161404516672

Names of 161404516672

• Cardinal: 161404516672 can be written as One hundred sixty-one billion, four hundred four million, five hundred sixteen thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.61404516672 × 10¹¹

Factors of 161404516672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1133

Divisors of 161404516672

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 49 56 62 64 98 112 124 196 217 224 248 343 392 434 448 496 686 784 868 961 992 1093 1372 1519 1568 1736 1922 1984 2186 2401 2744 3038 3136 3472 3844 4372 4802 5488 6076 6727 6944 7651 7688 8744 9604 10633 10976 12152 13454 13888 15302 15376 17488 19208 21266 21952 24304 26908 30604 30752 33883 34976 38416 42532 47089 48608 53557 53816 61208 61504 67766 69952 74431 76832 85064 94178 97216 107114 107632 122416 135532 148862 153664 170128 188356 214228 215264 237181 244832 271064 297724 329623 340256 374899 376712 428456 430528 474362 489664 542128 595448 659246 680512 749798 753424 856912 948724 1050373 1084256 1190896 1318492 1499596 1506848 1660267 1713824 1897448 2100746 2168512 2307361 2381792 2624293 2636984 2999192 3013696 3320534 3427648 3794896 4201492 4614722 4763584 5248586 5273968 5998384 6641068 7352611 7589792 8402984 9229444 10497172 10547936 11621869 11996768 13282136 14705222 15179584 16805968 18458888 20994344 21095872 23243738 23993536 26564272 29410444 33611936 36917776 41988688 46487476 51468277 53128544 58820888 67223872 73835552 81353083 83977376 92974952 102936554 106257088 117641776 147671104 162706166 167954752 185949904 205873108 235283552 325412332 360277939 371899808 411746216 470567104 650824664 720555878 743799616 823492432 1301649328 1441111756 1646984864 2521945573 2603298656 2882223512 3293969728 5043891146 5206597312 5764447024 10087782292 11528894048 20175564584 23057788096 40351129168 80702258336 161404516672
• Sum of all divisors σ(n): 386441180634
• Sum of proper divisors (its aliquot sum) s(n): 225036663962
• 161404516672 is an abundant number, because the sum of its proper divisors (225036663962) is greater than itself. Its abundance is 63632147290

Bases of 161404516672

• Binary: 10010110010100011101010111100101000000₂
• Hexadecimal: 0x2594757940
• Base-36: 225C2Y4G

Squares and roots of 161404516672

• 161404516672 squared (161404516672²) is 26051418002121925955584
• 161404516672 cubed (161404516672³) is 4204816531252729329274807259496448
• The square root of 161404516672 is 401751.8097930611
• The cube root of 161404516672 is 5444.6741639369

Scales and comparisons

• 161,404,516,672 seconds is equal to 5,132 years, 8 weeks, 3 days, 19 hours, 57 minutes, 52 seconds.
• To count from 1 to 161,404,516,672 would take you about ten thousand, two hundred sixty-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 161404516672 cubic inches would be around 453.7 feet tall.

Recreational maths with 161404516672

• 161404516672 backwards is 276615404161
• The number of decimal digits it has is: 12
• The sum of 161404516672's digits is 43
• More coming soon!