61531125840

Names of 61531125840

• Cardinal: 61531125840 can be written as Sixty-one billion, five hundred thirty-one million, one hundred twenty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.153112584 × 10¹⁰

Factors of 61531125840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 677

Divisors of 61531125840

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 144 145 174 180 232 240 261 290 307 331 348 360 435 464 522 580 614 662 696 720 841 870 921 993 1044 1160 1228 1305 1324 1392 1535 1655 1682 1740 1842 1986 2088 2320 2456 2523 2610 2648 2763 2979 3070 3310 3364 3480 3684 3972 4176 4205 4605 4912 4965 5046 5220 5296 5526 5958 6140 6620 6728 6960 7368 7569 7944 8410 8903 9210 9599 9930 10092 10440 11052 11916 12280 12615 13240 13456 13815 14736 14895 15138 15888 16820 17806 18420 19198 19860 20184 20880 22104 23832 24560 25230 26480 26709 27630 28797 29790 30276 33640 35612 36840 37845 38396 39720 40368 44208 44515 47664 47995 50460 53418 55260 57594 59580 60552 67280 71224 73680 75690 76792 79440 80127 86391 89030 95990 100920 101617 106836 110520 115188 119160 121104 133545 142448 143985 151380 153584 160254 172782 178060 191980 201840 203234 213672 221040 230376 238320 258187 267090 278371 287970 302760 304851 320508 345564 356120 383960 400635 406468 427344 431955 460752 508085 516374 534180 556742 575940 605520 609702 641016 691128 712240 767920 774561 801270 812936 835113 863910 914553 1016170 1032748 1068360 1113484 1151880 1219404 1282032 1290935 1382256 1391855 1524255 1549122 1602540 1625872 1670226 1727820 1829106 2032340 2065496 2136720 2226968 2303760 2323683 2438808 2505339 2581870 2783710 2946893 3048510 3098244 3205080 3340452 3455640 3658212 3872805 4064680 4130992 4175565 4453936 4572765 4647366 4877616 5010678 5163740 5567420 5893786 6097020 6196488 6410160 6680904 6911280 7316424 7745610 8129360 8351130 8840679 9145530 9294732 10021356 10327480 11134840 11618415 11787572 12194040 12392976 12526695 13361808 14632848 14734465 15491220 16702260 17681358 18291060 18589464 20042712 20654960 22269680 23236830 23575144 24388080 25053390 26522037 29468930 30982440 33404520 35362716 36582120 37178928 40085424 44203395 46473660 47150288 50106780 53044074 58937860 61964880 66809040 70725432 73164240 85459897 88406790 92947320 100213560 106088148 117875720 132610185 141450864 170919794 176813580 185894640 200427120 212176296 235751440 256379691 265220370 341839588 353627160 424352592 427299485 512759382 530440740 683679176 707254320 769139073 854598970 1025518764 1060881480 1281898455 1367358352 1538278146 1709197940 2051037528 2121762960 2563796910 3076556292 3418395880 3845695365 4102075056 5127593820 6153112584 6836791760 7691390730 10255187640 12306225168 15382781460 20510375280 30765562920 61531125840
• Sum of all divisors σ(n): 215359111968
• Sum of proper divisors (its aliquot sum) s(n): 153827986128
• 61531125840 is an abundant number, because the sum of its proper divisors (153827986128) is greater than itself. Its abundance is 92296860288

Bases of 61531125840

• Binary: 111001010011100010100111100001010000₂
• Hexadecimal: 0xE538A7850
• Base-36: S9M1KK0

Squares and roots of 61531125840

• 61531125840 squared (61531125840²) is 3786079447137915705600
• 61531125840 cubed (61531125840³) is 232961730902080719116585992704000
• The square root of 61531125840 is 248054.6831648215
• The cube root of 61531125840 is 3947.8891855211

Scales and comparisons

• 61,531,125,840 seconds is equal to 1,956 years, 25 weeks, 6 days, 19 hours, 24 minutes.
• To count from 1 to 61,531,125,840 would take you about three thousand, nine hundred twelve 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 61531125840 cubic inches would be around 329 feet tall.

Recreational maths with 61531125840

• 61531125840 backwards is 04852113516
• 61531125840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61531125840's digits is 36
• More coming soon!