29987919640

Names of 29987919640

• Cardinal: 29987919640 can be written as Twenty-nine billion, nine hundred eighty-seven million, nine hundred nineteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.998791964 × 10¹⁰

Factors of 29987919640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 444

Divisors of 29987919640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 28 35 38 40 43 49 56 61 70 76 86 95 98 122 133 140 152 172 190 196 215 244 245 266 280 301 305 307 344 380 392 427 430 488 490 532 602 610 614 665 760 817 854 860 931 980 1064 1159 1204 1220 1228 1330 1505 1535 1634 1708 1720 1862 1960 2107 2135 2149 2318 2408 2440 2456 2623 2660 2989 3010 3070 3268 3416 3724 4085 4214 4270 4298 4636 4655 5246 5320 5719 5795 5833 5978 6020 6140 6536 7448 8113 8170 8428 8540 8596 9272 9310 10492 10535 10745 11438 11590 11666 11956 12040 12280 13115 13201 14945 15043 16226 16340 16856 17080 17192 18361 18620 18727 20984 21070 21490 22876 23180 23332 23912 26230 26402 28595 29165 29890 30086 32452 32680 36722 37240 37454 40033 40565 40831 42140 42980 45752 46360 46664 49837 52460 52804 56791 57190 58330 59780 60172 64904 66005 73444 74908 75215 80066 81130 81662 84280 85960 91805 92407 93635 99674 104920 105608 113582 114380 116660 119560 120344 128527 131089 132010 146888 149816 150430 160132 162260 163324 183610 184814 187270 199348 200165 204155 227164 228760 233320 249185 250819 257054 262178 264020 283955 285817 300860 320264 324520 326648 348859 355813 367220 369628 374540 398696 400330 408310 454328 462035 498370 501638 514108 524356 528040 567910 571634 601720 642635 646849 655445 697718 711626 734440 739256 749080 800660 805261 816620 917623 924070 996740 1003276 1028216 1048712 1135820 1143268 1254095 1285270 1293698 1310890 1395436 1423252 1429085 1601320 1610522 1633240 1744295 1755733 1779065 1835246 1848140 1993480 2006552 2271640 2286536 2442013 2490691 2508190 2570540 2587396 2621780 2790872 2846504 2858170 3221044 3234245 3488590 3511466 3558130 3670492 3696280 4026305 4588115 4884026 4981382 5016380 5141080 5174792 5243560 5636827 5716340 6442088 6468490 6977180 7022932 7116260 7340984 8052610 8778665 9176230 9768052 9962764 10032760 11273654 11432680 12210065 12290131 12453455 12936980 13954360 14045864 14232520 15299959 16105220 17434837 17557330 18352460 19536104 19925528 22547308 24420130 24580262 24906910 25873960 28184135 30599918 32210440 34869674 35114660 36704920 39457789 45094616 48840260 49160524 49813820 56368270 61199836 61450655 69739348 70229320 76499795 78915578 87174185 97680520 98321048 99627640 107099713 112736540 122399672 122901310 139478696 152999590 157831156 174348370 197288945 214199426 225473080 245802620 305999180 315662312 348696740 394577890 428398852 491605240 535498565 611998360 697393480 749697991 789155780 856797704 1070997130 1499395982 1578311560 2141994260 2998791964 3748489955 4283988520 5997583928 7496979910 14993959820 29987919640
• Sum of all divisors σ(n): 86206982400
• Sum of proper divisors (its aliquot sum) s(n): 56219062760
• 29987919640 is an abundant number, because the sum of its proper divisors (56219062760) is greater than itself. Its abundance is 26231143120

Bases of 29987919640

• Binary: 11011111011011010110101011100011000₂
• Hexadecimal: 0x6FB6B5718
• Base-36: DRY16VS

Squares and roots of 29987919640

• 29987919640 squared (29987919640²) is 899275324335097729600
• 29987919640 cubed (29987919640³) is 26967396160395847146791249344000
• The square root of 29987919640 is 173170.2042500383
• The cube root of 29987919640 is 3106.8153778785

Scales and comparisons

• 29,987,919,640 seconds is equal to 953 years, 27 weeks, 1 day, 9 hours, 40 minutes, 40 seconds.
• To count from 1 to 29,987,919,640 would take you about one thousand, nine hundred 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 29987919640 cubic inches would be around 258.9 feet tall.

Recreational maths with 29987919640

• 29987919640 backwards is 04691978992
• The number of decimal digits it has is: 11
• The sum of 29987919640's digits is 64
• More coming soon!