61491036672

Names of 61491036672

• Cardinal: 61491036672 can be written as Sixty-one billion, four hundred ninety-one million, thirty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.1491036672 × 10¹⁰

Factors of 61491036672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 299

Divisors of 61491036672

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 169 192 208 234 256 281 288 312 338 384 416 468 507 512 562 576 624 676 768 832 843 936 1014 1124 1152 1248 1352 1521 1536 1664 1686 1872 2028 2248 2304 2496 2529 2704 3042 3328 3372 3653 3744 4056 4496 4608 4992 5058 5408 6084 6656 6744 7306 7488 8112 8992 9984 10116 10816 10959 12168 13488 14612 14976 16224 17984 19968 20232 21632 21918 24336 26976 29224 29952 32448 32877 35968 40464 43264 43836 47489 48672 53952 58448 59904 64896 65754 71936 78961 80928 86528 87672 94978 97344 107904 116896 129792 131508 142467 143872 157922 161856 175344 189956 194688 215808 233792 236883 259584 263016 284934 315844 323712 350688 379912 389376 427401 431616 467584 473766 526032 569868 631688 647424 701376 710649 759824 778752 854802 935168 947532 1026493 1052064 1139736 1263376 1294848 1402752 1421298 1519648 1709604 1870336 1895064 2052986 2104128 2279472 2526752 2805504 2842596 3039296 3079479 3419208 3790128 4105972 4208256 4558944 5053504 5611008 5685192 6078592 6158958 6838416 7580256 8211944 8416512 9117888 9238437 10107008 11370384 12157184 12317916 13344409 13676832 15160512 16423888 16833024 18235776 18476874 20214016 22740768 24314368 24635832 26688818 27353664 30321024 32847776 36471552 36953748 40033227 40428032 45481536 49271664 53377636 54707328 60642048 65695552 72943104 73907496 80066454 90963072 98543328 106755272 109414656 120099681 121284096 131391104 147814992 160132908 181926144 197086656 213510544 218829312 240199362 262782208 295629984 320265816 363852288 394173312 427021088 480398724 525564416 591259968 640531632 788346624 854042176 960797448 1182519936 1281063264 1576693248 1708084352 1921594896 2365039872 2562126528 3416168704 3843189792 4730079744 5124253056 6832337408 7686379584 10248506112 15372759168 20497012224 30745518336 61491036672
• Sum of all divisors σ(n): 192855036231
• Sum of proper divisors (its aliquot sum) s(n): 131363999559
• 61491036672 is an abundant number, because the sum of its proper divisors (131363999559) is greater than itself. Its abundance is 69872962887

Bases of 61491036672

• Binary: 111001010001001001101100001000000000₂
• Hexadecimal: 0xE5126C200
• Base-36: S8Y6BK0

Squares and roots of 61491036672

• 61491036672 squared (61491036672²) is 3781147590997248835584
• 61491036672 cubed (61491036672³) is 232506685180256285200005042536448
• The square root of 61491036672 is 247973.8628807479
• The cube root of 61491036672 is 3947.0316142517

Scales and comparisons

• 61,491,036,672 seconds is equal to 1,955 years, 11 weeks, 4 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 61,491,036,672 would take you about three thousand, nine hundred ten 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 61491036672 cubic inches would be around 328.9 feet tall.

Recreational maths with 61491036672

• 61491036672 backwards is 27663019416
• The number of decimal digits it has is: 11
• The sum of 61491036672's digits is 45
• More coming soon!