31480784388820

Names of 31480784388820

• Cardinal: 31480784388820 can be written as Thirty-one trillion, four hundred eighty billion, seven hundred eighty-four million, three hundred eighty-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.148078438882 × 10¹³

Factors of 31480784388820

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1225

Divisors of 31480784388820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 53 65 71 106 130 142 151 212 260 265 284 302 355 409 521 530 604 689 710 755 818 923 1042 1060 1378 1420 1510 1636 1846 1963 2045 2084 2605 2756 3020 3445 3692 3763 3926 4090 4615 5210 5317 6773 6890 7526 7852 8003 8180 9230 9815 10420 10634 10721 13546 13780 15052 16006 18460 18815 19630 21268 21442 21677 26585 27092 27613 29039 32012 33865 36991 37630 39260 40015 42884 43354 48919 53170 53605 55226 58078 61759 67730 73982 75260 78671 80030 86708 97838 104039 106340 107210 108385 110452 116156 123518 135460 138065 139373 145195 147964 157342 160060 184955 195676 208078 213089 214420 216770 244595 247036 276130 278746 281801 290390 308795 314684 358969 369910 377507 393355 416156 426178 433540 480883 489190 520195 552260 557492 563602 568213 580780 617590 696865 717938 739820 755014 786710 802867 852356 961766 978380 1022723 1040390 1065445 1127204 1136426 1235180 1393730 1409005 1435876 1510028 1539067 1573420 1605734 1794845 1887535 1923532 1960523 2045446 2080780 2130890 2272852 2404415 2770157 2787460 2818010 2841065 3078134 3211468 3273227 3589690 3775070 3921046 4014335 4090892 4169563 4261780 4384889 4808830 5113615 5540314 5585641 5636020 5682130 6156268 6546454 7179380 7386769 7550140 7695335 7842092 8028670 8339126 8769778 9617660 9802615 10227230 11080628 11171282 11293717 11364260 13092908 13850785 14773538 15129319 15390670 16057340 16366135 16678252 17539556 19605230 20007871 20454460 20847815 21924445 22342564 22587434 25486799 27701570 27928205 29547076 30258638 30781340 32176439 32732270 36933845 39210460 40015742 41695630 42551951 43848890 45174868 50973598 54204319 55403140 55856410 56468585 57003557 60517276 64352878 65464540 72613333 73867690 75646595 80031484 83391260 85103902 87697780 100039355 101947196 108408638 111712820 112937170 114007114 127433995 128705756 145226666 146818321 147735380 151293190 160882195 170207804 196681147 200078710 212759755 216817276 225874340 228014228 232399117 254867990 271021595 285017785 290453332 293636642 296038973 302586380 321764390 363066665 393362294 400157420 418293707 425519510 464798234 509735980 542043190 570035570 587273284 592077946 643528780 726133330 734091605 786724588 801853907 836587414 851039020 929596468 983405735 1084086380 1140071140 1161995585 1184155892 1452266660 1468183210 1480194865 1603707814 1673174828 1705351267 1966811470 2091468535 2284527169 2323991170 2936366420 2960389730 3021188521 3207415628 3410702534 3848506649 3933622940 4009269535 4182937070 4569054338 4647982340 5920779460 6042377042 6821405068 7697013298 8018539070 8365874140 8526756335 9138108676 10424100791 11422635845 12084754084 15105942605 15394026596 16037078140 17053512670 19242533245 20848201582 22169566471 22845271690 29698853197 30211885210 34107025340 38485066490 41696403164 44339132942 45690543380 52120503955 59397706394 60423770420 76970132980 88678265884 104241007910 110847832355 118795412788 121079939957 148494265985 208482015820 221695664710 242159879914 296988531970 443391329420 484319759828 593977063940 605399699785 1210799399570 1574039219441 2421598799140 3148078438882 6296156877764 7870196097205 15740392194410 31480784388820
• Sum of all divisors σ(n): 74370641909760
• Sum of proper divisors (its aliquot sum) s(n): 42889857520940
• 31480784388820 is an abundant number, because the sum of its proper divisors (42889857520940) is greater than itself. Its abundance is 11409073132120

Bases of 31480784388820

• Binary: 111001010000110110000111110001000001011010100₂
• Hexadecimal: 0x1CA1B0F882D4
• Base-36: B5Q2M7R2S

Squares and roots of 31480784388820

• 31480784388820 squared (31480784388820²) is 991039785735373020940992400
• 31480784388820 cubed (31480784388820³) is 31198709815477648721298596492318264968000
• The square root of 31480784388820 is 5610773.9563111969
• The cube root of 31480784388820 is 31575.3748455109

Scales and comparisons

• 31,480,784,388,820 seconds is equal to 1,000,991 years, 29 weeks, 3 days, 10 hours, 13 minutes, 40 seconds.
• To count from 1 to 31,480,784,388,820 would take you about two million, five hundred two thousand, four hundred seventy-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 31480784388820 cubic inches would be around 2631.3 feet tall.

Recreational maths with 31480784388820

• 31480784388820 backwards is 02888348708413
• The number of decimal digits it has is: 14
• The sum of 31480784388820's digits is 64
• More coming soon!