12539985920

Names of 12539985920

• Cardinal: 12539985920 can be written as Twelve billion, five hundred thirty-nine million, nine hundred eighty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.253998592 × 10¹⁰

Factors of 12539985920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 96

Divisors of 12539985920

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 64 70 71 77 80 88 98 110 112 128 140 142 154 160 176 196 220 224 245 256 280 284 308 320 352 355 385 392 440 448 490 497 512 539 560 568 616 640 704 710 770 781 784 880 896 980 994 1024 1078 1120 1136 1232 1280 1408 1420 1540 1562 1568 1760 1792 1960 1988 2048 2156 2240 2272 2464 2485 2560 2695 2816 2840 3080 3124 3136 3479 3520 3584 3905 3920 3976 4096 4312 4480 4544 4928 4970 5120 5390 5467 5632 5680 6160 6248 6272 6958 7040 7168 7810 7840 7952 8192 8624 8960 9088 9856 9940 10240 10780 10934 11264 11360 12320 12496 12544 13916 14080 14336 15620 15680 15904 16384 17248 17395 17920 18176 19712 19880 20480 21560 21868 22528 22720 24640 24992 25088 27335 27832 28160 28672 31240 31360 31808 32768 34496 34790 35840 36352 38269 39424 39760 40960 43120 43736 45056 45440 49280 49984 50176 54670 55664 56320 57344 62480 62720 63616 65536 68992 69580 71680 72704 76538 78848 79520 81920 86240 87472 90112 90880 98560 99968 100352 109340 111328 112640 114688 124960 125440 127232 137984 139160 143360 145408 153076 157696 159040 163840 172480 174944 180224 181760 191345 197120 199936 200704 218680 222656 225280 229376 249920 250880 254464 275968 278320 286720 290816 306152 315392 318080 327680 344960 349888 360448 363520 382690 394240 399872 401408 437360 445312 450560 458752 499840 501760 508928 551936 556640 573440 581632 612304 630784 636160 689920 699776 720896 727040 765380 788480 799744 802816 874720 890624 901120 999680 1003520 1017856 1103872 1113280 1146880 1163264 1224608 1261568 1272320 1379840 1399552 1454080 1530760 1576960 1599488 1605632 1749440 1781248 1802240 1999360 2007040 2035712 2207744 2226560 2293760 2326528 2449216 2523136 2544640 2759680 2799104 2908160 3061520 3153920 3198976 3211264 3498880 3562496 3604480 3998720 4014080 4071424 4415488 4453120 4653056 4898432 5046272 5089280 5519360 5598208 5816320 6123040 6307840 6397952 6997760 7124992 7997440 8028160 8142848 8830976 8906240 9796864 10178560 11038720 11196416 11632640 12246080 12615680 12795904 13995520 14249984 15994880 16056320 16285696 17661952 17812480 19593728 20357120 22077440 22392832 23265280 24492160 25231360 25591808 27991040 28499968 31989760 32571392 35323904 35624960 39187456 40714240 44154880 44785664 48984320 51183616 55982080 56999936 63979520 71249920 78374912 81428480 88309760 89571328 97968640 111964160 113999872 127959040 142499840 156749824 162856960 176619520 179142656 195937280 223928320 227999744 255918080 284999680 313499648 358285312 391874560 447856640 569999360 626999296 783749120 895713280 1139998720 1253998592 1567498240 1791426560 2507997184 3134996480 6269992960 12539985920
• Sum of all divisors σ(n): 38729907648
• Sum of proper divisors (its aliquot sum) s(n): 26189921728
• 12539985920 is an abundant number, because the sum of its proper divisors (26189921728) is greater than itself. Its abundance is 13649935808

Bases of 12539985920

• Binary: 1011101011011100010000000000000000₂
• Hexadecimal: 0x2EB710000
• Base-36: 5RDZF28

Squares and roots of 12539985920

• 12539985920 squared (12539985920²) is 157251246873798246400
• 12539985920 cubed (12539985920³) is 1971928421699874026776690688000
• The square root of 12539985920 is 111982.0785661705
• The cube root of 12539985920 is 2323.2664254597

Scales and comparisons

• 12,539,985,920 seconds is equal to 398 years, 38 weeks, 17 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,539,985,920 would take you about seven hundred ninety-seven 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 12539985920 cubic inches would be around 193.6 feet tall.

Recreational maths with 12539985920

• 12539985920 backwards is 02958993521
• The number of decimal digits it has is: 11
• The sum of 12539985920's digits is 53
• More coming soon!