61394557840

Names of 61394557840

• Cardinal: 61394557840 can be written as Sixty-one billion, three hundred ninety-four million, five hundred fifty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.139455784 × 10¹⁰

Factors of 61394557840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 66

Divisors of 61394557840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 41 44 49 55 56 70 77 80 82 88 98 110 112 121 140 154 164 176 196 205 220 242 245 280 287 308 328 343 385 392 410 440 451 484 490 539 560 574 605 616 656 686 770 784 820 847 880 902 968 980 1078 1148 1210 1232 1331 1372 1435 1540 1640 1681 1694 1715 1804 1936 1960 2009 2156 2255 2296 2420 2662 2695 2744 2870 3080 3157 3280 3362 3388 3430 3608 3773 3920 4018 4235 4312 4510 4592 4840 4961 5324 5390 5488 5740 5929 6160 6314 6655 6724 6776 6860 7216 7546 8036 8405 8470 8624 9020 9317 9680 9922 10045 10648 10780 11480 11767 11858 12628 13310 13448 13552 13720 14063 15092 15785 16072 16810 16940 18040 18491 18634 18865 19844 20090 21296 21560 22099 22960 23534 23716 24805 25256 26620 26896 27440 28126 29645 30184 31570 32144 33620 33880 34727 36080 36982 37268 37730 39688 40180 41503 43120 44198 46585 47068 47432 49610 50512 53240 54571 56252 58835 59290 60368 63140 65219 67240 67760 69454 70315 73964 74536 75460 79376 80360 82369 83006 88396 92455 93170 94136 94864 99220 106480 109142 110495 112504 117670 118580 126280 129437 130438 134480 138908 140630 147928 149072 150920 154693 160720 164738 166012 173635 176792 184910 186340 188272 198440 203401 207515 218284 220990 225008 235340 237160 243089 252560 258874 260876 272855 277816 281260 295856 301840 309386 326095 329476 332024 347270 353584 369820 372680 381997 396880 406802 411845 415030 436568 441980 456533 470680 474320 486178 517748 521752 545710 555632 562520 576583 618772 647185 652190 658952 664048 694540 739640 745360 763994 773465 813604 823690 830060 873136 883960 906059 913066 941360 972356 1017005 1035496 1043504 1091420 1125040 1153166 1215445 1237544 1294370 1304380 1317904 1389080 1423807 1479280 1527988 1546930 1627208 1647380 1660120 1701623 1767920 1812118 1826132 1909985 1944712 2034010 2070992 2182840 2237411 2282665 2306332 2430890 2475088 2588740 2608760 2673979 2778160 2847614 2882915 3055976 3093860 3254416 3294760 3320240 3403246 3624236 3652264 3819970 3889424 4068020 4365680 4474822 4530295 4565330 4612664 4861780 5177480 5217520 5347958 5695228 5765830 6111952 6187720 6342413 6589520 6806492 7119035 7248472 7304528 7639940 8136040 8508115 8949644 9060590 9130660 9225328 9723560 9966649 10354960 10695916 11187055 11390456 11531660 12375440 12684826 13369895 13612984 14238070 14496944 15279880 15661877 16272080 17016230 17899288 18121180 18261320 18717853 19447120 19933298 21391832 22374110 22780912 23063320 25369652 26739790 27225968 28476140 30559760 31323754 31712065 34032460 35798576 36242360 36522640 37435706 39866596 42783664 44748220 46126640 49833245 50739304 53479580 56952280 62647508 63424130 68064920 69766543 72484720 74871412 78309385 79733192 89496440 93589265 99666490 101478608 106959160 109633139 113904560 125295016 126848260 136129840 139533086 149742824 156618770 159466384 178992880 187178530 199332980 213918320 219266278 250590032 253696520 279066172 299485648 313237540 348832715 374357060 398665960 438532556 507393040 548165695 558132344 626475080 697665430 748714120 767431973 797331920 877065112 1096331390 1116264688 1252950160 1395330860 1497428240 1534863946 1754130224 2192662780 2790661720 3069727892 3837159865 4385325560 5581323440 6139455784 7674319730 8770651120 12278911568 15348639460 30697278920 61394557840
• Sum of all divisors σ(n): 187671916800
• Sum of proper divisors (its aliquot sum) s(n): 126277358960
• 61394557840 is an abundant number, because the sum of its proper divisors (126277358960) is greater than itself. Its abundance is 64882801120

Bases of 61394557840

• Binary: 111001001011011001101001101110010000₂
• Hexadecimal: 0xE4B669B90
• Base-36: S7CQG0G

Squares and roots of 61394557840

• 61394557840 squared (61394557840²) is 3769291732369105465600
• 61394557840 cubed (61394557840³) is 231413999278768845736839330304000
• The square root of 61394557840 is 247779.2522387619
• The cube root of 61394557840 is 3944.9662490961

Scales and comparisons

• 61,394,557,840 seconds is equal to 1,952 years, 8 weeks, 1 day, 3 hours, 50 minutes, 40 seconds.
• To count from 1 to 61,394,557,840 would take you about three thousand, nine hundred four 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 61394557840 cubic inches would be around 328.7 feet tall.

Recreational maths with 61394557840

• 61394557840 backwards is 04875549316
• The number of decimal digits it has is: 11
• The sum of 61394557840's digits is 52
• More coming soon!