161491063104

Names of 161491063104

• Cardinal: 161491063104 can be written as One hundred sixty-one billion, four hundred ninety-one million, sixty-three thousand, one hundred four.

Scientific notation

• Scientific notation: 1.61491063104 × 10¹¹

Factors of 161491063104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 374440

Divisors of 161491063104

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 107 112 126 144 168 192 214 224 252 288 321 336 428 448 504 576 642 672 749 856 963 1008 1284 1344 1498 1712 1926 2016 2247 2568 2996 3424 3852 4032 4494 5136 5992 6741 6848 7704 8988 10272 11984 13482 15408 17976 20544 23968 26964 30816 35952 47936 53928 61632 71904 107856 143808 215712 374321 431424 748642 1122963 1497284 2245926 2620247 2994568 3368889 4491852 5240494 5989136 6737778 7860741 8983704 10480988 11978272 13475556 15721482 17967408 20961976 23582223 23956544 26951112 31442964 35934816 40052347 41923952 47164446 53902224 62885928 71869632 80104694 83847904 94328892 107804448 120157041 125771856 160209388 167695808 188657784 215608896 240314082 251543712 280366429 320418776 360471123 377315568 480628164 503087424 560732858 640837552 720942246 754631136 841099287 961256328 1121465716 1281675104 1441884492 1509262272 1682198574 1922512656 2242931432 2523297861 2563350208 2883768984 3364397148 3845025312 4485862864 5046595722 5767537968 6728794296 7690050624 8971725728 10093191444 11535075936 13457588592 17943451456 20186382888 23070151872 26915177184 40372765776 53830354368 80745531552 161491063104
• Sum of all divisors σ(n): 533956857408
• Sum of proper divisors (its aliquot sum) s(n): 372465794304
• 161491063104 is an abundant number, because the sum of its proper divisors (372465794304) is greater than itself. Its abundance is 210974731200

Bases of 161491063104

• Binary: 10010110011001100111100001000101000000₂
• Hexadecimal: 0x25999E1140
• Base-36: 226RLXS0

Squares and roots of 161491063104

• 161491063104 squared (161491063104²) is 26079363462460110114816
• 161491063104 cubed (161491063104³) is 4211584130628297577634539341348864
• The square root of 161491063104 is 401859.5066736633
• The cube root of 161491063104 is 5445.6471497689

Scales and comparisons

• 161,491,063,104 seconds is equal to 5,134 years, 47 weeks, 4 days, 12 hours, 38 minutes, 24 seconds.
• To count from 1 to 161,491,063,104 would take you about ten thousand, two hundred sixty-nine 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 161491063104 cubic inches would be around 453.8 feet tall.

Recreational maths with 161491063104

• 161491063104 backwards is 401360194161
• 161491063104 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161491063104's digits is 36
• More coming soon!