221440 1222481 1240096 1263080 1316518 1335488 1356355 1389388 1443520 1504592 1550120 1578304 1587872 1669360 1710016 1736735 1880740 1972880 1984840 2020928 2068814 2137520 2170168 2444962 2480192 2526160 2633036 2712710 2778776 3009184 3100240 3175744 3291295 3338720 3473470 3761480 3945760 3969680 4137628 4275040 4340336 4889924 5052320 5172035 5266072 5425420 5557552 6018368 6112405 6200480 6582590 6677440 6946940 7240849 7522960 7891520 7939360 8275256 8550080 8557367 8680672 9779848 10104640 10344070 10532144 10850840 11115104 12224810 12400960 13165180 13447291 13893880 14481698 15045920 15878720 16550512 17114734 17361344 19559696 20688140 21064288 21701680 22230208 24449620 26330360 26894582 27787760 28963396 30091840 33101024 34229468 36204245 39119392 41376280 42128576 42786835 43403360 48899240 52660720 53789164 55575520 57926792 66202048 67236455 68458936 72408490 78238784 82752560 85573670 86806720 94131037 97798480 105321440 107578328 111151040 115853584 134472910 136917872 144816980 165505120 171147340 188262074 195596960 210642880 215156656 231707168 268945820 273835744 289633960 331010240 342294680 376524148 391193920 430313312 463414336 470655185 537891640 547671488 579267920 684589360 753048296 860626624 941310370 1075783280 1158535840 1369178720 1506096592 1882620740 2151566560 2317071680 2738357440 3012193184 3765241480 4303133120 6024386368 7530482960 15060965920 30121931840
• Sum of all divisors σ(n): 96939859968
• Sum of proper divisors (its aliquot sum) s(n): 66817928128
• 30121931840 is an abundant number, because the sum of its proper divisors (66817928128) is greater than itself. Its abundance is 36695996288

Bases of 30121931840

• Binary: 11100000011011010000011010001000000₂
• Hexadecimal: 0x703683440
• Base-36: DU5TJCW

Squares and roots of 30121931840

• 30121931840 squared (30121931840²) is 907330777773605785600
• 30121931840 cubed (30121931840³) is 27330555844430740424872853504000
• The square root of 30121931840 is 173556.7107316799
• The cube root of 30121931840 is 3111.4364886145

Scales and comparisons

• 30,121,931,840 seconds is equal to 957 years, 40 weeks, 5 days, 11 hours, 17 minutes, 20 seconds.
• To count from 1 to 30,121,931,840 would take you about one thousand, nine hundred fifteen 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 30121931840 cubic inches would be around 259.3 feet tall.

Recreational maths with 30121931840

• 30121931840 backwards is 04813912103
• 30121931840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30121931840's digits is 32
• More coming soon!