161389256704

Names of 161389256704

• Cardinal: 161389256704 can be written as One hundred sixty-one billion, three hundred eighty-nine million, two hundred fifty-six thousand, seven hundred four.

Scientific notation

• Scientific notation: 1.61389256704 × 10¹¹

Factors of 161389256704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 2769

Divisors of 161389256704

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 8 13 16 26 32 43 52 64 86 104 128 169 172 208 256 338 344 416 512 559 676 688 832 1024 1118 1352 1376 1664 2048 2236 2704 2711 2752 3328 4096 4472 5408 5422 5504 6656 7267 8192 8944 10816 10844 11008 13312 14534 17888 21632 21688 22016 26624 29068 35243 35776 43264 43376 44032 53248 58136 70486 71552 86528 86752 88064 106496 116272 116573 140972 143104 173056 173504 176128 232544 233146 281944 286208 346112 347008 352256 458159 465088 466292 563888 572416 692224 694016 916318 930176 932584 1127776 1144832 1384448 1388032 1515449 1832636 1860352 1865168 2255552 2289664 2776064 3030898 3665272 3720704 3730336 4511104 4579328 5552128 6061796 7330544 7441408 7460672 9022208 11104256 12123592 14661088 14882816 14921344 18044416 19700837 22208512 24247184 29322176 29765632 29842688 36088832 39401674 48494368 58644352 59531264 59685376 72177664 78803348 96988736 117288704 119370752 144355328 157606696 193977472 234577408 238741504 288710656 315213392 387954944 469154816 477483008 630426784 775909888 938309632 954966016 1260853568 1551819776 1876619264 2521707136 3103639552 3753238528 5043414272 6207279104 10086828544 12414558208 20173657088 40347314176 80694628352 161389256704
• Sum of all divisors σ(n): 357755964192
• Sum of proper divisors (its aliquot sum) s(n): 196366707488
• 161389256704 is an abundant number, because the sum of its proper divisors (196366707488) is greater than itself. Its abundance is 34977450784

Bases of 161389256704

• Binary: 10010110010011100011001010000000000000₂
• Hexadecimal: 0x25938CA000
• Base-36: 2252ZVGG

Squares and roots of 161389256704

• 161389256704 squared (161389256704²) is 26046492179469608943616
• 161389256704 cubed (161389256704³) is 4203624012591149156367736886001664
• The square root of 161389256704 is 401732.8175591335
• The cube root of 161389256704 is 5444.5025698703

Scales and comparisons

• 161,389,256,704 seconds is equal to 5,131 years, 35 weeks, 2 days, 5 hours, 5 minutes, 4 seconds.
• To count from 1 to 161,389,256,704 would take you about ten thousand, two hundred sixty-three 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 161389256704 cubic inches would be around 453.7 feet tall.

Recreational maths with 161389256704

• 161389256704 backwards is 407652983161
• 161389256704 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161389256704's digits is 52
• More coming soon!